Today's Message Index:
----------------------
1. 07:26 AM - Re: Nuclear waste and Us vs. the Government (was: Radium) [some of you will want to hit delete now] (Valkyre1)
2. 07:26 AM - Useful VFR Maps Site (David McGirt)
3. 07:36 AM - Re: Radium (Valkyre1)
4. 07:55 AM - Re: Useful VFR Maps Site (Tim Gagnon)
5. 08:22 AM - Re: Nuclear waste and Us vs. the Government (was: Radium) [some of you will want to hit delete now] (Brian Lloyd)
6. 09:12 AM - Re: Going after overzealous Feds (Jon Boede)
7. 03:27 PM - Re: Iris Instead of Grills (Bitterlich GS11 Mark G)
8. 04:23 PM - Re: Iris Instead of Grills (Ernest Martinez)
9. 04:42 PM - Re: Going after overzealous Feds (Brian Lloyd)
10. 05:12 PM - Re: Iris Instead of Grills (A. Dennis Savarese)
11. 05:30 PM - Re: Going after overzealous Feds (John W. Cox)
12. 05:55 PM - Re: Iris Instead of Grills (A. Dennis Savarese)
13. 06:20 PM - Re: Iris Instead of Grills (cjpilot710@aol.com)
14. 07:34 PM - gear problem (Terry Lewis)
15. 08:48 PM - Cliff Umscheid? Are you there? (Tom Johnson)
16. 10:51 PM - Re: gear problem (Walter Lannon)
Message 1
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| Subject: | Re: Nuclear waste and Us vs. the Government (was: Radium) [some |
of you will want to hit delete now]
O.K. Brian, in the interest of the sanity of the other Yakkers reading this list,
I'm only going to clarify one more thing; er, allright, two..
Martial arts are good (I did TaeKwanDo myself) but it is hard to beat a
good blaster at your side when you want to "reach out and touch
someone." (This reminds me of that scene in "Raiders of the Lost Ark"
where Indiana Jones is confronted by a scimitar-wielding martial-arts
expert and he dispatches his adversary with his revolver.)
Brian, did I hear you wrong? - That's what FFDOs are trained to do. We carry and
use guns in the cockpit when appropriate. Thank you for the lessons in nuclear
waste. Knowledge is good.
"Valkyre out" and nope, I still don't owe a steak dinner yet, not until someone
starts viably turning that stuff back into safe energy." (Gasp.)
Y'all take care out there - Val
Message 2
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| Subject: | Useful VFR Maps Site |
Here is a link to an interesting VFR Sectional site ran across,
http://skyvector.com/
Message 3
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Yep, and the self appointed representative of the Goshutes who negotiated
this with the Energy Conglomerate is now up on Corruption Charges for taking huge
kickbacks.
The Goshutes are getting very little. You are right about Yucca Valley. Another
worry is this sites close proximity to all of the other biological and chemical
warfare wastes that are also stored out there.
Ah well, if it isn't hurricanes, tornadoes, earthquakes and floods it's always
something somewhere. Let's just forgeddaboudditt and go fly. ( I mean it.)
- Val
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| Subject: | Re: Useful VFR Maps Site |
--> Yak-List message posted by: "Tim Gagnon" <NiftyYak50@msn.com>
You may have to put the www. in front of it. Try this:
http://www.skyvector.com/
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=8161#8161
Message 5
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| Subject: | Re: Nuclear waste and Us vs. the Government (was: Radium) |
[some of you will want to hit delete now]
--> Yak-List message posted by: Brian Lloyd <brian-yak@lloyd.com>
Valkyre1 wrote:
> O.K. Brian, in the interest of the sanity of the other Yakkers reading
> this list, I'm only going to clarify one more thing; er, allright, two..
>
> Martial arts are good (I did TaeKwanDo myself) but it is hard to beat a
> good blaster at your side when you want to "reach out and touch
> someone." (This reminds me of that scene in "Raiders of the Lost Ark"
> where Indiana Jones is confronted by a scimitar-wielding martial-arts
> expert and he dispatches his adversary with his revolver.)
>
> Brian, did I hear you wrong? - That's what FFDOs are trained to do. We
> carry and use guns in the cockpit when appropriate. Thank you for the
> lessons in nuclear waste. Knowledge is good.
Ah, good. I misunderstood. I thought you were implying that you planned
to kick-ass on the bad guys with your own two hands (and feet).
I like my clunky old 1911A1 but it is a bit large for concealed carry.
OTOH, you can just keep it in your flight bag and then just carry at the
ready in case you have to go aft.
What do they have you using to prevent overpenetration? I use hydra
shock but was thinking that a very high velocity frangible plastic
bullet would be good in the cabin of an aircraft.
> "Valkyre out" and nope, I still don't owe a steak dinner yet, not until
> someone starts viably turning that stuff back into safe energy." (Gasp.)
Gonna renege, eh? Well, in that case, yes, you *do* owe me a steak
dinner right now. Here is a good article from that bastion of liberal
nuclear power haters, PBS:
http://www.pbs.org/wgbh/pages/frontline/shows/reaction/readings/french.html
In there it says:
"French technocrats had never thought that the waste issue would be much
of a problem. From the beginning the French had been recycling their
nuclear waste, reclaiming the plutonium and unused uranium and
fabricating new fuel elements. This not only gave energy, it reduced the
volume and longevity of French radioactive waste. The volume of the
ultimate high-level waste was indeed very small: the contribution of a
family of four using electricity for 20 years is a glass cylinder the
size of a cigarette lighter. It was assumed that this high-level waste
would be buried in underground geological storage and in the 80s French
engineers began digging exploratory holes in France's rural regions."
So, yup, there is a nuclear power program that recycles the nuclear
waste into new fuel to power their reactors today. Now.
So ... <drum roll please>
Where are you taking me for our steak dinner date? Hmm?
OK, guys, you heard her. Support me on this.
;-)
> Y'all take care out there - Val
Oh yeah, I will. I have to collect on that steak dinner. Mmmm, onion
rings, baked potato, Caesar salad, maybe broccoli with cheese sauce, and
a big old hot-fudge sundae for dessert.
--
Brian Lloyd 361 Catterline Way
brian-yak at lloyd dot com Folsom, CA 95630
+1.916.367.2131 (voice) +1.270.912.0788 (fax)
I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery
Message 6
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| Subject: | Re: Going after overzealous Feds |
--> Yak-List message posted by: "Jon Boede" <jon@email.net>
I have a friend who's a police officer and a politician and he's been sued
under this statute for political reasons. It should be very effective in
dealing with FAA types according to my friend because:
a) You sue the person individually, which costs them money to respond. If
nothing else, this substantially tempers their behavior in the future.
b) They discover that their agency has zero, or possibly negative, loyalty
to them -- everybody around them scatters, ducks and covers. It reminds
everybody else that once they're one silly millimeter outside their
authority that they're no longer a representative of the FAA, but all
alone in a big field.
c) The suit is resolved in a court typically far outside the influence of
the FAA ... which typically lets a lot of bright sunshine into the
situation, and we all know what a brutal experience that can be for
creatures of the night. :-)
Jon
> --> Yak-List message posted by: Brian Lloyd <brian-yak@lloyd.com>
>
> OK, there was talk about how to protect ourselves from overzealous
> governmental officials. As I read it, the law that protects us and makes
> it unlawful for a government agent to deprive us of our rights "under
> color of law" is Title 18, U.S.C., Section 242, "Deprivation of Rights
> Under Color of Law".
>
> The FBI web site
>
> (http://www.fbi.gov/hq/cid/civilrights/statutes.htm#section242)
>
> says this about the law:
>
> "This statute makes it a crime for any person acting under color of law,
> statute, ordinance, regulation, or custom to willfully deprive or cause
> to be deprived from any person those rights, privileges, or immunities
> secured or protected by the Constitution and laws of the U.S.
>
> This law further prohibits a person acting under color of law, statute,
> ordinance, regulation or custom to willfully subject or cause to be
> subjected any person to different punishments, pains, or penalties, than
> those prescribed for punishment of citizens on account of such person
> being an alien or by reason of his/her color or race.
>
> Acts under "color of any law" include acts not only done by federal,
> state, or local officials within the bounds or limits of their lawful
> authority, but also acts done without and beyond the bounds of their
> lawful authority; provided that, in order for unlawful acts of any
> official to be done under "color of any law," the unlawful acts must be
> done while such official is purporting or pretending to act in the
> performance of his/her official duties. This definition includes, in
> addition to law enforcement officials, individuals such as Mayors,
> Council persons, Judges, Nursing Home Proprietors, Security Guards,
> etc., persons who are bound by laws, statutes ordinances, or customs.
>
> Punishment varies from a fine or imprisonment of up to one year, or
> both, and if bodily injury results or if such acts include the use,
> attempted use, or threatened use of a dangerous weapon, explosives, or
> fire shall be fined or imprisoned up to ten years or both, and if death
> results, or if such acts include kidnapping or an attempt to kidnap,
> aggravated sexual abuse or an attempt to commit aggravated sexual abuse,
> or an attempt to kill, shall be fined under this title, or imprisoned
> for any term of years or for life, or both, or may be sentenced to death."
>
> The key phrase here is in the third paragraph where it states, "...but
> also acts done without and beyond the bounds of their lawful authority..."
>
> The problem one is going to face in court is to get the court to agree
> that the federal agent has overstepped his/her bounds when the
> definitions and limits are not clearly defined. He/she could argue that
> they are operating on good-faith and being conservative in the
> interpretation in order to protect the public welfare. Given that almost
> no one understands radioactivity and a large portion of the population
> reacts in a mindless panic when radioactivity is mentioned, it is going
> to be darned difficult to get a conviction on this basis.
>
> OTOH, if one can make a big enough stink, bureaucratic agencies have
> been known to throw their own to the wolves to save the skin of the rest
> of the people involved. (Example: FBI agent Lon Horiuchi in the Ruby
> Ridge shootings.) If you can make this happen enough times perhaps
> government employees will start to run for cover and try not to stick
> their necks out. That might result in them leaving us alone.
>
> Regardless, this is a very difficult problem. We are reaching a point
> where we are going to have to seriously fight back or give in forever.
> My belief is that appeasement does not work. Neither does "staying under
> the RADAR."
>
> But that is just my opinion.
>
> I wonder if we can somehow get them declared as terrorists. That would
> simplify things a LOT.
>
> --
> Brian Lloyd 2243 Cattle Dr.
> brian-yak at lloyd dot com Folsom, CA 95630
> +1.916.367.2131 (voice) +1.270.912.0788 (fax)
>
> I fly because it releases my mind from the tyranny of petty things . . .
> - Antoine de Saint-Exupery
>
>
Message 7
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| Subject: | Iris Instead of Grills |
Hello Mark,
This is ANOTHER "Mark" so this is bound to get confusing. Tim mentioned my
experience in regard to flying without gills, so I thought I would bring my
experiences in this regard to light.
There have been a number of people who have replaced the gill system with
the IRIS system, and the conversion is fairly simple. One thing to keep in
mind is that there are two different types of systems for controlling the
IRIS. The original system found on most Sukhoi 26's and their ilk used two
cables in semi hard tubes that each fed to a round wheel on the IRIS itself.
In the cockpit there is a control LEVER that pulls on one cable at a time...
obviously as you pull on one cable (and put it into tension) the other moves
backwards and is slack and at that point the wheel on the IRIS pulls keeping
it taught. Just picture two cables attached 180 degrees apart to the outer
rim of a wheel and you'll get the picture.
The newer method (and more preferable by far) is found on the newer SU-31's,
and uses a HARD TUBE PUSH/PULL ROD very close to what controls the original
YAK prop and gills. If you get the NEWER IRIS, you should be able to use
the existing YAK control that comes on the aircraft that used to control
your gills.
Ok, now the bad news.
My YAK-50 came with the Les Crowder big spinner mod. (I mean as in HUGE..
looks good though, and I have been told that this is really a YAK-18T
spinner, but I don't know for sure). Anyway, this mod required all the
gills to be removed.
So, when I originally bought the aircraft, it had 110 hours on it since new,
and away I went... no gills, no problem, who cares anyway?
After about 150 additional hours or so, I started getting all sorts of
cracking on the cowling leading edges. Then the hollow tubes that the front
of the top and bottom cowling are riveted to, started cracking too. This
problem became more serious as time went on, because at the same time, the
little red tubes/struts that hold the cowl MOUNTING ring in place started to
crack and break TOO! These are the little adjustable things that bolt to
the front of each cylinder and go straight out to the cowl mounting ring.
At the time, I could not imagine what was causing all this. When my cowl
was closed, it closed fairly firmly on the front cowl ring I just described
above. I thought this might be the problem so I loosened everything up.
Wrong Answer. The problem got worse.
I put soft fabric material between the mounting ring and the cowl ring....
this helped a little, but it could still easily be seen that things were
just vibrating too darn much. I might also mention that my two bladed prop
was also out of balance quite a bit. Balanced the prop.... and that helped,
but did not STOP the problem.
I then got the chance to study a YAK-52 up close and personal, and could see
that those gills added quite a lot of support to that front cowl ring. So,
I made four adjustable struts out of stainless steel tubing.... identical in
design and function to the ones coming straight out from the cylinder
attachment points, but for these... I ran them out from the front of the
engine supercharger cover (using the same mounting studs that the IRIS would
attach to) HORIZONTALLY to the front cowl ring. Four of them, one every 90
degrees. These acted like spokes on a wheel, and gave back the support that
the original gills had.
Result? Problem cured. No more cowling damage... problem is 100% FIXED.
This leads me to advise AGAINST putting an IRIS system on a YAK-50/52,
UNLESS you also take additional steps to support that front cowl ring.
There are a lot of other factors involved here... such as: "What condition
are your engine mounting rubbers in?" Bottom line, the front of the cowls
MUST MOVE WITH THE ENGINE, and if you take out the gills, you basically have
a situation best pictured by imagining a person holding a HULA-HOOP out in
front of himself with outstretched arms. Then picture something/ANYTHING,
"hanging from the hula-hoop itself"... you can see, there just is not any
structural strength in that kind of assembly. Put the gills in, and mount
the gills to the engine itself, and you can see that the above picture
regains all of its strength.
By the bye, this is yet another reason to keep those leather mounting pads
in good condition that are located on the engine itself. These ALSO provide
quite an amount of structural support to the whole upper and lower cowl.
Sorry for the long post, but the details were needed in my opinion.
Mark Bitterlich
N50YK
Here are some other interesting things that I learned the hard way about...
last week!
p.s. Another tid bit for the YAK list. The YAK-52/50/55 and the
Sukhoi-26/29/31 AND the CJ-6, all use the exact same piston in the
air-compressor relief valve. This piston and seal are what you adjust to
control the peak pressure in your air system in the aircraft. Doug Sapp
sells the whole assy. for the CJ.... and you can take it right apart, take
out the piston and spring (and locking nut) and put the whole mess into your
YAK, if you want to do that instead of repair what you have with a new
rubber bushing. Here's the TID BIT: The YAK-52W (and I am GUESSING the
YAK-52TW as well) has a DIFFERENT PISTON in the pressure relief assy. It is
slightly BIGGER and is NOT a direct replacement with all the others
mentioned earlier. Why not? Go figure.
p.p.s. YAK-52W guys... did you know that there is an emergency pressure
relief valve behind the seat that allows you to eliminate emergency air
pressure to the landing gear without having to crack fittings and jack and
cycle the gear, if you ever do happen to open the emergency bottle valve?
p.p.p.s. For those aircraft with the manual engine starting valves (YAK-55,
Sukhoi's) be aware that the rubber replacement tab for the starter valve
MUST have a whole cut in the middle of it. Ignore that fact, and the lever
will work a few times and then fail forever. Trust me on this and save
yourself a lot of head scratching.
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Mark Sorenson
Sent: Saturday, January 28, 2006 10:10 AM
Subject: Yak-List: Iris Instead of Grills
--> Yak-List message posted by: Mark Sorenson <marksorenson@sprintpcs.com>
Hello all,
Can anyone tell me if it is practical to replace the grills on the front of
my Yak with an Iris type grill. Thanks.
------------------
Best Regards,
Mark-
678-GO-FLY-HI
--------------------
This message was sent from a Sprint PCS Phone.
Get a Sprint PCS Wireless Mail account!
Sign up via the Wireless Web Browser on your Sprint PCS Phone
or at http://www.sprintpcs.com.
Message 8
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| Subject: | Re: Iris Instead of Grills |
--> Yak-List message posted by: Ernest Martinez <erniel29@gmail.com>
do not archive
Dont apologize, thank goodness for Yak/CJ related posts
On 1/30/06, Bitterlich GS11 Mark G <BitterlichMG@cherrypoint.usmc.mil> wrote:
>
>
> Hello Mark,
>
> This is ANOTHER "Mark" so this is bound to get confusing. Tim mentioned my
> experience in regard to flying without gills, so I thought I would bring my
> experiences in this regard to light.
>
> There have been a number of people who have replaced the gill system with
> the IRIS system, and the conversion is fairly simple. One thing to keep in
> mind is that there are two different types of systems for controlling the
> IRIS. The original system found on most Sukhoi 26's and their ilk used two
> cables in semi hard tubes that each fed to a round wheel on the IRIS itself.
> In the cockpit there is a control LEVER that pulls on one cable at a
> time... obviously as you pull on one cable (and put it into tension) the
> other moves backwards and is slack and at that point the wheel on the IRIS
> pulls keeping it taught. Just picture two cables attached 180 degrees
> apart to the outer rim of a wheel and you'll get the picture.
>
> The newer method (and more preferable by far) is found on the newer SU-31's,
> and uses a HARD TUBE PUSH/PULL ROD very close to what controls the original
> YAK prop and gills. If you get the NEWER IRIS, you should be able to use
> the existing YAK control that comes on the aircraft that used to control
> your gills.
>
> Ok, now the bad news.
>
> My YAK-50 came with the Les Crowder big spinner mod. (I mean as in HUGE..
> looks good though, and I have been told that this is really a YAK-18T
> spinner, but I don't know for sure). Anyway, this mod required all the
> gills to be removed.
>
> So, when I originally bought the aircraft, it had 110 hours on it since new,
> and away I went... no gills, no problem, who cares anyway?
>
> After about 150 additional hours or so, I started getting all sorts of
> cracking on the cowling leading edges. Then the hollow tubes that the front
> of the top and bottom cowling are riveted to, started cracking too. This
> problem became more serious as time went on, because at the same time, the
> little red tubes/struts that hold the cowl MOUNTING ring in place started to
> crack and break TOO! These are the little adjustable things that bolt to
> the front of each cylinder and go straight out to the cowl mounting ring.
>
> At the time, I could not imagine what was causing all this. When my cowl
> was closed, it closed fairly firmly on the front cowl ring I just described
> above. I thought this might be the problem so I loosened everything up.
> Wrong Answer. The problem got worse.
>
> I put soft fabric material between the mounting ring and the cowl ring....
> this helped a little, but it could still easily be seen that things were
> just vibrating too darn much. I might also mention that my two bladed prop
> was also out of balance quite a bit. Balanced the prop.... and that helped,
> but did not STOP the problem.
>
> I then got the chance to study a YAK-52 up close and personal, and could see
> that those gills added quite a lot of support to that front cowl ring. So,
> I made four adjustable struts out of stainless steel tubing.... identical in
> design and function to the ones coming straight out from the cylinder
> attachment points, but for these... I ran them out from the front of the
> engine supercharger cover (using the same mounting studs that the IRIS would
> attach to) HORIZONTALLY to the front cowl ring. Four of them, one every 90
> degrees. These acted like spokes on a wheel, and gave back the support that
> the original gills had.
>
> Result? Problem cured. No more cowling damage... problem is 100% FIXED.
>
> This leads me to advise AGAINST putting an IRIS system on a YAK-50/52,
> UNLESS you also take additional steps to support that front cowl ring.
> There are a lot of other factors involved here... such as: "What condition
> are your engine mounting rubbers in?" Bottom line, the front of the cowls
> MUST MOVE WITH THE ENGINE, and if you take out the gills, you basically have
> a situation best pictured by imagining a person holding a HULA-HOOP out in
> front of himself with outstretched arms. Then picture something/ANYTHING,
> "hanging from the hula-hoop itself"... you can see, there just is not any
> structural strength in that kind of assembly. Put the gills in, and mount
> the gills to the engine itself, and you can see that the above picture
> regains all of its strength.
>
> By the bye, this is yet another reason to keep those leather mounting pads
> in good condition that are located on the engine itself. These ALSO provide
> quite an amount of structural support to the whole upper and lower cowl.
>
> Sorry for the long post, but the details were needed in my opinion.
>
> Mark Bitterlich
> N50YK
>
> Here are some other interesting things that I learned the hard way about...
> last week!
>
> p.s. Another tid bit for the YAK list. The YAK-52/50/55 and the
> Sukhoi-26/29/31 AND the CJ-6, all use the exact same piston in the
> air-compressor relief valve. This piston and seal are what you adjust to
> control the peak pressure in your air system in the aircraft. Doug Sapp
> sells the whole assy. for the CJ.... and you can take it right apart, take
> out the piston and spring (and locking nut) and put the whole mess into your
> YAK, if you want to do that instead of repair what you have with a new
> rubber bushing. Here's the TID BIT: The YAK-52W (and I am GUESSING the
> YAK-52TW as well) has a DIFFERENT PISTON in the pressure relief assy. It is
> slightly BIGGER and is NOT a direct replacement with all the others
> mentioned earlier. Why not? Go figure.
>
> p.p.s. YAK-52W guys... did you know that there is an emergency pressure
> relief valve behind the seat that allows you to eliminate emergency air
> pressure to the landing gear without having to crack fittings and jack and
> cycle the gear, if you ever do happen to open the emergency bottle valve?
>
> p.p.p.s. For those aircraft with the manual engine starting valves (YAK-55,
> Sukhoi's) be aware that the rubber replacement tab for the starter valve
> MUST have a whole cut in the middle of it. Ignore that fact, and the lever
> will work a few times and then fail forever. Trust me on this and save
> yourself a lot of head scratching.
>
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com]On Behalf Of
> Mark Sorenson
> Sent: Saturday, January 28, 2006 10:10 AM
> To: yak-list@matronics.com
> Subject: Yak-List: Iris Instead of Grills
>
>
> --> Yak-List message posted by: Mark Sorenson <marksorenson@sprintpcs.com>
>
> Hello all,
>
> Can anyone tell me if it is practical to replace the grills on the front of
> my Yak with an Iris type grill. Thanks.
> ------------------
> Best Regards,
> Mark-
> 678-GO-FLY-HI
> --------------------
> This message was sent from a Sprint PCS Phone.
> Get a Sprint PCS Wireless Mail account!
> Sign up via the Wireless Web Browser on your Sprint PCS Phone
> or at http://www.sprintpcs.com.
>
>
> browse Subscriptions page, Chat, FAQ,
> "
> TARGET="_blank">http://
www.matronics.com/Navigator?Yak-List
>
> support!
> "
> TARGET="_blank">http://www.matronics.com/contribution
>
>
Message 9
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| Subject: | Re: Going after overzealous Feds |
--> Yak-List message posted by: Brian Lloyd <brian-yak@lloyd.com>
Jon Boede wrote:
> --> Yak-List message posted by: "Jon Boede" <jon@email.net>
>
> I have a friend who's a police officer and a politician and he's been sued
> under this statute for political reasons. It should be very effective in
> dealing with FAA types according to my friend because:
How do you sue under this? It is a criminal statute, not a civil
statute. You can bring him up under charges but I can see how you can sue.
> a) You sue the person individually, which costs them money to respond. If
> nothing else, this substantially tempers their behavior in the future.
>
> b) They discover that their agency has zero, or possibly negative, loyalty
> to them -- everybody around them scatters, ducks and covers. It reminds
> everybody else that once they're one silly millimeter outside their
> authority that they're no longer a representative of the FAA, but all
> alone in a big field.
>
> c) The suit is resolved in a court typically far outside the influence of
> the FAA ... which typically lets a lot of bright sunshine into the
> situation, and we all know what a brutal experience that can be for
> creatures of the night. :-)
That is a good point. So, how was the district attorney convinced to
bring charges? Ah, politics.
--
Brian Lloyd 361 Catterline Way
brian-yak at lloyd dot com Folsom, CA 95630
+1.916.367.2131 (voice) +1.270.912.0788 (fax)
I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery
Message 10
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| Subject: | Re: Iris Instead of Grills |
RE: Yak-List: Iris Instead of GrillsMark B,
The Les Crowder spinner is purely a Les Crowder spinner and is not an 18T spinner.
The 18T spinner retains the original cooling louvers. Here's a photo of
an 18T with spinner.
Dennis
----- Original Message -----
From: Bitterlich GS11 Mark G
To: 'yak-list@matronics.com'
Sent: Monday, January 30, 2006 5:22 PM
Subject: RE: Yak-List: Iris Instead of Grills
Hello Mark,
This is ANOTHER "Mark" so this is bound to get confusing. Tim mentioned my experience
in regard to flying without gills, so I thought I would bring my experiences
in this regard to light.
There have been a number of people who have replaced the gill system with the
IRIS system, and the conversion is fairly simple. One thing to keep in mind
is that there are two different types of systems for controlling the IRIS. The
original system found on most Sukhoi 26's and their ilk used two cables in semi
hard tubes that each fed to a round wheel on the IRIS itself. In the cockpit
there is a control LEVER that pulls on one cable at a time... obviously as
you pull on one cable (and put it into tension) the other moves backwards and
is slack and at that point the wheel on the IRIS pulls keeping it taught. Just
picture two cables attached 180 degrees apart to the outer rim of a wheel
and you'll get the picture.
The newer method (and more preferable by far) is found on the newer SU-31's,
and uses a HARD TUBE PUSH/PULL ROD very close to what controls the original YAK
prop and gills. If you get the NEWER IRIS, you should be able to use the existing
YAK control that comes on the aircraft that used to control your gills.
Ok, now the bad news.
My YAK-50 came with the Les Crowder big spinner mod. (I mean as in HUGE.. looks
good though, and I have been told that this is really a YAK-18T spinner, but
I don't know for sure). Anyway, this mod required all the gills to be removed.
So, when I originally bought the aircraft, it had 110 hours on it since new,
and away I went... no gills, no problem, who cares anyway?
After about 150 additional hours or so, I started getting all sorts of cracking
on the cowling leading edges. Then the hollow tubes that the front of the
top and bottom cowling are riveted to, started cracking too. This problem became
more serious as time went on, because at the same time, the little red tubes/struts
that hold the cowl MOUNTING ring in place started to crack and break
TOO! These are the little adjustable things that bolt to the front of each cylinder
and go straight out to the cowl mounting ring.
At the time, I could not imagine what was causing all this. When my cowl was
closed, it closed fairly firmly on the front cowl ring I just described above.
I thought this might be the problem so I loosened everything up. Wrong Answer.
The problem got worse.
I put soft fabric material between the mounting ring and the cowl ring.... this
helped a little, but it could still easily be seen that things were just vibrating
too darn much. I might also mention that my two bladed prop was also
out of balance quite a bit. Balanced the prop.... and that helped, but did not
STOP the problem.
I then got the chance to study a YAK-52 up close and personal, and could see
that those gills added quite a lot of support to that front cowl ring. So, I
made four adjustable struts out of stainless steel tubing.... identical in design
and function to the ones coming straight out from the cylinder attachment
points, but for these... I ran them out from the front of the engine supercharger
cover (using the same mounting studs that the IRIS would attach to) HORIZONTALLY
to the front cowl ring. Four of them, one every 90 degrees. These acted
like spokes on a wheel, and gave back the support that the original gills had.
Result? Problem cured. No more cowling damage... problem is 100% FIXED.
This leads me to advise AGAINST putting an IRIS system on a YAK-50/52, UNLESS
you also take additional steps to support that front cowl ring. There are a
lot of other factors involved here... such as: "What condition are your engine
mounting rubbers in?" Bottom line, the front of the cowls MUST MOVE WITH THE
ENGINE, and if you take out the gills, you basically have a situation best pictured
by imagining a person holding a HULA-HOOP out in front of himself with
outstretched arms. Then picture something/ANYTHING, "hanging from the hula-hoop
itself"... you can see, there just is not any structural strength in that kind
of assembly. Put the gills in, and mount the gills to the engine itself,
and you can see that the above picture regains all of its strength.
By the bye, this is yet another reason to keep those leather mounting pads in
good condition that are located on the engine itself. These ALSO provide quite
an amount of structural support to the whole upper and lower cowl.
Sorry for the long post, but the details were needed in my opinion.
Mark Bitterlich
N50YK
Here are some other interesting things that I learned the hard way about... last
week!
p.s. Another tid bit for the YAK list. The YAK-52/50/55 and the Sukhoi-26/29/31
AND the CJ-6, all use the exact same piston in the air-compressor relief
valve. This piston and seal are what you adjust to control the peak pressure
in your air system in the aircraft. Doug Sapp sells the whole assy. for the CJ....
and you can take it right apart, take out the piston and spring (and locking
nut) and put the whole mess into your YAK, if you want to do that instead
of repair what you have with a new rubber bushing. Here's the TID BIT: The
YAK-52W (and I am GUESSING the YAK-52TW as well) has a DIFFERENT PISTON in the
pressure relief assy. It is slightly BIGGER and is NOT a direct replacement
with all the others mentioned earlier. Why not? Go figure.
p.p.s. YAK-52W guys... did you know that there is an emergency pressure relief
valve behind the seat that allows you to eliminate emergency air pressure to
the landing gear without having to crack fittings and jack and cycle the gear,
if you ever do happen to open the emergency bottle valve?
p.p.p.s. For those aircraft with the manual engine starting valves (YAK-55,
Sukhoi's) be aware that the rubber replacement tab for the starter valve MUST
have a whole cut in the middle of it. Ignore that fact, and the lever will work
a few times and then fail forever. Trust me on this and save yourself a lot
of head scratching.
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Mark Sorenson
Sent: Saturday, January 28, 2006 10:10 AM
To: yak-list@matronics.com
Subject: Yak-List: Iris Instead of Grills
--> Yak-List message posted by: Mark Sorenson <marksorenson@sprintpcs.com>
Hello all,
Can anyone tell me if it is practical to replace the grills on the front of my
Yak with an Iris type grill. Thanks.
------------------
Best Regards,
Mark-
678-GO-FLY-HI
--------------------
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Message 11
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| Subject: | Going after overzealous Feds |
--> Yak-List message posted by: "John W. Cox" <johnwcox@pacificnw.com>
A most effective method is known as "Congressionalizing". Turns out a
formal written request of a Senator or Congressman must trigger a formal
internal investigation of the offending agency and its agent. Regardless
of which Federal Agency focused on, the launching of such a claim can
block an individual employee's advancement or more. The thought of such
action will alone stop many overzealous feds in their tracks.
Two of my friends were involved. One was the citizen, the other an
Airworthiness Inspector at the local FSDO. Finding of the claim was
that the AI had overstepped his authority and misinterpreted the latest
ruling. It set his career path backwards 10 years. He moved to Europe.
Be sure you reference the facts to support your claim clearly to your
elected official. The case is not closed until the elected official is
comfortable the issue has been properly addressed. This is not a
maneuver that is publicly communicated.
You will get the government you deserve. It does not require money or
an attorney.
John Cox, former Designated Pilot Examiner
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Brian Lloyd
Sent: Monday, January 30, 2006 4:41 PM
Subject: Re: Yak-List: Going after overzealous Feds
--> Yak-List message posted by: Brian Lloyd <brian-yak@lloyd.com>
How do you sue under this? It is a criminal statute, not a civil
statute. You can bring him up under charges but I can see how you can
sue.
> a) You sue the person individually, which costs them money to respond.
If
> nothing else, this substantially tempers their behavior in the future.
>
> b) They discover that their agency has zero, or possibly negative,
loyalty
> to them -- everybody around them scatters, ducks and covers. It
reminds
> everybody else that once they're one silly millimeter outside their
> authority that they're no longer a representative of the FAA, but all
> alone in a big field.
>
> c) The suit is resolved in a court typically far outside the influence
of
> the FAA ... which typically lets a lot of bright sunshine into the
> situation, and we all know what a brutal experience that can be for
> creatures of the night. :-)
That is a good point. So, how was the district attorney convinced to
bring charges? Ah, politics.
--
Brian Lloyd 361 Catterline Way
brian-yak at lloyd dot com Folsom, CA 95630
+1.916.367.2131 (voice) +1.270.912.0788 (fax)
Message 12
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| Subject: | Re: Iris Instead of Grills |
RE: Yak-List: Iris Instead of GrillsMark,
You comment -
"YAK-52W guys... did you know that there is an emergency pressure relief valve
behind the seat that allows you to eliminate emergency air pressure to the landing
gear without having to crack fittings and jack and cycle the gear, if you
ever do happen to open the emergency bottle valve? ", this also applies to the
TW. However, regardless of the fact that you can depressurize the actuator
AND the shuttle valves by opening these bleed valves, a shuttle valve can stick
or not properly seal when the main air pressure is re-applied to the now depressurized
actuators and shuttle valves. Therefore it is a very good idea to
perform a normal gear retraction after any emergency gear system activation/operation,
including the depressurization. It's better to be safe than sorry.
Also, for those that did not know, the standard Yak 52, (which of course does not
have the additional bleed valve on the right side rear console like the W and
TW), you can discharge the air pressure in the actuators and shuttle valves
by squeezing and releasing the brake handle until all the air is depleted in
the actuators and shuttle valves as long as both the main and emergency air valves
are closed beforehand.
Dennis
----- Original Message -----
From: Bitterlich GS11 Mark G
To: 'yak-list@matronics.com'
Sent: Monday, January 30, 2006 5:22 PM
Subject: RE: Yak-List: Iris Instead of Grills
Hello Mark,
This is ANOTHER "Mark" so this is bound to get confusing. Tim mentioned my experience
in regard to flying without gills, so I thought I would bring my experiences
in this regard to light.
There have been a number of people who have replaced the gill system with the
IRIS system, and the conversion is fairly simple. One thing to keep in mind
is that there are two different types of systems for controlling the IRIS. The
original system found on most Sukhoi 26's and their ilk used two cables in semi
hard tubes that each fed to a round wheel on the IRIS itself. In the cockpit
there is a control LEVER that pulls on one cable at a time... obviously as
you pull on one cable (and put it into tension) the other moves backwards and
is slack and at that point the wheel on the IRIS pulls keeping it taught. Just
picture two cables attached 180 degrees apart to the outer rim of a wheel
and you'll get the picture.
The newer method (and more preferable by far) is found on the newer SU-31's,
and uses a HARD TUBE PUSH/PULL ROD very close to what controls the original YAK
prop and gills. If you get the NEWER IRIS, you should be able to use the existing
YAK control that comes on the aircraft that used to control your gills.
Ok, now the bad news.
My YAK-50 came with the Les Crowder big spinner mod. (I mean as in HUGE.. looks
good though, and I have been told that this is really a YAK-18T spinner, but
I don't know for sure). Anyway, this mod required all the gills to be removed.
So, when I originally bought the aircraft, it had 110 hours on it since new,
and away I went... no gills, no problem, who cares anyway?
After about 150 additional hours or so, I started getting all sorts of cracking
on the cowling leading edges. Then the hollow tubes that the front of the
top and bottom cowling are riveted to, started cracking too. This problem became
more serious as time went on, because at the same time, the little red tubes/struts
that hold the cowl MOUNTING ring in place started to crack and break
TOO! These are the little adjustable things that bolt to the front of each cylinder
and go straight out to the cowl mounting ring.
At the time, I could not imagine what was causing all this. When my cowl was
closed, it closed fairly firmly on the front cowl ring I just described above.
I thought this might be the problem so I loosened everything up. Wrong Answer.
The problem got worse.
I put soft fabric material between the mounting ring and the cowl ring.... this
helped a little, but it could still easily be seen that things were just vibrating
too darn much. I might also mention that my two bladed prop was also
out of balance quite a bit. Balanced the prop.... and that helped, but did not
STOP the problem.
I then got the chance to study a YAK-52 up close and personal, and could see
that those gills added quite a lot of support to that front cowl ring. So, I
made four adjustable struts out of stainless steel tubing.... identical in design
and function to the ones coming straight out from the cylinder attachment
points, but for these... I ran them out from the front of the engine supercharger
cover (using the same mounting studs that the IRIS would attach to) HORIZONTALLY
to the front cowl ring. Four of them, one every 90 degrees. These acted
like spokes on a wheel, and gave back the support that the original gills had.
Result? Problem cured. No more cowling damage... problem is 100% FIXED.
This leads me to advise AGAINST putting an IRIS system on a YAK-50/52, UNLESS
you also take additional steps to support that front cowl ring. There are a
lot of other factors involved here... such as: "What condition are your engine
mounting rubbers in?" Bottom line, the front of the cowls MUST MOVE WITH THE
ENGINE, and if you take out the gills, you basically have a situation best pictured
by imagining a person holding a HULA-HOOP out in front of himself with
outstretched arms. Then picture something/ANYTHING, "hanging from the hula-hoop
itself"... you can see, there just is not any structural strength in that kind
of assembly. Put the gills in, and mount the gills to the engine itself,
and you can see that the above picture regains all of its strength.
By the bye, this is yet another reason to keep those leather mounting pads in
good condition that are located on the engine itself. These ALSO provide quite
an amount of structural support to the whole upper and lower cowl.
Sorry for the long post, but the details were needed in my opinion.
Mark Bitterlich
N50YK
Here are some other interesting things that I learned the hard way about... last
week!
p.s. Another tid bit for the YAK list. The YAK-52/50/55 and the Sukhoi-26/29/31
AND the CJ-6, all use the exact same piston in the air-compressor relief
valve. This piston and seal are what you adjust to control the peak pressure
in your air system in the aircraft. Doug Sapp sells the whole assy. for the CJ....
and you can take it right apart, take out the piston and spring (and locking
nut) and put the whole mess into your YAK, if you want to do that instead
of repair what you have with a new rubber bushing. Here's the TID BIT: The
YAK-52W (and I am GUESSING the YAK-52TW as well) has a DIFFERENT PISTON in the
pressure relief assy. It is slightly BIGGER and is NOT a direct replacement
with all the others mentioned earlier. Why not? Go figure.
p.p.s. YAK-52W guys... did you know that there is an emergency pressure relief
valve behind the seat that allows you to eliminate emergency air pressure to
the landing gear without having to crack fittings and jack and cycle the gear,
if you ever do happen to open the emergency bottle valve?
p.p.p.s. For those aircraft with the manual engine starting valves (YAK-55,
Sukhoi's) be aware that the rubber replacement tab for the starter valve MUST
have a whole cut in the middle of it. Ignore that fact, and the lever will work
a few times and then fail forever. Trust me on this and save yourself a lot
of head scratching.
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Mark Sorenson
Sent: Saturday, January 28, 2006 10:10 AM
To: yak-list@matronics.com
Subject: Yak-List: Iris Instead of Grills
--> Yak-List message posted by: Mark Sorenson <marksorenson@sprintpcs.com>
Hello all,
Can anyone tell me if it is practical to replace the grills on the front of my
Yak with an Iris type grill. Thanks.
------------------
Best Regards,
Mark-
678-GO-FLY-HI
--------------------
This message was sent from a Sprint PCS Phone.
Get a Sprint PCS Wireless Mail account!
Sign up via the Wireless Web Browser on your Sprint PCS Phone
or at http://www.sprintpcs.com.
browse Subscriptions page, Chat, FAQ,
">http://www.matronics.com/Navigator?Yak-List
support!
">http://www.matronics.com/contribution
Message 13
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| Subject: | Re: Iris Instead of Grills |
I had iris on my CJ/ M14p for several years. I personally didn't like them.
I could never get the engine warm enough. Even full closed there was 1 to
1 1/4 inch gap opening.
They looked terrible unpainted so I painted them. Than the paint scraped
off while opening or closing them.
Also they rattled when curious folks would move them with their hands. They
sounded cheap and looked cheap.
I ended up buying a 55's system and totally rebuilt it. I made my own vanes
(.020 T-3 bent over and than cut to shape. Spot welded along the trailing
edge.) I had to weld up worn out holes in the outer ring and cam. I than
made a simple jig and re-drilled them. The only things original was the outer
ring, nose plate and cam. I've had mine on now well over 300 hours showing
minor wear.
Jim "Pappy" Goolsby
Message 14
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Has anyone seen this problem before?
The left main gear will not retract unless I go to neutral then pull the handle
up.
I have checked all of the shuttle valves in the left gear system.They
test OK. The actuator will extend at 45 psi when out of the aircraft with no leaks.
I changed the check valve on the firewall below the air filter that was
corroded. It needed to be changed but it was not a fix.I am running out of ideas.
I am thinking I have a blockage in the return of the extend pressure,however I
haven't found it yet.
Terry Lewis
Message 15
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| Subject: | Cliff Umscheid? Are you there? |
Cliff.
Been trying to get hold of you.
You said you would return the Landing Gear leg box I shipped you but I have
not heard from you in a few weeks.
Will you please let me know when I can pick up the box I sent you that I
borrowed from a friend and need to return to my friend.
The box isn't mine and I would appreciate if you would let me know when I
can send a truck to pick it up.
Thanks in advance for getting back to me.
Tj
---------------------------
Thomas Johnson
Airpower Insurance, LLC
36 West Ocotillo Road
Phoenix, AZ 85013-1235
Tel: 602-628-2701
Fax: 623-321-5843
E: tomjohnson@cox.net
Message 16
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| Subject: | Re: gear problem |
Terry;
Is this a CJ or 52?.
I assume a CJ but this part of the system is probably the same. The usual reason
for this problem is air pressure in the down side of the retract cylinder.
Could be internal leakage in the check valve (on the firewall) that stops the normal
system from pressurizing the emerg. system. Usually a corroded valve and
spring. But generally with this problem none of the gear would retract.
If that happens the pressure in the emergency system goes directly (not through
the gear control valves) to the down side of the actuators and will be trapped
there.
Easy to test.Remove the line to the emerg side, pressurize the main system and
check for air leakage at the emerg. port,
Also could be a failed seal inside the retract cylinder. With it on the bench and
in the gear up position is there any leakage from the down port with pressure
in the up side.
Also the possibility of a failing uplock release valve or it's associated emergency
diverter valve.
Good luck;
Walt
----- Original Message -----
From: Terry Lewis
To: yak-list@matronics.com
Sent: Monday, January 30, 2006 7:31 PM
Subject: Yak-List: gear problem
Has anyone seen this problem before?
The left main gear will not retract unless I go to neutral then pull the handle
up.
I have checked all of the shuttle valves in the left gear system.They
test OK. The actuator will extend at 45 psi when out of the aircraft with no
leaks. I changed the check valve on the firewall below the air filter that was
corroded. It needed to be changed but it was not a fix.I am running out of ideas.
I am thinking I have a blockage in the return of the extend pressure,however
I haven't found it yet.
Terry Lewis
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