Today's Message Index:
----------------------
1. 07:04 AM - Re: Lift strut vibration (Ed G.)
2. 07:21 AM - pirep on goggles (Oscar Zuniga)
3. 07:26 AM - Re: Strut vibration (Rick Holland)
4. 07:34 AM - Re: Strut vibration ()
5. 07:41 AM - Engine selection questions (Jack T. Textor)
6. 07:44 AM - Re: Lift strut vibration (Rick Holland)
7. 07:48 AM - Re: Strut vibration (Rick Holland)
8. 09:02 AM - Wing Rib Lacing (Mike Luther)
9. 09:35 AM - Re: Engine selection questions (Mike Luther)
10. 09:57 AM - Re: Wing Rib Lacing (Hans Vander Voort)
11. 10:59 AM - Sky Gypsy Makes Aviation Week & Space Technology (Cuy, Michael D. (GRC-RXD0)[ASRC])
12. 01:44 PM - Vibration (lshutks@webtv.net (Leon Stefan))
13. 03:40 PM - Pietenpol's and Corvairs. (Peter W Johnson)
14. 04:12 PM - Re: Pietenpol's and Corvairs. (KMHeide)
15. 04:12 PM - Re: Pietenpol's and Corvairs. (Rick Holland)
16. 06:06 PM - Re: Wing Rib Lacing (Mike Luther)
17. 06:14 PM - Re: Strut vibration (Rcaprd@aol.com)
18. 06:15 PM - Re: Wing Rib Lacing (Rcaprd@aol.com)
19. 06:19 PM - Re: Lift strut vibration (Rcaprd@aol.com)
20. 09:53 PM - Re: Pietenpol's and Corvairs. (Javier Cruz)
21. 11:34 PM - Re: Pietenpol's and Corvairs. (Peter W Johnson)
Message 1
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| Subject: | Re: Lift strut vibration |
There is a notation on the plans. Drawing #6, at the bottom of the upper
left section, right a the lower end of the lift strut diagram from BHP.
It says " Lower end of strut is given a little play to avoid chances of
crystalizing fuselage fitting". Wishing everyone a great holiday
season.....Ed G.
----- Original Message -----
From: Leon Stefan<mailto:lshutks@webtv.net>
To: pietenpol-list@matronics.com<mailto:pietenpol-list@matronics.com>
Sent: Thursday, December 21, 2006 4:28 PM
Subject: Pietenpol-List: Lift strut vibration
lshutks@webtv.net<mailto:lshutks@webtv.net> (Leon Stefan)
" Does this apply to the lower right strut as well?" Harvy: "leave a
little slack" (words of BHP in the old news letter) applied to the
lower
end of all 4 lift struts. No problem up top because those"lolly pop"
fittings are actually a hinge. I don't recall if the guy he was
talking
to used jury struts or no jurys. BHP as you know didn't so I'm sure he
had vibration even though the streamline tubing he used was formed
with
the 4 stiffener ribs made into them. None of this may even be a
problem
with vibration dampening jury struts. It was interesting to look at
Alan
Rudolphs lift struts at Brodhead. If you get a chance to see these
struts check them out. Interesting note on vibration--It's fun to
watch
the radio antenna on my pickup as I drive. Its made of thin wire and
sometimes I see 3 waves of vibration in it as I drive. Dave
Abramson--Sorry I couldn't read your question. Yours and many others
have started showing up on my screen as dark blue text on a slightly
darker blue back ground. Maybe Santa will bring me a new computer and
a
Hooters babe to show to use it. Rick--Your winter pictures kind of
make
us long for those mild Ohio winters don't it. Leon S.
www.aeroelectric.com<http://www.aeroelectric.com/>
www.buildersbooks.com<http://www.buildersbooks.com/>
www.kitlog.com<http://www.kitlog.com/>
www.homebuilthelp.com<http://www.homebuilthelp.com/>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
http://www.matronics.com/Navigator?Pietenpol-List<http://www.matronics.co
m/Navigator?Pietenpol-List>
Message 2
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| Subject: | pirep on goggles |
Michael Silvius wrote-
>These seem to be the best deal going for clasic flying goggles.
>cant imagine anyone cheaper and at 15$ you can't beat the price.
>available in black or chrome frame.
>
>http://www.majorsurplusnsurvival.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=MSS&Product_Code=023612&Category_Code=23
I was looking for an inexpensive pair of flying goggles and purchased a pair
of these, with the black frames. Have not flown with them yet. They appear
to be foreign made (and I'm not talking Great Britain) judging from the
broken English on the box, worth what I paid for them ($15). The lenses are
acrylic or polycarbonate, not glass (which is fine). Trim pieces are
stainless steel but with sharp edges (stamped). The box says the frames are
padded leather; if so, it's quite thin leather but they do fit comfortably.
Look like they might last one or two flying seasons, tops. I wear contact
lenses and absolutely must have something to keep my lenses from drying out
in the propblast. I have ski goggles as well, but wanted something that
looked more like flying goggles.
Not a bad deal for the money but certainly not authentic leather with glass
lenses. If that's what you're expecting look elsewhere.
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
_________________________________________________________________
Find sales, coupons, and free shipping, all in one place! MSN Shopping
Sales & Deals
http://shopping.msn.com/content/shp/?ctid=198,ptnrid=176,ptnrdata 0639
Message 3
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| Subject: | Re: Strut vibration |
Chuck
Arn't they just talking about securing the ends with castle nuts so they can
move forward and backward rather than tighening them down with regular nuts?
I don't think they meant to have you enlarge the holes.
Rick
On 12/21/06, Rcaprd@aol.com <Rcaprd@aol.com> wrote:
>
> In a message dated 12/21/2006 8:35:25 AM Central Standard Time,
> lshutks@webtv.net writes:
>
> Speaking of strut vibration, I remember reading in one of the old back
> issues of the BPNews where a builder said BHP told him not to tighten
> the bottom lift strut attach bolt tight against the fus. fitting. Leave
> a little slack. this is to keep a vibrating strut from transferring its
> movement to the fus. fitting causing possible Work hardening and
> failure. No problem at the top fitting as the "lolly pop" fitting (as
> Chuck calls it) can move with the strut. This all if you use BHPs
> flattened end steel struts as shown on he plans. Leon S. Breathing a
> sigh of relief that the blizzard in Colorado is going north east to Neb.
> rather than east to Ks.
>
> Leon,
> I've never heard that one from B.H.P. !! I don't think it would be much
> of a problem if lift struts are installed. Work hardening is much more
> prone to Aluminum...another reason to stick with the steel struts. I don't
> like the idea of leaving those lower strut bolts a little loose...I think it
> would wallow out the bolt holes.
> That is some kinda storm, huh ??!! I just heard that Interstate 70 is
> still closed down from yesterday !!
>
> Merry Christmas to all !!
>
> Chuck G.
> NX770CG
>
> *
>
>
> www.aeroelectric.com
>
> http://www.matronics.com/Navigator?Pietenpol-List
>
> *
>
>
--
Rick Holland
"Logic is a wreath of pretty flowers, that smell bad"
Message 4
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I think he ment that if things were left loose that the holes would
enlarge from wear over time.
________________________________
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Rick
Holland
Sent: December 22, 2006 10:26 AM
Subject: Re: Pietenpol-List: Strut vibration
Chuck
Arn't they just talking about securing the ends with castle nuts so they
can move forward and backward rather than tighening them down with
regular nuts? I don't think they meant to have you enlarge the holes.
Rick
On 12/21/06, Rcaprd@aol.com < Rcaprd@aol.com <mailto:Rcaprd@aol.com> >
wrote:
In a message dated 12/21/2006 8:35:25 AM Central Standard Time,
lshutks@webtv.net writes:
Speaking of strut vibration, I remember reading in one of the
old back
issues of the BPNews where a builder said BHP told him not to
tighten
the bottom lift strut attach bolt tight against the fus.
fitting. Leave
a little slack. this is to keep a vibrating strut from
transferring its
movement to the fus. fitting causing possible Work hardening and
failure. No problem at the top fitting as the "lolly pop"
fitting (as
Chuck calls it) can move with the strut. This all if you use
BHPs
flattened end steel struts as shown on he plans. Leon S.
Breathing a
sigh of relief that the blizzard in Colorado is going north east
to Neb.
rather than east to Ks.
Leon,
I've never heard that one from B.H.P. !! I don't think it would be much
of a problem if lift struts are installed. Work hardening is much more
prone to Aluminum...another reason to stick with the steel struts. I
don't like the idea of leaving those lower strut bolts a little
loose...I think it would wallow out the bolt holes.
That is some kinda storm, huh ??!! I just heard that Interstate 70 is
still closed down from yesterday !!
Merry Christmas to all !!
Chuck G.
NX770CG
www.aeroelectric.com
http://www.matronics.com/Navigator?Pietenpol-List
--
Rick Holland
"Logic is a wreath of pretty flowers, that smell bad"
Message 5
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| Subject: | Engine selection questions |
Merry Christmas All!
I'm starting to look for a mid-time 0-200, or possibly C-85 or 90.
Should I be looking for the F (flanged hub) designation? Are there
other things I should be considering?
Thanks,
Jack
www.textors.com
Message 6
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| Subject: | Re: Lift strut vibration |
Leon
That kind of vibration is typical when using a "Kansas Radio Antenna" (a
coat hanger). If you had a real antenna you wouldn't see that.
Rick
do not archive
Interesting note on vibration--It's fun to watch
> the radio antenna on my pickup as I drive. Its made of thin wire and
> sometimes I see 3 waves of vibration in it as I drive. Dave
> Abramson--Sorry I couldn't read your question. Yours and many others
> have started showing up on my screen as dark blue text on a slightly
> darker blue back ground. Maybe Santa will bring me a new computer and a
> Hooters babe to show to use it. Rick--Your winter pictures kind of make
> us long for those mild Ohio winters don't it. Leon S.
>
>
--
Rick Holland
"Logic is a wreath of pretty flowers, that smell bad"
Message 7
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| Subject: | Re: Strut vibration |
The strut forks I purchased from ACS came with drilled short bolts and
castle nuts. You could say that is a loose attachment since it can swing
forward and backward.
Rick
On 12/22/06, harvey.rule@bell.ca <harvey.rule@bell.ca> wrote:
>
> I think he ment that if things were left loose that the holes would
> enlarge from wear over time.
>
>
> ------------------------------
>
> *From:* owner-pietenpol-list-server@matronics.com [mailto:
> owner-pietenpol-list-server@matronics.com] *On Behalf Of *Rick Holland
> *Sent:* December 22, 2006 10:26 AM
> *To:* pietenpol-list@matronics.com
> *Subject:* Re: Pietenpol-List: Strut vibration
>
>
> Chuck
>
> Arn't they just talking about securing the ends with castle nuts so they
> can move forward and backward rather than tighening them down with regular
> nuts? I don't think they meant to have you enlarge the holes.
>
> Rick
>
> On 12/21/06, *Rcaprd@aol.com* < Rcaprd@aol.com> wrote:
>
> In a message dated 12/21/2006 8:35:25 AM Central Standard Time,
> lshutks@webtv.net writes:
>
> Speaking of strut vibration, I remember reading in one of the old back
> issues of the BPNews where a builder said BHP told him not to tighten
> the bottom lift strut attach bolt tight against the fus. fitting. Leave
> a little slack. this is to keep a vibrating strut from transferring its
> movement to the fus. fitting causing possible Work hardening and
> failure. No problem at the top fitting as the "lolly pop" fitting (as
> Chuck calls it) can move with the strut. This all if you use BHPs
> flattened end steel struts as shown on he plans. Leon S. Breathing a
> sigh of relief that the blizzard in Colorado is going north east to Neb.
> rather than east to Ks.
>
> Leon,
>
> I've never heard that one from B.H.P. !! I don't think it would be much
> of a problem if lift struts are installed. Work hardening is much more
> prone to Aluminum...another reason to stick with the steel struts. I don't
> like the idea of leaving those lower strut bolts a little loose...I think it
> would wallow out the bolt holes.
>
> That is some kinda storm, huh ??!! I just heard that Interstate 70 is
> still closed down from yesterday !!
>
>
> Merry Christmas to all !!
>
>
> Chuck G.
>
> NX770CG
>
> * *
>
> * *
>
> * *
>
> *www.aeroelectric.com*
>
> * *
>
> *http://www.matronics.com/Navigator?Pietenpol-List*
>
> *
>
>
> --
>
> Rick Holland
>
>
> "Logic is a wreath of pretty flowers, that smell bad"*
>
> * *
>
> * *
>
> * *
>
> * *
>
> **
>
> **
>
> **
>
> *www.aeroelectric.com*
>
> *www.kitlog.com*
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/Navigator?Pietenpol-List*
>
> * *
>
> *
>
>
> *
>
>
--
Rick Holland
"Logic is a wreath of pretty flowers, that smell bad"
Message 8
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Hello everyone:
Merry Christmas !!
Anchorage is usually a beautiful ,snowy place, this time of year.
I am using the Poly-Fiber system for covering my Piet. I read the Poly-Fiber book,
watched the video and worked through the practice fabric frame. I have laced
three ribs, so far , and am not having any technical problems.
Any tips or helpful suggestions to speeeeeeed up this process would be appreciated.
Thanks, ahead of time , for any good ideas.
Mike Luther
Message 9
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| Subject: | Re: Engine selection questions |
There always seems to be a potential for lively discussion when engine selection
is mentioned.
I have never heard anything bad said about taper hub as opposed to flanged hub.
The 90 seems to have a good reputation for durability, but I did not see many for
sale when I was looking.
C-85 was recommended to me because it was more available and less expensive, when
I was looking, 5 years ago.
O-200 engines have new replacement part$ available and the Marvel carb has a
good reputation.
Mike Luther
----- Original Message -----
From: "Jack T. Textor" <jtextor@thepalmergroup.com>
Subject: Pietenpol-List: Engine selection questions
> Merry Christmas All!
>
> I'm starting to look for a mid-time 0-200, or possibly C-85 or 90.
> Should I be looking for the F (flanged hub) designation? Are there
> other things I should be considering?
>
> Thanks,
>
> Jack
>
> www.textors.com
>
>
>
>
Message 10
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| Subject: | Re: Wing Rib Lacing |
Mike
Stand the wing on its leading edge, about 2 feet up from the ground
Make 12 needles, using welding rod (flat one end with hole, sharp the
other)
And do all the ribs at the same time, saves time walking around the wing
for every stich.
Even faster get a stich buddy, saves the walking altogether
Have a merry christmas
Hans
Message 11
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| Subject: | Sky Gypsy Makes Aviation Week & Space Technology |
2006 Art & Photography Issue (just came out) pages 84 AND 85.
Honorable Mention: Paul Glenshaw Silver Spring, MD
"Pietenpol flies over Xenia, Ohio" (pronounced Zeen-yah)
Photo shows Frank Pavliga's Pietnepol in an air-to-air photo from a
quartering-trail view off his starboard side roughly 500 feet agl over
farmland in very hazy, sunless, daytime conditions. Very nice photo.
I would have never seen this if we were not subscribed to AvWeek here at
work and if you go to their web site you have to subscribe to look at
the photos. Perhaps your local library carries Aviation Week if you'd
like to
see this one. December 18/25, 2006 Issue
Mike C.
Message 12
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Ed" Thanks for the reminder on the plans note. I'd forgot it was there.
Rick> That coat hangar antenna came factory installed from Detroit! I'd
always thought it was a Michigan thing. Leon S. Do not Archive
Message 13
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| Subject: | Pietenpol's and Corvairs. |
Hi Guys,
I am trying to find out information on rpm levels and wooden prop sizes for
the Piet/Corvair combination.
Could people flying with this combination let me know the following:-
1 Size of prop
2 Static RPM
3 Typical cruise speed and rpm
4 Full throttle speed and rpm
5 Empty weight of aircraft
I have some information from Hans and also from Al Schuberts book, "How I
make Wood Propellers". I would appreciate some more.
Also, does anybody know if there is any correlation between Warp Drive pitch
angles and Wooden Props?
Thanks
Peter
Wonthaggi, Australia
http://www.cpc-world.com
--
6:45 PM
Message 14
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| Subject: | Re: Pietenpol's and Corvairs. |
Peter,
I would go a few steps further...What about Warp Drive (ground adjustable) three
blade and/or two blade props for Pietenpol use? Any information on that manufacturer's
prop and Pietenpols?
Peter W Johnson <vk3eka@bigpond.net.au> wrote:
Hi Guys,
I am trying to find out information on rpm levels and wooden prop sizes for
the Piet/Corvair combination.
Could people flying with this combination let me know the following:-
1 Size of prop
2 Static RPM
3 Typical cruise speed and rpm
4 Full throttle speed and rpm
5 Empty weight of aircraft
I have some information from Hans and also from Al Schuberts book, "How I
make Wood Propellers". I would appreciate some more.
Also, does anybody know if there is any correlation between Warp Drive pitch
angles and Wooden Props?
Thanks
Peter
Wonthaggi, Australia
http://www.cpc-world.com
--
6:45 PM
__________________________________________________
Message 15
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| Subject: | Re: Pietenpol's and Corvairs. |
William Wynne is the Corvair guru, and he had a Piet/Corvair. You can search
his open email list for info on this.
http://www.flycorvair.com/
On 12/22/06, Peter W Johnson <vk3eka@bigpond.net.au> wrote:
>
> vk3eka@bigpond.net.au>
>
> Hi Guys,
>
> I am trying to find out information on rpm levels and wooden prop sizes
> for
> the Piet/Corvair combination.
>
> Could people flying with this combination let me know the following:-
>
> 1 Size of prop
> 2 Static RPM
> 3 Typical cruise speed and rpm
> 4 Full throttle speed and rpm
> 5 Empty weight of aircraft
>
> I have some information from Hans and also from Al Schuberts book, "How I
> make Wood Propellers". I would appreciate some more.
>
> Also, does anybody know if there is any correlation between Warp Drive
> pitch
> angles and Wooden Props?
>
> Thanks
>
> Peter
> Wonthaggi, Australia
> http://www.cpc-world.com
>
>
> --
> 6:45 PM
>
>
--
Rick Holland
"Logic is a wreath of pretty flowers, that smell bad"
Message 16
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| Subject: | Re: Wing Rib Lacing |
Hans:
Thanks for the information, especially the part about the welding rod needles.
Mike
----- Original Message -----
From: Hans Vander Voort <hans.vander.voort@alfalaval.com>
Subject: Re: Pietenpol-List: Wing Rib Lacing
> <hans.vander.voort@alfalaval.com>
> Mike
>
> Stand the wing on its leading edge, about 2 feet up from the ground
>
> Make 12 needles, using welding rod (flat one end with hole, sharp the
> other)
>
> And do all the ribs at the same time, saves time walking around
> the wing
> for every stich.
>
> Even faster get a stich buddy, saves the walking altogether
>
> Have a merry christmas
>
> Hans
>
>
>
>
>
>
>
Message 17
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| Subject: | Re: Strut vibration |
In a message dated 12/22/2006 9:28:31 AM Central Standard Time,
at7000ft@gmail.com writes:
Chuck
Arn't they just talking about securing the ends with castle nuts so they can
move forward and backward rather than tighening them down with regular nuts? I
don't think they meant to have you enlarge the holes.
Rick
The only place castle nuts are required is where there is a movable joint.
I can only be sure, in time, the holes will elongate if the bolts are loose
enough to allow movement, unless there is alowance for routine lubircation. I
used locking nuts, and cinched them up with about 30 lbs of torque. The note
in the plans has to do with 1020 steel, not 4130. Not sure if that makes a
difference, but 4130 certainly has more tensile strength.
Chuck G.
NX770CG
Message 18
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| Subject: | Re: Wing Rib Lacing |
In a message dated 12/22/2006 11:58:58 AM Central Standard Time,
hans.vander.voort@alfalaval.com writes:
Mike
Stand the wing on its leading edge, about 2 feet up from the ground
Make 12 needles, using welding rod (flat one end with hole, sharp the
other)
And do all the ribs at the same time, saves time walking around the wing
for every stich.
Even faster get a stich buddy, saves the walking altogether
Have a merry christmas
Hans
That's exactly how I did it, but I only had 5 needles.
Chuck G.
NX770CG
Message 19
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| Subject: | Re: Lift strut vibration |
In a message dated 12/22/2006 9:07:15 AM Central Standard Time,
flyboy_120@hotmail.com writes:
There is a notation on the plans. Drawing #6, at the bottom of the upper left
section, right a the lower end of the lift strut diagram from BHP. It says "
Lower end of strut is given a little play to avoid chances of crystalizing
fuselage fitting". Wishing everyone a great holiday season.....Ed G.
I'm keeping my lower struts tight. There's a thing called 'Modules of
Elasticity', which means the metal will return to it's original dimension, as long
as it does not exceed it's Modules of Elasticity. From what I understand,
Steel will NOT fatigue, as long as it is not bent beyond it's Modules of
Elasticity. Aluminum is a whole different animal. It will eventually fatigue,
even if
it does not exceed it's modules of elasticity.
Chuck G.
NX770CG
Message 20
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| Subject: | Re: Pietenpol's and Corvairs. |
Hi again Piets, sorry i forget something that can be usefull
On the first runnings, i have problems whit the mixture control (maybe the
altitud here) i was using a lever for adjust it (like yours Peter), i
change it for a Vernier mixturecontrol and the engine perform much better,
the mixture needs a fine adjust and i think that whit the lever it's very
hard to get a good mixture..
Message 21
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| Subject: | Pietenpol's and Corvairs. |
Javier
My mixture control on the NAS31A has been blanked off. Bit the same as hard
wiring the lever to the rich position.
Cheers
Peter.
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Javier Cruz
Sent: Saturday, 23 December 2006 4:53 PM
Subject: Re: Pietenpol-List: Pietenpol's and Corvairs.
Hi again Piets, sorry i forget something that can be usefull
On the first runnings, i have problems whit the mixture control (maybe the
altitud here) i was using a lever for adjust it (like yours Peter), i
change it for a Vernier mixturecontrol and the engine perform much better,
the mixture needs a fine adjust and i think that whit the lever it's very
hard to get a good mixture..
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3:22 PM
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3:22 PM
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