Today's Message Index:
----------------------
1. 01:04 AM - Re: pneumatic cancer (lou dakos)
2. 06:08 AM - Re: Fuel pump failure (Cliff Coy)
3. 06:36 AM - Re: pneumatic cancer (Roger Kemp)
4. 09:39 AM - Re: pneumatic cancer (Doug Sapp)
5. 02:52 PM - Re: Re: Day to Day ops..... (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
6. 02:54 PM - Re: pneumatic cancer (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
7. 03:20 PM - Re: Re: Day to Day ops..... (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
8. 03:36 PM - Re: Fuel pump failure (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
9. 03:37 PM - Re: pneumatic cancer (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
10. 07:38 PM - Re: pneumatic cancer (Roger Kemp)
11. 07:43 PM - Re: Re: Day to Day ops..... (Roger Kemp)
12. 08:56 PM - Re: pneumatic cancer (Brian Lloyd)
13. 10:54 PM - Re: pneumatic cancer (Jon Boede)
Message 1
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Subject: | Re: pneumatic cancer |
Jon
I had the same problem as you and noticed a small puff of air on my hand as
I turned air on when I had a look inside valve it was not the best so I
have just replaced my master air valve and it has fixed the problem, the old
valve was working fine and went bad overnight.
Lou
Message 2
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Subject: | Re: Fuel pump failure |
Sure....how about July 2008? <grin>
Seriously, without an airplane in the hangar to do the first one, it'd
be silly of me to come up with complete system sitting at my computer.
After the three main components- the pump, the solenoid valve, and the
switch, it's all hose, tube, and fittings.
I'd Tee into manifold primer hose as it comes out of the firewall.
I'd use oil dilution hose for the system prime.
For safety issues and for ease of installation, I'd tee into the primer
feed line inside the cockpit and run it through the firewall to the
pump- mounted on the firewall with the solenoid valve.
Again this is all seat at the desk.....
Cheers,
Cliff
Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E wrote:
>
>Cliff! Would you make us a KIT? :-)
>
>Mark
>
>
>-----Original Message-----
>From: owner-yak-list-server@matronics.com
>[mailto:owner-yak-list-server@matronics.com] On Behalf Of Cliff Coy
>Sent: Saturday, October 13, 2007 23:38
>To: yak-list@matronics.com
>Subject: Re: Yak-List: Fuel pump failure
>
>
>After giving the matter a couple minutes of thought...
>You could tee a Facet 40194 pump into the supply of the hand primer.
> From the pump a line is plumbed to a Parker Skinner 71335SN2KNJ1
>three-way solenoid valve.
>
>Each outlet of the three way valve would be tee'd into the respective
>priming line (system or cylinder).
>
>This should be a parallel but independent system requiring no extra
>check valves. (leaves the manual system operable)
>
>Power would be supplied by a cole hersee 55094 or Philmore Datak 30-340
>Progressive Toggle Switch (OFF-ON-MOM ON).
>and wired such that in the regular "on" position the pump would
>pressurize the carburetor.
>
>The "momentary on" position would energize the solenoid valve to divert
>the fuel to the intake manifold.
>
>This would be a fun project. Parts would be about $200.
>
>Cheers,
>Cliff
>
>Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E wrote:
>
>
>
>>--> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>>
>>With a little thought and some minor tubing changes said pump could be
>>used to replace the complete primer ... Period.
>>
>>The replacement would just have a toggle selector valve (system or
>>prime) and an electric switch having "momentary/off/on contacts". This
>>would duplicate the exact design used with the BIG radials, and would
>>also act as the backup fuel pump.
>>
>>Better yet.... Include an electric selector valve in the design. When
>>you push the electric switch to the spring loaded off "momentary"
>>position, it primes. Switch it to the "ON" side and it provides system
>>pressure and thus a backup fuel pump.
>>
>>Of course, with a total loss of electric power, the engine would then
>>be very hard to start. But then, how many people really need to start
>>with a 100% total loss of electrical power? A few I guess.
>>
>>Interesting idea.
>>
>>Mark Bitterlich
>>N50YK
>>
>>
>>-----Original Message-----
>>From: owner-yak-list-server@matronics.com
>>[mailto:owner-yak-list-server@matronics.com] On Behalf Of Cliff Coy
>>Sent: Friday, October 12, 2007 17:31
>>To: yak-list@matronics.com
>>Subject: Re: Yak-List: Fuel pump failure
>>
>>
>>All of the 52TW's have an electric boost pump installed in parallel
>>with the "system" side of the primer.
>>I'd recommend using a 40194 pump- It has both a check valve and an
>>anti-siphon valve.
>>This will prevent any "loopback" through the electric pump.
>>
>>'spruce sells the 40194 (although they don't always show it in their
>>catalog)
>>
>>Cheers,
>>Cliff
>>
>>viperdoc wrote:
>>
>>
>>
>>
>>
>>>
>>>That is a GREAT IDEA that I had not thought of! Not that I have any
>>>corner on bright ideas. I don't! Especially since I ops tested the yes
>>>
>>>
>
>
>
>>>you can reassemble the fuel pump backwards!
>>>Thanks.
>>>Doc
>>>
>>>-----Original Message-----
>>>From: owner-yak-list-server@matronics.com
>>>[mailto:owner-yak-list-server@matronics.com] On Behalf Of Craig
>>>Schneider
>>>Sent: Thursday, October 11, 2007 2:48 PM
>>>To: yak-list@matronics.com
>>>Subject: RE: Yak-List: Fuel pump failure
>>>
>>>
>>>I have an electric boost pump. 28V facet mounted on the firewall, in
>>>fuel line before the engine driven fuel pump. Cheap investment Model
>>>40164 $42.60 at Aircraft Spruce
>>>
>>>Don't fly without one!
>>>
>>>-----Original Message-----
>>>From: owner-yak-list-server@matronics.com
>>>[mailto:owner-yak-list-server@matronics.com] On Behalf Of John Graham
>>>Sent: Thursday, October 11, 2007 1:19 PM
>>>To: Yak list
>>>Subject: Yak-List: Fuel pump failure
>>>
>>>
>>>If the engine driven fuel pump fails in flight, I have heard one can
>>>pump the primer lever rapidly to keep enough fuel going to the engine
>>>to keep it running long enough to land the plane. Is this true?
>>>Also,
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>>would one pump the handle after turning it to the left (fuel pressure)
>>>
>>>
>
>
>
>>>or right (fuel primer)?
>>>As always, thanks for your answers as I continue to learn about my Yak
>>>
>>>
>
>
>
>>>52.
>>>
>>>Thanks,
>>>
>>>John P. Graham
>>>CubFlyer1940@Yahoo.com
>>>Cell phone (847) 641-1330
>>>
>>>
>>>
>>>http://smallbusiness.yahoo.com/webhosting
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
>
Message 3
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Subject: | Re: pneumatic cancer |
moonshine or Tequila is clear also! Shine definately will clean that linseed oil
out of the system or clogg it up. Just depends on site and date of manufacture.
But seriouisly if you want to mix 50:50 gylcerine to ETOH, you can get 90% ethyl
alcohol for most pharamacies (Rite Aid has it over the counter).
Don't drink the ethyl alcohol please! You'll go blind!
Sic
Doc
-----Original Message-----
>From: "A. Dennis Savarese" <dsavarese@elmore.rr.com>
>Sent: Oct 15, 2007 9:12 PM
>To: yak-list@matronics.com
>Subject: Re: Yak-List: pneumatic cancer
>
>
>Smirnoff. It's clear. :-)
>Dennis
>
>
>----- Original Message -----
>From: "Walter Lannon" <wlannon@persona.ca>
>To: <yak-list@matronics.com>
>Sent: Monday, October 15, 2007 7:12 PM
>Subject: Re: Yak-List: pneumatic cancer
>
>
>>
>> Doug;
>>
>> If you use Kosher glycerine for the first 50%, what do you use for the
>> last 50? Jack Daniels or Glenlivet??
>>
>> Cheers;
>> Walt
>> ----- Original Message -----
>> From: "Doug Sapp" <rvfltd@televar.com>
>> To: <yak-list@matronics.com>
>> Sent: Monday, October 15, 2007 4:27 PM
>> Subject: Re: Yak-List: pneumatic cancer
>>
>>
>>>
>>> Guys,
>>> Glycerin is one of the items used in the preservation of flowers, I buy
>>> it in truckload quantities in 55 gallon drums (USP grade), so if anyone
>>> wants any just let me know. Heck, I even have a drum of Kosher glycerin
>>> which might be preferred by those of you who feel that it is important to
>>> have your air line lubricant blessed by a higher power than just your
>>> A&P. I use it....I need all the help I can get! ;o)
>>>
>>>
>>> Always Yakin,
>>> Doug
>>>
>>> A. Dennis Savarese wrote:
>>>
>>>> <dsavarese@elmore.rr.com>
>>>>
>>>> A 50-50 mixture of glycerin and alcohol is what is recommended.
>>>> Dennis
>>>>
>>>> ----- Original Message ----- From: "Jon Boede" <jonboede@hotmail.com>
>>>> To: <yak-list@matronics.com>
>>>> Sent: Monday, October 15, 2007 4:53 PM
>>>> Subject: RE: Yak-List: pneumatic cancer
>>>>
>>>>
>>>>>
>>>>> I know that people have used Freon detectors since they can be borrowed
>>>>> from any number of refrigeration / air-conditioning folks. I know that
>>>>> manical L-39 folks have gotten their nitrogen systems to hold for
>>>>> MONTHS by sniffing things out with a Freon detector.
>>>>>
>>>>> Alas, my problem is not so subtle. When I turn the main air valve on,
>>>>> my front flap valve and my back gear handle hiss noticably. :-(
>>>>>
>>>>> Oh well, as Brian points out, I'm embarassingly past all
>>>>> disassemble-and-clean intervals on my pneumatic system.
>>>>>
>>>>> Do I really want to fix things up with linseed oil? Anybody have a
>>>>> better suggestion that will be kind to all the seals in the system?
>>>>>
>>>>>
>>>>>> From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E"
>>>>>> <mark.bitterlich@navy.mil>
>>>>>> To: <yak-list@matronics.com>
>>>>>> Subject: RE: Yak-List: pneumatic cancer
>>>>>> Date: Mon, 15 Oct 2007 17:07:20 -0400
>>>>>>
>>>>>> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>>>>>>
>>>>>> Does anyone remember what types of sniff detectors are out there? It
>>>>>> seems to me that one time I saw a really hard to find leak in a
>>>>>> nitrogen
>>>>>> line.. They filled the tank with something like Argon, and then used
>>>>>> an
>>>>>> Argon sniff detector that could register detection in some really loss
>>>>>> part per million category. This thing could find the breath of an
>>>>>> ant... As long as the ant farted argon. That kind of device will find
>>>>>> the most smallest of leaks out there. I know they also make one for
>>>>>> Freon, but of course we can't pump that stuff into our tanks! This
>>>>>> might not be as difficult as it sounds really... I just am not sure
>>>>>> what
>>>>>> is out on the market and for how much. Ultrasonic leak detectors work,
>>>>>> but take a LOT of time.
>>>>>>
>>>>>> Mark Bitterlich
>>>>>>
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: owner-yak-list-server@matronics.com
>>>>>> [mailto:owner-yak-list-server@matronics.com] On Behalf Of Jon Boede
>>>>>> Sent: Monday, October 15, 2007 14:50
>>>>>> To: yak-list@matronics.com
>>>>>> Subject: Yak-List: pneumatic cancer
>>>>>>
>>>>>>
>>>>>> I still had a minor overall leak in my air system (would take several
>>>>>> hours to drop to zero once the master valve was closed) after
>>>>>> replacing
>>>>>> my front flap valve.
>>>>>>
>>>>>> So I decided to be brilliant and put a couple tablespoons of WD-40
>>>>>> into
>>>>>> my air tank.
>>>>>>
>>>>>> This seems to have made the problem much, much worse.
>>>>>>
>>>>>> I can hear hissing throughout the air system, even at the brand new
>>>>>> flap
>>>>>> and gear valves in the front seat, and the system won't charge up past
>>>>>> about 25.
>>>>>>
>>>>>> I have since drained the WD-40 and put a little bit of air tool oil in
>>>>>> the main tank and this week I'm going to disassemble the valves,
>>>>>> starting with the aforementioned brand new flap valve.
>>>>>>
>>>>>> Anybody got any suggestions on what I should be looking for, mistakes
>>>>>> to
>>>>>> avoid, or just commiseration? :-)
>>>>>>
>>>>>> Thanks,
>>>>>> Jon
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>
>
Message 4
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Subject: | Re: pneumatic cancer |
lou dakos wrote:
>
> Jon
>
> I had the same problem as you and noticed a small puff of air on my
> hand as I turned air on when I had a look inside valve it was not the
> best so I have just replaced my master air valve and it has fixed the
> problem, the old valve was working fine and went bad overnight.
>
> Lou
>
Jon and Lou,
The main and emergency air cock/valve is a typical needle and seat type
valve. The "seat" is nothing more than a hole in the alu body. The
"needle" however is the problem here as it is made of std steel, and not
stainless steel. Last year I had the same shop who make the stainless
steel dessicant filter bodies for me make up a bunch of these needles in
stainless steel. This greatly extends the life of these valves. Send
me your valve and I will R&R the needle and pressure check to 1000 psi,
I can return it to you with next day turn around.
Always Yakin,
Doug
>
>
Message 5
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Subject: | Re: Day to Day ops..... |
I don't know about that Doc.... Have you ever flown a Sukhoi SU-29?
It'll eat a YAK-50 for breakfast. It does not have the slow speed
handling that the 50 does, but that's because of the wing the 50 has. I
tend to agree with Craig. Further, it has much more fuel... Etc., etc.
On the other hand, there is the matter of price..... Which is going to
be about 5 times that of the 50.
Mark Bitterlich
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Roger Kemp
Sent: Monday, October 15, 2007 22:51
Subject: RE: Yak-List: Re: Day to Day ops.....
He'll regret that if he ever flies a 50!
Doc
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Craig Payne
Sent: Monday, October 15, 2007 7:47 PM
Subject: Yak-List: Re: Day to Day ops.....
>
> He, like everyone else, really needs a -50. He is a retired fighter
> guy and loves the -50 but wants another seat.
>
Sukhoi
Craig Payne
cpayne@joimail.com
http://www.matronics.com/Navigator?Yak-List
http://forums.matronics.com
Message 6
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|
Subject: | pneumatic cancer |
Based on Brian's commments, I just might be willing to try that. I can
get a Freon detector easily. If something like that really works, it
might be worth knowing.
Mark Bitterlich
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Doug Sapp
Sent: Monday, October 15, 2007 19:32
Subject: Re: Yak-List: pneumatic cancer
Mark,
I have no info on what effect Freon might have on the components in our
systems. My hunch is none, but let's try it on yours first OK ;O)
Always dubious,
Doug
Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E wrote:
Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
<mailto:mark.bitterlich@navy.mil>
Doug, on second thought... What would prevent us from pumping
Freon into
our systems, ... Pure Freon that is, not any that has had
compressor oil
already added? Isn't Freon in that form a clean gas? If it is,
then
Freon Detectors are all over the place. Just wondering. I
have used
the Ultrasonic deals... And they work well... But the sniff
detectors do
work better. Either one needs a nice hanger with the door
closed.
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Doug
Sapp
Sent: Monday, October 15, 2007 17:49
To: yak-list@matronics.com
Subject: Re: Yak-List: pneumatic cancer
<mailto:rvfltd@televar.com>
Poked about a bit via Google for a Argon detector and could not
come up
with anything less than 3K.
Ultrasonic sounds better all the time. I've had mine for two
years now
and it has saved me bunches of time and trouble. Paid 150.00
for it new
on ebay.
Always yakin,
Doug
Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E wrote:
Det Cherry
--> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
<mailto:mark.bitterlich@navy.mil>
Does anyone remember what types of sniff detectors are
out there? It
seems to me that one time I saw a really hard to find
leak in a
nitrogen line.. They filled the tank with something like
Argon, and
then used an Argon sniff detector that could register
detection in some
really loss part per million category. This thing could
find the
breath of an ant... As long as the ant farted argon.
That kind of
device will find the most smallest of leaks out there.
I know they
also make one for Freon, but of course we can't pump
that stuff into
our tanks! This might not be as difficult as it sounds
really... I
just am not sure what is out on the market and for how
much. Ultrasonic
leak detectors work, but take a LOT of time.
Mark Bitterlich
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf
Of Jon Boede
Sent: Monday, October 15, 2007 14:50
To: yak-list@matronics.com
Subject: Yak-List: pneumatic cancer
<jonboede@hotmail.com> <mailto:jonboede@hotmail.com>
I still had a minor overall leak in my air system (would
take several
hours to drop to zero once the master valve was closed)
after replacing
my front flap valve.
So I decided to be brilliant and put a couple
tablespoons of WD-40 into
my air tank.
This seems to have made the problem much, much worse.
I can hear hissing throughout the air system, even at
the brand new
flap and gear valves in the front seat, and the system
won't charge up
past about 25.
I have since drained the WD-40 and put a little bit of
air tool oil in
the main tank and this week I'm going to disassemble the
valves,
starting with the aforementioned brand new flap valve.
Anybody got any suggestions on what I should be looking
for, mistakes
to avoid, or just commiseration? :-)
Thanks,
Jon
Message 7
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|
Subject: | Re: Day to Day ops..... |
Really? Where and for how much? Super airplane. I might consider
letting go of the 50 for one of those.
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of A. Dennis
Savarese
Sent: Monday, October 15, 2007 22:15
Subject: Re: Yak-List: Re: Day to Day ops.....
--> <dsavarese@elmore.rr.com>
How about a NEW Yak 54! Found out today they are back in production.
Dennis
----- Original Message -----
From: "Tim Gagnon" <NiftyYak50@fuse.net>
Sent: Monday, October 15, 2007 7:57 PM
Subject: Yak-List: Re: Day to Day ops.....
>
> [quote="cpayne(at)joimail.com"]>
> > He, like everyone else, really needs a -50. He is a retired fighter
guy
> > and loves
>
>> the -50 but wants another seat.
>> >
>>
>
>
> Sukhoi
>
>
> Craig Payne
> cpayne@joimail.com (cpayne@joimail.com)
>
>
>> [b]
>
>
> There has to be a limit to everything! Suks are a bit pricey!
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=140185#140185
>
>
>
Message 8
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|
Subject: | Fuel pump failure |
Yes, but it is EXPERIENCED "seat at the desk" advice, thus worth a lot!
Thanks Cliff!
By the way, good thought on the oil dilution switch. Many people have
also used that switch for the after market oil scavaging pump idea.
Personally, I use it for an "emergency electrical switch". I would not
recommend it for others, but I ran a wire right to the "Combined Device"
relay so I can over-ride all the internal systems and close the main
contactor relay by hand if I so choose. Thus if I lose all electrical
power, and it is something wrong with current sensing, over-voltage,
under-voltage, you name it... I can close that relay for a split second
while watching the voltage and current gages and if all looks well, I
can hold it up manually and charge the battery in an emergency.
Actually I wired this up after having one of the internal relays in the
combined device fail in flight leaving me with an operable generator,
but no way to use it. I used that switch to over-ride the internal
systems and connect the generator to the main bus manually. Of course
the engine had to be at speed, and I had to carefully monitor voltage
and current, but it allowed me to get the airplane home. I just ended
leaving the wire to do it in place. :-)
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Cliff Coy
Sent: Tuesday, October 16, 2007 9:06
Subject: Re: Yak-List: Fuel pump failure
Sure....how about July 2008? <grin>
Seriously, without an airplane in the hangar to do the first one, it'd
be silly of me to come up with complete system sitting at my computer.
After the three main components- the pump, the solenoid valve, and the
switch, it's all hose, tube, and fittings.
I'd Tee into manifold primer hose as it comes out of the firewall.
I'd use oil dilution hose for the system prime.
For safety issues and for ease of installation, I'd tee into the primer
feed line inside the cockpit and run it through the firewall to the
pump- mounted on the firewall with the solenoid valve.
Again this is all seat at the desk.....
Cheers,
Cliff
Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E wrote:
>--> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>
>Cliff! Would you make us a KIT? :-)
>
>Mark
>
>
>-----Original Message-----
>From: owner-yak-list-server@matronics.com
>[mailto:owner-yak-list-server@matronics.com] On Behalf Of Cliff Coy
>Sent: Saturday, October 13, 2007 23:38
>To: yak-list@matronics.com
>Subject: Re: Yak-List: Fuel pump failure
>
>
>After giving the matter a couple minutes of thought...
>You could tee a Facet 40194 pump into the supply of the hand primer.
> From the pump a line is plumbed to a Parker Skinner 71335SN2KNJ1
>three-way solenoid valve.
>
>Each outlet of the three way valve would be tee'd into the respective
>priming line (system or cylinder).
>
>This should be a parallel but independent system requiring no extra
>check valves. (leaves the manual system operable)
>
>Power would be supplied by a cole hersee 55094 or Philmore Datak 30-340
>Progressive Toggle Switch (OFF-ON-MOM ON).
>and wired such that in the regular "on" position the pump would
>pressurize the carburetor.
>
>The "momentary on" position would energize the solenoid valve to divert
>the fuel to the intake manifold.
>
>This would be a fun project. Parts would be about $200.
>
>Cheers,
>Cliff
>
>Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E wrote:
>
>
>
>>--> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>>
>>With a little thought and some minor tubing changes said pump could be
>>used to replace the complete primer ... Period.
>>
>>The replacement would just have a toggle selector valve (system or
>>prime) and an electric switch having "momentary/off/on contacts". This
>>would duplicate the exact design used with the BIG radials, and would
>>also act as the backup fuel pump.
>>
>>Better yet.... Include an electric selector valve in the design. When
>>you push the electric switch to the spring loaded off "momentary"
>>position, it primes. Switch it to the "ON" side and it provides
system
>>pressure and thus a backup fuel pump.
>>
>>Of course, with a total loss of electric power, the engine would then
>>be very hard to start. But then, how many people really need to start
>>with a 100% total loss of electrical power? A few I guess.
>>
>>Interesting idea.
>>
>>Mark Bitterlich
>>N50YK
>>
>>
>>-----Original Message-----
>>From: owner-yak-list-server@matronics.com
>>[mailto:owner-yak-list-server@matronics.com] On Behalf Of Cliff Coy
>>Sent: Friday, October 12, 2007 17:31
>>To: yak-list@matronics.com
>>Subject: Re: Yak-List: Fuel pump failure
>>
>>
>>All of the 52TW's have an electric boost pump installed in parallel
>>with the "system" side of the primer.
>>I'd recommend using a 40194 pump- It has both a check valve and an
>>anti-siphon valve.
>>This will prevent any "loopback" through the electric pump.
>>
>>'spruce sells the 40194 (although they don't always show it in their
>>catalog)
>>
>>Cheers,
>>Cliff
>>
>>viperdoc wrote:
>>
>>
>>
>>
>>
>>>
>>>That is a GREAT IDEA that I had not thought of! Not that I have any
>>>corner on bright ideas. I don't! Especially since I ops tested the
>>>yes
>>>
>>>
>
>
>
>>>you can reassemble the fuel pump backwards!
>>>Thanks.
>>>Doc
>>>
>>>-----Original Message-----
>>>From: owner-yak-list-server@matronics.com
>>>[mailto:owner-yak-list-server@matronics.com] On Behalf Of Craig
>>>Schneider
>>>Sent: Thursday, October 11, 2007 2:48 PM
>>>To: yak-list@matronics.com
>>>Subject: RE: Yak-List: Fuel pump failure
>>>
>>>
>>>I have an electric boost pump. 28V facet mounted on the firewall, in
>>>fuel line before the engine driven fuel pump. Cheap investment
>>>Model
>>>40164 $42.60 at Aircraft Spruce
>>>
>>>Don't fly without one!
>>>
>>>-----Original Message-----
>>>From: owner-yak-list-server@matronics.com
>>>[mailto:owner-yak-list-server@matronics.com] On Behalf Of John Graham
>>>Sent: Thursday, October 11, 2007 1:19 PM
>>>To: Yak list
>>>Subject: Yak-List: Fuel pump failure
>>>
>>>
>>>If the engine driven fuel pump fails in flight, I have heard one can
>>>pump the primer lever rapidly to keep enough fuel going to the engine
>>>to keep it running long enough to land the plane. Is this true?
>>>Also,
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>>would one pump the handle after turning it to the left (fuel
>>>pressure)
>>>
>>>
>
>
>
>>>or right (fuel primer)?
>>>As always, thanks for your answers as I continue to learn about my
>>>Yak
>>>
>>>
>
>
>
>>>52.
>>>
>>>Thanks,
>>>
>>>John P. Graham
>>>CubFlyer1940@Yahoo.com
>>>Cell phone (847) 641-1330
>>>
>>>
>>>
>>>http://smallbusiness.yahoo.com/webhosting
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
>
Message 9
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|
Subject: | pneumatic cancer |
Actually Doc, my advice would be to mix some of that gylcerine with high
grade fuming nitric acid. That combo will take care of any aircraft
issue you might have. Call it the "ultimate Solution". Heck, just get
a big ole pan and pour the stuff into it willy nilly. Make sure you're
smoking while you're doing it.
Mgb
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Roger Kemp
Sent: Tuesday, October 16, 2007 9:32
Subject: Re: Yak-List: pneumatic cancer
moonshine or Tequila is clear also! Shine definately will clean that
linseed oil out of the system or clogg it up. Just depends on site and
date of manufacture.
But seriouisly if you want to mix 50:50 gylcerine to ETOH, you can get
90% ethyl alcohol for most pharamacies (Rite Aid has it over the
counter).
Don't drink the ethyl alcohol please! You'll go blind!
Sic
Doc
-----Original Message-----
>From: "A. Dennis Savarese" <dsavarese@elmore.rr.com>
>Sent: Oct 15, 2007 9:12 PM
>To: yak-list@matronics.com
>Subject: Re: Yak-List: pneumatic cancer
>
>--> <dsavarese@elmore.rr.com>
>
>Smirnoff. It's clear. :-)
>Dennis
>
>
>----- Original Message -----
>From: "Walter Lannon" <wlannon@persona.ca>
>To: <yak-list@matronics.com>
>Sent: Monday, October 15, 2007 7:12 PM
>Subject: Re: Yak-List: pneumatic cancer
>
>
>>
>> Doug;
>>
>> If you use Kosher glycerine for the first 50%, what do you use for
>> the last 50? Jack Daniels or Glenlivet??
>>
>> Cheers;
>> Walt
>> ----- Original Message -----
>> From: "Doug Sapp" <rvfltd@televar.com>
>> To: <yak-list@matronics.com>
>> Sent: Monday, October 15, 2007 4:27 PM
>> Subject: Re: Yak-List: pneumatic cancer
>>
>>
>>>
>>> Guys,
>>> Glycerin is one of the items used in the preservation of flowers, I
>>> buy it in truckload quantities in 55 gallon drums (USP grade), so if
>>> anyone wants any just let me know. Heck, I even have a drum of
>>> Kosher glycerin which might be preferred by those of you who feel
>>> that it is important to have your air line lubricant blessed by a
higher power than just your
>>> A&P. I use it....I need all the help I can get! ;o)
>>>
>>>
>>> Always Yakin,
>>> Doug
>>>
>>> A. Dennis Savarese wrote:
>>>
>>>> <dsavarese@elmore.rr.com>
>>>>
>>>> A 50-50 mixture of glycerin and alcohol is what is recommended.
>>>> Dennis
>>>>
>>>> ----- Original Message ----- From: "Jon Boede"
>>>> <jonboede@hotmail.com>
>>>> To: <yak-list@matronics.com>
>>>> Sent: Monday, October 15, 2007 4:53 PM
>>>> Subject: RE: Yak-List: pneumatic cancer
>>>>
>>>>
>>>>>
>>>>> I know that people have used Freon detectors since they can be
>>>>> borrowed from any number of refrigeration / air-conditioning
>>>>> folks. I know that manical L-39 folks have gotten their nitrogen
>>>>> systems to hold for MONTHS by sniffing things out with a Freon
detector.
>>>>>
>>>>> Alas, my problem is not so subtle. When I turn the main air valve
>>>>> on, my front flap valve and my back gear handle hiss noticably.
>>>>> :-(
>>>>>
>>>>> Oh well, as Brian points out, I'm embarassingly past all
>>>>> disassemble-and-clean intervals on my pneumatic system.
>>>>>
>>>>> Do I really want to fix things up with linseed oil? Anybody have
>>>>> a better suggestion that will be kind to all the seals in the
system?
>>>>>
>>>>>
>>>>>> From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E"
>>>>>> <mark.bitterlich@navy.mil>
>>>>>> To: <yak-list@matronics.com>
>>>>>> Subject: RE: Yak-List: pneumatic cancer
>>>>>> Date: Mon, 15 Oct 2007 17:07:20 -0400
>>>>>>
>>>>>> --> Cherry
>>>>>> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>>>>>>
>>>>>> Does anyone remember what types of sniff detectors are out there?
>>>>>> It seems to me that one time I saw a really hard to find leak in
>>>>>> a nitrogen line.. They filled the tank with something like Argon,
>>>>>> and then used an Argon sniff detector that could register
>>>>>> detection in some really loss part per million category. This
>>>>>> thing could find the breath of an ant... As long as the ant
>>>>>> farted argon. That kind of device will find the most smallest of
>>>>>> leaks out there. I know they also make one for Freon, but of
>>>>>> course we can't pump that stuff into our tanks! This might not
>>>>>> be as difficult as it sounds really... I just am not sure what is
>>>>>> out on the market and for how much. Ultrasonic leak detectors
>>>>>> work, but take a LOT of time.
>>>>>>
>>>>>> Mark Bitterlich
>>>>>>
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: owner-yak-list-server@matronics.com
>>>>>> [mailto:owner-yak-list-server@matronics.com] On Behalf Of Jon
>>>>>> Boede
>>>>>> Sent: Monday, October 15, 2007 14:50
>>>>>> To: yak-list@matronics.com
>>>>>> Subject: Yak-List: pneumatic cancer
>>>>>>
>>>>>> --> <jonboede@hotmail.com>
>>>>>>
>>>>>> I still had a minor overall leak in my air system (would take
>>>>>> several hours to drop to zero once the master valve was closed)
>>>>>> after replacing my front flap valve.
>>>>>>
>>>>>> So I decided to be brilliant and put a couple tablespoons of
>>>>>> WD-40 into my air tank.
>>>>>>
>>>>>> This seems to have made the problem much, much worse.
>>>>>>
>>>>>> I can hear hissing throughout the air system, even at the brand
>>>>>> new flap and gear valves in the front seat, and the system won't
>>>>>> charge up past about 25.
>>>>>>
>>>>>> I have since drained the WD-40 and put a little bit of air tool
>>>>>> oil in the main tank and this week I'm going to disassemble the
>>>>>> valves, starting with the aforementioned brand new flap valve.
>>>>>>
>>>>>> Anybody got any suggestions on what I should be looking for,
>>>>>> mistakes to avoid, or just commiseration? :-)
>>>>>>
>>>>>> Thanks,
>>>>>> Jon
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>
>
Message 10
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|
Subject: | pneumatic cancer |
Hey,
Know how they normally find the meth labs here in LA (lower Al)? They are
smoking will "cooking" acetone and some nitric acid with phenylephrine (and
a few other not so healthy chemicals). Generally they present to the ER with
60-90% 2nd to 3rd degree burns along with smelling like hell!
Bang...the house trailer goes up and all the neighbors wonder what that
smell was!
Doc
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Bitterlich, Mark G
CIV Det Cherry Point, MALS-14 64E
Sent: Tuesday, October 16, 2007 5:34 PM
Subject: RE: Yak-List: pneumatic cancer
MALS-14 64E" <mark.bitterlich@navy.mil>
Actually Doc, my advice would be to mix some of that gylcerine with high
grade fuming nitric acid. That combo will take care of any aircraft
issue you might have. Call it the "ultimate Solution". Heck, just get
a big ole pan and pour the stuff into it willy nilly. Make sure you're
smoking while you're doing it.
Mgb
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Roger Kemp
Sent: Tuesday, October 16, 2007 9:32
Subject: Re: Yak-List: pneumatic cancer
moonshine or Tequila is clear also! Shine definately will clean that
linseed oil out of the system or clogg it up. Just depends on site and
date of manufacture.
But seriouisly if you want to mix 50:50 gylcerine to ETOH, you can get
90% ethyl alcohol for most pharamacies (Rite Aid has it over the
counter).
Don't drink the ethyl alcohol please! You'll go blind!
Sic
Doc
-----Original Message-----
>From: "A. Dennis Savarese" <dsavarese@elmore.rr.com>
>Sent: Oct 15, 2007 9:12 PM
>To: yak-list@matronics.com
>Subject: Re: Yak-List: pneumatic cancer
>
>--> <dsavarese@elmore.rr.com>
>
>Smirnoff. It's clear. :-)
>Dennis
>
>
>----- Original Message -----
>From: "Walter Lannon" <wlannon@persona.ca>
>To: <yak-list@matronics.com>
>Sent: Monday, October 15, 2007 7:12 PM
>Subject: Re: Yak-List: pneumatic cancer
>
>
>>
>> Doug;
>>
>> If you use Kosher glycerine for the first 50%, what do you use for
>> the last 50? Jack Daniels or Glenlivet??
>>
>> Cheers;
>> Walt
>> ----- Original Message -----
>> From: "Doug Sapp" <rvfltd@televar.com>
>> To: <yak-list@matronics.com>
>> Sent: Monday, October 15, 2007 4:27 PM
>> Subject: Re: Yak-List: pneumatic cancer
>>
>>
>>>
>>> Guys,
>>> Glycerin is one of the items used in the preservation of flowers, I
>>> buy it in truckload quantities in 55 gallon drums (USP grade), so if
>>> anyone wants any just let me know. Heck, I even have a drum of
>>> Kosher glycerin which might be preferred by those of you who feel
>>> that it is important to have your air line lubricant blessed by a
higher power than just your
>>> A&P. I use it....I need all the help I can get! ;o)
>>>
>>>
>>> Always Yakin,
>>> Doug
>>>
>>> A. Dennis Savarese wrote:
>>>
>>>> <dsavarese@elmore.rr.com>
>>>>
>>>> A 50-50 mixture of glycerin and alcohol is what is recommended.
>>>> Dennis
>>>>
>>>> ----- Original Message ----- From: "Jon Boede"
>>>> <jonboede@hotmail.com>
>>>> To: <yak-list@matronics.com>
>>>> Sent: Monday, October 15, 2007 4:53 PM
>>>> Subject: RE: Yak-List: pneumatic cancer
>>>>
>>>>
>>>>>
>>>>> I know that people have used Freon detectors since they can be
>>>>> borrowed from any number of refrigeration / air-conditioning
>>>>> folks. I know that manical L-39 folks have gotten their nitrogen
>>>>> systems to hold for MONTHS by sniffing things out with a Freon
detector.
>>>>>
>>>>> Alas, my problem is not so subtle. When I turn the main air valve
>>>>> on, my front flap valve and my back gear handle hiss noticably.
>>>>> :-(
>>>>>
>>>>> Oh well, as Brian points out, I'm embarassingly past all
>>>>> disassemble-and-clean intervals on my pneumatic system.
>>>>>
>>>>> Do I really want to fix things up with linseed oil? Anybody have
>>>>> a better suggestion that will be kind to all the seals in the
system?
>>>>>
>>>>>
>>>>>> From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E"
>>>>>> <mark.bitterlich@navy.mil>
>>>>>> To: <yak-list@matronics.com>
>>>>>> Subject: RE: Yak-List: pneumatic cancer
>>>>>> Date: Mon, 15 Oct 2007 17:07:20 -0400
>>>>>>
>>>>>> --> Cherry
>>>>>> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>>>>>>
>>>>>> Does anyone remember what types of sniff detectors are out there?
>>>>>> It seems to me that one time I saw a really hard to find leak in
>>>>>> a nitrogen line.. They filled the tank with something like Argon,
>>>>>> and then used an Argon sniff detector that could register
>>>>>> detection in some really loss part per million category. This
>>>>>> thing could find the breath of an ant... As long as the ant
>>>>>> farted argon. That kind of device will find the most smallest of
>>>>>> leaks out there. I know they also make one for Freon, but of
>>>>>> course we can't pump that stuff into our tanks! This might not
>>>>>> be as difficult as it sounds really... I just am not sure what is
>>>>>> out on the market and for how much. Ultrasonic leak detectors
>>>>>> work, but take a LOT of time.
>>>>>>
>>>>>> Mark Bitterlich
>>>>>>
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: owner-yak-list-server@matronics.com
>>>>>> [mailto:owner-yak-list-server@matronics.com] On Behalf Of Jon
>>>>>> Boede
>>>>>> Sent: Monday, October 15, 2007 14:50
>>>>>> To: yak-list@matronics.com
>>>>>> Subject: Yak-List: pneumatic cancer
>>>>>>
>>>>>> --> <jonboede@hotmail.com>
>>>>>>
>>>>>> I still had a minor overall leak in my air system (would take
>>>>>> several hours to drop to zero once the master valve was closed)
>>>>>> after replacing my front flap valve.
>>>>>>
>>>>>> So I decided to be brilliant and put a couple tablespoons of
>>>>>> WD-40 into my air tank.
>>>>>>
>>>>>> This seems to have made the problem much, much worse.
>>>>>>
>>>>>> I can hear hissing throughout the air system, even at the brand
>>>>>> new flap and gear valves in the front seat, and the system won't
>>>>>> charge up past about 25.
>>>>>>
>>>>>> I have since drained the WD-40 and put a little bit of air tool
>>>>>> oil in the main tank and this week I'm going to disassemble the
>>>>>> valves, starting with the aforementioned brand new flap valve.
>>>>>>
>>>>>> Anybody got any suggestions on what I should be looking for,
>>>>>> mistakes to avoid, or just commiseration? :-)
>>>>>>
>>>>>> Thanks,
>>>>>> Jon
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>
>
Message 11
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|
Subject: | Re: Day to Day ops..... |
Yeah but neither the 54 or the 29 fold their feet up. If I am thinking of
the same aircraft.
Doc
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Bitterlich, Mark G
CIV Det Cherry Point, MALS-14 64E
Sent: Tuesday, October 16, 2007 4:50 PM
Subject: RE: Yak-List: Re: Day to Day ops.....
MALS-14 64E" <mark.bitterlich@navy.mil>
I don't know about that Doc.... Have you ever flown a Sukhoi SU-29?
It'll eat a YAK-50 for breakfast. It does not have the slow speed
handling that the 50 does, but that's because of the wing the 50 has. I
tend to agree with Craig. Further, it has much more fuel... Etc., etc.
On the other hand, there is the matter of price..... Which is going to
be about 5 times that of the 50.
Mark Bitterlich
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Roger Kemp
Sent: Monday, October 15, 2007 22:51
Subject: RE: Yak-List: Re: Day to Day ops.....
He'll regret that if he ever flies a 50!
Doc
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Craig Payne
Sent: Monday, October 15, 2007 7:47 PM
Subject: Yak-List: Re: Day to Day ops.....
>
> He, like everyone else, really needs a -50. He is a retired fighter
> guy and loves the -50 but wants another seat.
>
Sukhoi
Craig Payne
cpayne@joimail.com
http://www.matronics.com/Navigator?Yak-List
http://forums.matronics.com
Message 12
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|
Subject: | Re: pneumatic cancer |
On Oct 16, 2007, at 3:33 PM, Bitterlich, Mark G CIV Det Cherry Point,
MALS-14 64E wrote:
> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>
> Actually Doc, my advice would be to mix some of that gylcerine with
> high
> grade fuming nitric acid.
There is an intermediate step you forgot. The devil is always in the
details.
--
Brian Lloyd 3191 Western Drive
brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682
+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-Exupry
PGP key ID: 12095C52A32A1B6C
PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C
Message 13
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|
Subject: | Re: pneumatic cancer |
You know, it's sad that distributing information on that missing step is now
"terrorism". Sigh.
>From: Brian Lloyd <brian-1927@lloyd.com>
>To: yak-list@matronics.com
>Subject: Re: Yak-List: pneumatic cancer
>Date: Tue, 16 Oct 2007 20:54:42 -0700
>
>
>
>On Oct 16, 2007, at 3:33 PM, Bitterlich, Mark G CIV Det Cherry Point,
>MALS-14 64E wrote:
>
>>MALS-14 64E" <mark.bitterlich@navy.mil>
>>
>>Actually Doc, my advice would be to mix some of that gylcerine with high
>>grade fuming nitric acid.
>
>There is an intermediate step you forgot. The devil is always in the
>details.
>
>--
>Brian Lloyd 3191 Western Drive
>brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682
>+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-Exupry
>
>PGP key ID: 12095C52A32A1B6C
>PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C
>
>
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