Today's Message Index:
----------------------
1. 03:54 AM - Re: Re: couple of new guy questions... (helspersew@aol.com)
2. 03:59 AM - Re: Re: couple of new guy questions... (helspersew@aol.com)
3. 04:24 AM - Re: couple of new guy questions... (j_dunavin)
4. 04:33 AM - Re: prevent splinters with duct tape (Ameet Savant)
5. 04:34 AM - Re: Re: couple of new guy questions... (Ryan Mueller)
6. 04:47 AM - NX929DH progress report (helspersew@aol.com)
7. 05:45 AM - Landing gear pads (Gary Boothe)
8. 05:46 AM - Re: NX929DH progress report (AMsafetyC@aol.com)
9. 05:46 AM - What Prop is on your A-75? (Oscar Zuniga)
10. 05:52 AM - performance numbers and stall speeds vs. a/c weight (Oscar Zuniga)
11. 06:05 AM - Re: FCC bans 121.5 ELTs (Tim White)
12. 06:06 AM - Re: NX929DH progress report (skellytown flyer)
13. 06:09 AM - Re: NX929DH progress report (Cuy, Michael D. (GRC-RXD0)[ASRC Aerospace Corporation])
14. 06:29 AM - Re: couple of new guy questions... (bubbleboy)
15. 06:37 AM - Re: couple of new guy questions... (Gary Boothe)
16. 06:59 AM - Re: prevent splinters with duct tape (Kringle)
17. 07:22 AM - Re: prevent splinters with duct tape (Dan Yocum)
18. 07:32 AM - Re: performance numbers and stall speeds vs. a/c weight (Dan Yocum)
19. 07:42 AM - Re: Re: prevent splinters with duct tape (Richard Schreiber)
20. 07:59 AM - Re: NX929DH progress report (kevinpurtee)
21. 08:23 AM - Re: couple of new guy questions... (kevinpurtee)
22. 08:34 AM - Re: Re: prevent splinters with duct tape (Ryan Mueller)
23. 08:44 AM - Re: couple of new guy questions... (dgaldrich)
24. 11:38 AM - Re: elt regulations (Dick Dery)
25. 12:05 PM - Re: What Prop is on your A-75? (ldmill)
26. 01:27 PM - Re: prevent splinters with duct tape (Kringle)
27. 01:52 PM - Re: Re: prevent splinters with duct tape (Dan Yocum)
28. 02:57 PM - Re: prevent splinters with duct tape (Kringle)
29. 04:01 PM - Re: Tail weight (skellytown flyer)
30. 05:25 PM - Re: Re: prevent splinters with duct tape (Dan Yocum)
31. 07:03 PM - Propping a Corvair (skellytown flyer)
32. 07:27 PM - Re: Propping a Corvair (kevinpurtee)
33. 08:28 PM - gluing the fuselage (bcolleran)
34. 09:28 PM - Re: Re: Propping a Corvair (Ryan Mueller)
Message 1
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Subject: | Re: couple of new guy questions... |
J-dunavin, (we use first names on this forum :O)
I just kept watching ebay for vintage instruments that come up for sale pe
riodically. You have to have the money when the time is right because othe
rs are doing the same thing. But do not bid it up unnessesarily- I would
recommend using a bidding service such as Powersnipe,com that automatical
ly bids at the last second.
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: j_dunavin <j_dunavin@hotmail.com>
Sent: Tue, Jun 22, 2010 11:28 pm
Subject: Pietenpol-List: Re: couple of new guy questions...
also.. anyone know where i can buy vintage looking instruments?
ead this topic online here:
http://forums.matronics.com/viewtopic.php?p=302160#302160
========================
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Message 2
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Subject: | Re: couple of new guy questions... |
Try being first in line on Tuesday morning at the Aeromart tent at Oshkosh
. When they open the gate it is every man for himself, kind of like the cr
azy people that wait all night in line at Walmart on Black Friday. But ser
iously, there is a LOT of good stuff in there every year, including some
really neat vintage instruments sometimes.
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: j_dunavin <j_dunavin@hotmail.com>
Sent: Tue, Jun 22, 2010 11:28 pm
Subject: Pietenpol-List: Re: couple of new guy questions...
also.. anyone know where i can buy vintage looking instruments?
ead this topic online here:
http://forums.matronics.com/viewtopic.php?p=302160#302160
========================
===========
-= - The Pietenpol-List Email Forum -
-= Use the Matronics List Features Navigator to browse
-= the many List utilities such as List Un/Subscription,
-= Archive Search & Download, 7-Day Browse, Chat, FAQ,
-= Photoshare, and much much more:
-
-= --> http://www.matronics.com/Navigator?Pietenpol-List
-
-========================
========================
===========
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-= Same great content also available via the Web Forums!
-
-= --> http://forums.matronics.com
-
-========================
========================
===========
-= - List Contribution Web Site -
-= Thank you for your generous support!
-= -Matt Dralle, List Admin.
-= --> http://www.matronics.com/contribution
-========================
========================
===========
Message 3
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Subject: | Re: couple of new guy questions... |
Very nice panel there, dan.
And poplar grove isn't too far away from me...as I work in Rockford.
Thanks for the other info as well, but what about the corvair performance numbers??
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302184#302184
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Subject: | Re: prevent splinters with duct tape |
Does the duct tape leave any residue that may hinder the glue strength? I am
guessing not, but I don't know.
Alternatively, ShopNotes magazine suggests a two pass method to
reduce/elminate splintering. Raise the table saw blade just enough to cut
through one ply only on the first pass. Then raise it to cut through the
material on the second pass.
Ameet Savant
Omaha, NE
On Tue, Jun 22, 2010 at 11:16 PM, Dan Yocum <yocum@fnal.gov> wrote:
> I believe Mr. Kringle asked about preventing splinters in plywood.
>
> Today I cut a few hundred gusset pieces by first ripping long 7/8" wide
> strips (with the grain - no splinters), then stacking them up and duct
> taping them together with looong strips of duct tape. I only applied tape
> to the rear side of the stack which is where the ply likes to splinter.
> Voila! No splinters (well, considerably fewer).
>
> I also use a circular saw blade with 60 teeth - considerably more than a
> normal table saw blade.
>
> So, there ya go. Is there nothing duct tape can't be used for?
> Dan
>
> PS in the picture you can see some of the pieces I didn't duct tape
> together - splinters!
>
> --
> Dan Yocum
>
>
Message 5
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Subject: | Re: couple of new guy questions... |
This must be an urgent question about the Corvair, since you went with two(!) question
marks. :)
Grab a cup of coffee or three and start reading through all the information at http://www.flycorvair.com. That will keep you occupied for a while, and is the best source for Corvair information, parts, etc in the Corvaircraft community, IMO.
Ryan
On Jun 23, 2010, at 6:23 AM, "j_dunavin" <j_dunavin@hotmail.com> wrote:
>
> Very nice panel there, dan.
> And poplar grove isn't too far away from me...as I work in Rockford.
> Thanks for the other info as well, but what about the corvair performance numbers??
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=302184#302184
>
>
>
>
>
>
>
>
>
>
Message 6
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Subject: | NX929DH progress report |
Hello good people,
Last evening was sublime. It was nice wx with light winds. I took her out
and did some more taxiing all over the airport. Tooled down to Lon Deinst
's (builder of a perfect Art Chester "Jeep" replica that will be judged at
Oshkosh this year) hangar and stopped to visit. I was telling him that I
thought my water temp might be running a little high at 185 degrees. He
called his son Eric who is a full time A & P and is actually the mechanic
for that blue and white Model A Piet that is for sale over at Dekalb (IL)
. I talked to Eric and he told me that the boys at Dekalb are experiencing
220 degrees water temp. So that made me feel a whole lot better about my
situation. BTW Eric is also helping Dan (the man) Yocum with his sick cyl
inder repair. After that, I started her back up (one pull) and continued
on over toward the museum (Vintage Wings and Wheels) and grass runway 17-
35. Ran into Steve Thomas (infamous airport owner of Poplar Grove) and we
stopped to chat and admire the Piet. He took my picture to include in the
airport websight. Started her back up (took two pulls this time) and cont
inued down to the end of the runway (wind was straight down the field) and
gave her some gun. As I was accelerating, I thought I would try to lift
off a little. Got about 3-4 ft. AGL, the wings started to pitch just slig
htly, and I thought Oh yea, now I have to use these (ailerons). Chopped po
wer and came down fine. Good test for the gear and bungee set-up. Repeated
this whole procedure three times. It is funny but even with all my taildr
agger time, I am still so apprehensive (don't say scared) about flying thi
s ship, that I have put my heart and soul into for ten long years. I will
continue down this slow path, getting the feel of her as I go, so that wh
en I really do decide to fly it will be sort of routine.
Only squawks that are materializing are that I am losing the little rubber
pads that I put between the axle and the ash blocks (bottom member of the
wood landing gear struts). So I am going to wrap a larger, piece of rubbe
r around the axle, and then wrap the bungee cords over the top of that, so
the rubber will be caught under the bungees.
At dinner last night it was my turn to give the blessing, and at the end
I thanked God for allowing me to lead such a blessed life, as to do such
frivolous things as build an airplane, and fly it.
Carry ON!!
Dan Helsper
Poplar Grove, IL.
Message 7
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Subject: | Landing gear pads |
Dan,
Many years ago I was working on a project that included horse barns and
stalls. A guy was installing rubber matting in the stalls and had quite a
few scraps that he gave me. Some of the 'scraps' were 3' square, big enough
to use as floor padding in my shop; others were considerably smaller. You
can see in the attachments that this stuff is about 1/2" thick and very
tough.
Free for me is free for you, if you're interested. I haven't figured out an
elegant way of finishing it, but I'm sure you can. Let me know if you are
interested.
BTW.3-4' off the ground counts as a TO, doesn't it?
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(19 ribs down.)
Message 8
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Subject: | Re: NX929DH progress report |
Nice Dan, really nice!
John
Do not archive
In a message dated 6/23/2010 7:47:59 A.M. Eastern Daylight Time,
helspersew@aol.com writes:
Hello good people,
Last evening was sublime. It was nice wx with light winds. I took her out
and did some more taxiing all over the airport. Tooled down to Lon Deinst's
(builder of a perfect Art Chester "Jeep" replica that will be judged at
Oshkosh this year) hangar and stopped to visit. I was telling him that I
thought my water temp might be running a little high at 185 degrees. He called
his son Eric who is a full time A & P and is actually the mechanic for that
blue and white Model A Piet that is for sale over at Dekalb (IL). I talked
to Eric and he told me that the boys at Dekalb are experiencing 220
degrees water temp. So that made me feel a whole lot better about my situation.
BTW Eric is also helping Dan (the man) Yocum with his sick cylinder repair.
After that, I started her back up (one pull) and continued on over toward
the museum (Vintage Wings and Wheels) and grass runway 17-35. Ran into Steve
Thomas (infamous airport owner of Poplar Grove) and we stopped to chat and
admire the Piet. He took my picture to include in the airport websight.
Started her back up (took two pulls this time) and continued down to the end
of the runway (wind was straight down the field) and gave her some gun. As
I was accelerating, I thought I would try to lift off a little. Got about
3-4 ft. AGL, the wings started to pitch just slightly, and I thought Oh yea,
now I have to use these (ailerons). Chopped power and came down fine. Good
test for the gear and bungee set-up. Repeated this whole procedure three
times. It is funny but even with all my taildragger time, I am still so
apprehensive (don't say scared) about flying this ship, that I have put my
heart and soul into for ten long years. I will continue down this slow path,
getting the feel of her as I go, so that when I really do decide to fly it
will be sort of routine.
Only squawks that are materializing are that I am losing the little rubber
pads that I put between the axle and the ash blocks (bottom member of the
wood landing gear struts). So I am going to wrap a larger, piece of rubber
around the axle, and then wrap the bungee cords over the top of that, so
the rubber will be caught under the bungees.
At dinner last night it was my turn to give the blessing, and at the end I
thanked God for allowing me to lead such a blessed life, as to do such
frivolous things as build an airplane, and fly it.
Carry ON!!
Dan Helsper
Poplar Grove, IL.
(http://www.matronics.com/Navigator?Pietenpol-List)
(http://www.matronics.com/contribution)
Message 9
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Subject: | What Prop is on your A-75? |
Ken;
I have a Culver 72x36 on my A75 Air Camper. I'll try to
get some actual performance numbers on it one of these
days and will post them here.
My tach reads high by varying amounts (higher as the RPM
goes up) so I need to check it with the PropTach again
and get a correction table so I won't throw out bad numbers
here.
Oscar Zuniga
Air Camper NX41CC
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 10
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Subject: | performance numbers and stall speeds vs. a/c weight |
Like Mikee, I have found that my Air Camper almost will not
stall with power on. I usually climb it to at least 2500-3000'
to play with stalls and it's always nice and cool up that
high, so I don't know what it will do down low and hot
but in controlled stall testing with power on, I can get
the nose pointed VERY high up and hold it there with the
ASI indicating down in ranges where it is obviously not
accurate (in the low 30s, even high 20s, but with needle
jumping due to buffet or propwash). If I hold 'er steady,
the nose will not drop or bob, and it won't
fall off to either side if I stay on the rudder. Just a
steady mush. It takes a lot of nerve to hold the stick
all the way back and power full on like that though.
I have not tried it with the A75 yet... those experiences
were with the 65.
Oscar Zuniga
Air Camper NX41CC
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 11
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Subject: | Re: FCC bans 121.5 ELTs |
121.5s have been useless for years, too many going off for the FAA to track
down. The 406s must be registered, but I believe you'll be found because of
the GPS tracking. I've been carrying a 406 in my boat and airplanes.
Tim White
----- Original Message -----
From: "Paul N. Peckham" <peckham9@countryspeed.com>
Sent: Monday, June 21, 2010 9:51 PM
Subject: Pietenpol-List: FCC bans 121.5 ELTs
> <peckham9@countryspeed.com>
>
> This just came in a AVwebAlert email. I guess we're having too much fun,
> and federal government can't allow that. I could say more, but the proper
> words needed to describe this FCC action are not printable.
>
> Paul
>
>
> FCC BANS 121.5 ELTS
>
>
> The Federal Communications Commission took the general aviation world by
> surprise when it said in a recent report it will prohibit the sale or use
> of 121.5 MHz emergency locator transmitters, effective in August. The
> Aircraft Electronics Association said it just learned of the new rule
> today, and has begun working with the FAA, FCC and others to allow for
> timely compliance without grounding thousands of general aviation
> aircraft. The 121.5 ELTs are allowed under FAA rules. The FCC said its
> rules have been amended to "prohibit further certification, manufacture,
> importation, sale or use of 121.5 MHz ELTs." The FCC says that if the
> 121.5 units are no longer available, aircraft owners and operators will
> "migrate" to the newer 406.0-406.1 MHz ELTs, which are monitored by
> satellite, while the 121.5 frequency is not. "Were we to permit continued
> marketing and use of 121.5 MHz ELTs ... it would engender the risk that
> aircraft owners and operators would mistakenly rely on those ELTs!
> for the relay of distress alerts," the FCC says. AOPA said today it is
> opposed to the rule change.
>
> "The FCC is making a regulatory change that would impose an extra cost on
> GA operators, without properly communicating with the industry or
> understanding the implications of its action," said AOPA Vice President of
> Regulatory Affairs Rob Hackman. "There is no FAA requirement to replace
> 121.5 MHz units with 406 MHz technology. When two government agencies
> don't coordinate, GA can suffer." The AEA said dealers should refrain from
> selling any new 121.5 MHz ELTs "until further understanding of this new
> prohibition can be understood and a realistic timeline for transition can
> be established."
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=301991#301991
>
>
>
Message 12
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Subject: | Re: NX929DH progress report |
Great report Dan-kinda like waiting for the next day's paper to read the funnies-as
a kid.keeps us wanting a little more. Raymond- do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302200#302200
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Subject: | NX929DH progress report |
Great supper time thanks in prayer Dan-- we are SO fortunate in this country to
be able to build, fly,
and navigate around this land with few real restrictions like they have in SO many
other countries that
make homebuilding and flying them a near impossibility.
Great to hear you're doing some crow hops. I found that actually flying the plane
as you would your Aeronca
Sedan on takeoff and landing is easier than the crow hops. Be prepared for a steeper
approach in your Piet
than your Sedan and much, much less float. I carried a bit more speed than needed
for my first dozen or so
landings so I could get the feel of the airplane in the flare and try to adjust
my height accordingly.
One of the biggest 1st Piet flight things that I wasn't expecting was how LOW you
get in the buttocks to the
ground to touch down compared to airplanes like your Sedan where you sit quite
a bit higher in the saddle.
Most first time Piet pilot landings tend to be about a foot off the ground where
the pilot 'feels' like he
is about to touch down. In the Piet you have to actually pretend that you're
landing without a landing gear.
Pretend like you're trying to grease on the belly of your airplane instead of the
wheels and you'll be surprised
at how good you do. My first few landings were 'drop-in's'.
I didn't put rubber pads under my axle but let the ash bearer do it's thing and
even after 12 years and many
landings there's only a slight indentation where the axle hits.
Mike C.
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Subject: | Re: couple of new guy questions... |
Dan...what variety of wood is your panel made from? Stunning!
Scotty
Australia
--------
Scotty
Tamworth, Australia
Building a Corvair Powered Pietenpol Air Camper
www.scottyspietenpol.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302204#302204
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Subject: | couple of new guy questions... |
Joe,
I used 21" Harley Sportster wheels, with the bearing removed and replaced
with a 1" bearing.
WARNING: Not flight tested; not taxi tested; not taco tested...but I
estimate that I have about 10 miles on it, just rolling it in and out of the
garage!
Gary Boothe
Cool, CA
Pietenpol
WW Corvair Conversion
Tail done, Fuselage on gear
19 ribs done
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of j_dunavin
Sent: Tuesday, June 22, 2010 9:09 PM
Subject: Pietenpol-List: couple of new guy questions...
I tried a search and found a lot of info, but had some specific questions.
1. what are the performance numbers, with a corvair motor. As in fuel burn,
clime rate, cruse, CG issues, the need of a special carb, can i burn 100LL,
ect.?
2. Is there a standard set up for wire wheels and brakes? I've seen talk
about buying this hub here and getting a rim there. Are there a set of known
good motorcycle wheels to use?
3. This may go with question 1, but what about gross weight? I'm concerned
that my dad and I both will not be able to fly in there as he is about 200
and I'm 225. Will we be OK so long as the gross weight does not exceed X
number? Is that number fluid, in that since we will have extra power with
the corvair motor we'll be ok?
4. I've seen a lot of guys use the O200... what are the advantages there?
Thanks for any input
Joe
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302154#302154
Message 16
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Subject: | Re: prevent splinters with duct tape |
I didn't ask about splintering but that is good information. I also understand
that some use an old fashion paper cutter which should prevent splintering.
--------
John
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302212#302212
Message 17
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Subject: | Re: prevent splinters with duct tape |
On 06/23/2010 06:18 AM, Ameet Savant wrote:
> Does the duct tape leave any residue that may hinder the glue strength?
> I am guessing not, but I don't know.
>
> Alternatively, ShopNotes magazine suggests a two pass method to
> reduce/elminate splintering. Raise the table saw blade just enough to
> cut through one ply only on the first pass. Then raise it to cut through
> the material on the second pass.
Possibly. Raising the blade 1/32" of an inch would be an incredible
feat, though!
I tossed the one gusset that got some adhesive stuck to it.
Dan
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
Message 18
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Subject: | Re: performance numbers and stall speeds vs. a/c weight |
On 06/22/2010 09:48 AM, Cuy, Michael D. (GRC-RXD0)[ASRC Aerospace
Corporation] wrote:
> Also for the record I did a full-throttle, level flight run to see where
> I would place in a speed dash with Dan Yocum and would come in
> second place. Max throttle yielded 2350 rpm and 84 mph.
The masses, they are catching up!
Maybe if I use streamlined cables, fair in my gear, drop my seat a
couple inches, slant back the windscreen some more, route the control
cables through the fuselage, shave 1/16" off all the longerons, apply a
shark-skin paint, put dimple tape over everything, and put wheel pants
on 'er I'd be able to eke out another 1/4 - 1/2 mph.
Yeah, that'll hold 'em off!
;-)
do not archive
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
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Subject: | Re: prevent splinters with duct tape |
John,
I cut long strips using a straight edge and a box cutter. The strips varied
in width according to the location of the gussets. I then laid out my
gussets on the strips using a pre-cut pattern. The final trim was done with
a large paper cutter at work. For a few days this was my standard lunch
time diversion.
Using this method there is virtually no waste. You would be surprised at
how much waste is generated by the kerf with saw cuts.
Rick Schreiber
> [Original Message]
> From: Kringle <Mrkringles@msn.com>
> To: <pietenpol-list@matronics.com>
> Date: 6/23/2010 9:01:45 AM
> Subject: Pietenpol-List: Re: prevent splinters with duct tape
>
>
> I didn't ask about splintering but that is good information. I also
understand that some use an old fashion paper cutter which should prevent
splintering.
>
> --------
> John
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=302212#302212
>
>
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Subject: | Re: NX929DH progress report |
Dan - Agree with Mike that the first real takeoff was easier than the tail-up fast
taxiing.
I thumped my first landing. I added 10 mph on final (again, like Mike) and that
helped until I got a better feel for it.
Since you've got a bunch of taildragger time it'll be easy.
I'm delighted for you.
Kevin Purtee
NX899KP
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302224#302224
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Subject: | Re: couple of new guy questions... |
Hi Joe Ive posted reports at 20, 50 and 100 hours which you may find helpful.
Search the archives for kevinpurtee & youll find them.
However, in summary, and in the order you asked:
1) NX899KP (corvair) burns 5.2 gph with just me and 5.8 gph at gross. My range
is limited because I used the standard tank. Im ready to get out after 1:20
anyway. It climbs ~700 fpm at sea level at 75 degrees with just me. Not sure
what the actual rate of climb is at gross but its darn sure better than a C-150
on a hot day. Cruise is 75 mph. CG is not an issue. I extended my engine
mount an inch & moved the wing back 4 inches. My carb is a standard little airplane
carb. I burn 100LL exclusively.
2) No, there are no standard setups for wire wheels. Look at west coast piet pictures
for the various options. I bought my wheels from airdrome aeroplanes,
the tires from JC Whitney, my brake disks from a motorcycle junk yard, and the
brakes from a gokart place. At 115 hours & ~350 landings Im starting to pop
spokes on the brake side of the hub. Suspect thats from the really good brakes.
Im working through that.
3) NX899KP weighs 750 pounds empty and I set the gross at 1200. Its your choice.
I personally would take your dad flying in my plane on a reasonably calm day
and not worry about it. If you build your plane light (unlike mine) you should
be fine.
3) Im no expert on O200s but you cant beat certified for reliability.
Hope this helps,
Kevin Purtee
NX899KP
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http://forums.matronics.com/viewtopic.php?p=302228#302228
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Subject: | Re: prevent splinters with duct tape |
The paper cutter worked great. I picked up an old-school heavy duty
unit pretty cheap from some university's surplus equipment disposal office.
Ryan
On Wed, Jun 23, 2010 at 8:59 AM, Kringle <Mrkringles@msn.com> wrote:
>
> I didn't ask about splintering but that is good information. I also
> understand that some use an old fashion paper cutter which should prevent
> splintering.
>
> --------
> John
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=302212#302212
>
>
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Subject: | Re: couple of new guy questions... |
Hi
If you are seriously considering a Corvair as a power plant, PLEASE talk to William
Wynne at flycorvair.com. Buy his conversion manual and read it cover to
cover. He explains all the good and bad about it and is a character in and of
himself, though he probably would disagree. His customer support is a thing
of beauty if a bit unusual.
If you can get to Brodhead, he'll be there along with a number of other people
who have real actual time behind the engine in Piets. Talk to them to get ground
truth and not anecdotal BS. It's not a perfect engine but I built one anyway.
Sits on my bench ready to run as soon as I can get a stand.
Dave Aldrich
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Subject: | Re: elt regulations |
On 06/22/2010 05:16 PM, shad bell wrote:
> --> Pietenpol-List message posted by: shad
> bell<aviatorbell@yahoo.com>
>
> I haven't read it for a while but I know single place aircraft are
> not required to carry one.
>
> Shad
>
The fact that a Pietenpol is flown without a passenger does not make it
a single-place aircraft. Ask a DAR, or the FAA.
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Subject: | Re: What Prop is on your A-75? |
Hi Dave,
I've got a McCauley 70x38 metal prop. I've not benchmarked my tach rpm since I
got the plane last month - should probably do so to confirm the reading. That
being said, the plane performs quite well and I'm happy with it. I've not measured
climb rate yet, will do so soon. I've wondered if maybe going to a 72x38
would gain anything - but don't want to spend the cash on a test that at best
will have margin improvement I think.
Lorin
--------
Lorin Miller
Waiex N81YX
GN-1 N30PP
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Subject: | Re: prevent splinters with duct tape |
A timely discussion as my first sheet of plywood from Aircraft Spruce came today!
However, I am still waiting for riblett 612 plans and am assuming the gussets
may be of different size and shape.
--------
John
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302270#302270
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Subject: | Re: prevent splinters with duct tape |
Waiting for Riblett 612 plans? Where from? They're online in various
places, including the pietenpol-list archives. Ivan Todorovic posted
them in both pdf and dxf in this thread:
http://forums.matronics.com/viewtopic.php?p=276573&sid=3af2e95b26eefd31b73ec7797816e0a3
Take the pdf to Kinkos and have them print it out on their big printer,
or loft it yourself on red rosin paper from Home Depot, in the flooring
section. The coordinates can be found, here:
http://mikesbabyace.wordpress.com/wings/
The center of the front spar should be 6"1/2 from the LE, if I remember
correctly. The center of the rear spar should be 28 3/4 from the center
of the front spar. I'm using 3/4" thick spars.
You can get away with using 4 sizes of gussets: 360 of 7/8" x 7/8"
square, 480 of 7/8" x 1"1/2, then 60 each of <something> for the LE
piece and 60 each of <something else> for the TE wedge.
Dan
On 06/23/2010 03:25 PM, Kringle wrote:
> --> Pietenpol-List message posted by: "Kringle"<Mrkringles@msn.com>
>
> A timely discussion as my first sheet of plywood from Aircraft Spruce came today!
However, I am still waiting for riblett 612 plans and am assuming the gussets
may be of different size and shape.
>
> --------
> John
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=302270#302270
>
>
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
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Subject: | Re: prevent splinters with duct tape |
Plans ordered from Roman Burkolt.
--------
John
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Tom I got a great fix for you-I'll swap you this Corvair engine and prop for that
85 Continental even up and you can mount it in closer and have a starter to
boot. and I'll prop that old Continental. now how can you turn down a deal like
that! Raymond
Read this topic online here:
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Subject: | Re: prevent splinters with duct tape |
LE to rear of front spar is 7"1/2 not 6"1/2.
--
yocum@gmail.com
On Jun 23, 2010, at 3:52 PM, Dan Yocum <yocum@fnal.gov> wrote:
> Waiting for Riblett 612 plans? Where from? They're online in
> various places, including the pietenpol-list archives. Ivan
> Todorovic posted them in both pdf and dxf in this thread:
>
> http://forums.matronics.com/viewtopic.php?p=276573&sid=3af2e95b26eefd31b73ec7797816e0a3
>
> Take the pdf to Kinkos and have them print it out on their big
> printer, or loft it yourself on red rosin paper from Home Depot, in
> the flooring section. The coordinates can be found, here:
>
> http://mikesbabyace.wordpress.com/wings/
>
> The center of the front spar should be 6"1/2 from the LE, if I
> remember correctly. The center of the rear spar should be 28 3/4
> from the center of the front spar. I'm using 3/4" thick spars.
>
> You can get away with using 4 sizes of gussets: 360 of 7/8" x 7/8"
> square, 480 of 7/8" x 1"1/2, then 60 each of <something> for the LE
> piece and 60 each of <something else> for the TE wedge.
>
> Dan
>
> On 06/23/2010 03:25 PM, Kringle wrote:
>> --> Pietenpol-List message posted by: "Kringle"<Mrkringles@msn.com>
>>
>> A timely discussion as my first sheet of plywood from Aircraft
>> Spruce came today! However, I am still waiting for riblett 612
>> plans and am assuming the gussets may be of different size and shape.
>>
>> --------
>> John
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=302270#302270
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
> --
> Dan Yocum
> Fermilab 630.840.6509
> yocum@fnal.gov, http://fermigrid.fnal.gov
> "I fly because it releases my mind from the tyranny of petty things."
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Subject: | Propping a Corvair |
Have any of you that have the Corvairs with distributors had any luck, or tried
hand propping them? I'm sure it can be done but maybe not nearly as easy as a
magneto engine.
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Subject: | Re: Propping a Corvair |
I've hand propped mind. It's a real pain but it can be done. Great workout.
Kevin Purtee
NX899KP
Read this topic online here:
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Subject: | gluing the fuselage |
OK all I have my entire right side of the fuselage laid out. Do you recommend
gluing the gussets on while it is in the jig or after I pull it out? I know there
are two different sets of gussets for the inside and out. Would really like
to wait and out the big gusset on last so I can work inside the fuselage without
having to crawl and bend.
Bill
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Subject: | Re: Propping a Corvair |
I agree with Kevin. I had the opportunity to prop the Last Original at
Brodhead, and there we're talking a Bernard based conversion with hundreds
of hours on it, not a tight new engine. It was a pain in the ass compared to
the other engines you are likely to be propping on a Piet (i.e. small
Continentals). I've propped a number of different kinds of engines in my
time, and I would put the Corvair in on the "less favored" side. I suppose
the closest analogue I've propped was a Continental O-300, another 6
cylinder.
The Corvair's six cylinders make it more difficult to clearly find one
coming up on compression, and when you swing the prop it is difficult to get
it to turn that far at all before it grinds to a halt. Myself and another
gentleman wore ourselves out on the Last Original before Tom Brown took
mercy on us and showed up the proper technique. He stood in close to the
prop and "choked up" on the blade, moving his hands down closer to the hub.
By giving a good hearty swing with that technique he was able to get much
greater rotation, and eventually got it started.
Obviously the Corvair can be propped. Many have done it, and there are those
that continue to do it with no problem. If they are comfortable with it,
more power to them. When we were pursuing our Corvair I originally wanted a
hand-prop engine, as that was more "old-school" and more aligned with what I
felt a Piet should have. After having the chance to prop a Corvair I gave up
on that notion: it is not something I would want to deal with every time I
go flying.
I want to say William Wynne wrote in his manual or on his website that he
prefers starters on Corvairs because you can just calmly go about your
business preparing to go flying, and when you are ready you just turn the
key/push a button and you can start the engine. You will be in a more
calm/focused/less agitated state of mind than if you had just spend 5
minutes at the prop getting a work out. You can argue that he is just trying
to sell starter setups, but I think there is validity to his point.
Have a good night!
Ryan
On Wed, Jun 23, 2010 at 9:27 PM, kevinpurtee <kevin.purtee@us.army.mil>wrote:
> kevin.purtee@us.army.mil>
>
> I've hand propped mind. It's a real pain but it can be done. Great
> workout.
>
> Kevin Purtee
> NX899KP
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=302321#302321
>
>
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