Today's Message Index:
----------------------
1. 06:54 AM - Re: Rib Questions (Bill Church)
2. 07:15 AM - Re: Another rib question (Bill Church)
3. 10:37 AM - which airplane will perform better ? (Cuy, Michael D. (GRC-RXD0)[ASRC AEROSPACE CORP])
4. 01:19 PM - Re: which airplane will perform better ? (Billy McCaskill)
5. 01:52 PM - Re: which airplane will perform better ? (Bill Church)
6. 01:58 PM - Re: which airplane will perform better ? (aerocarjake)
7. 02:06 PM - Re: which airplane will perform better ? (K5YAC)
8. 02:50 PM - looking for information (JOSEPH SWITHIN)
9. 04:54 PM - Re: which airplane will perform better ? (Pieti Lowell)
10. 05:22 PM - Re: which airplane will perform better ? (Jack)
11. 05:27 PM - C-65 on eBay (Jack)
12. 05:36 PM - Re: looking for information (K5YAC)
13. 05:45 PM - Re: Re: which airplane will perform better ? (Ben Charvet)
14. 05:58 PM - Re: Rudder Cable Routing (helspersew@aol.com)
15. 06:04 PM - Re: which airplane will perform better ? (helspersew@aol.com)
16. 09:08 PM - seeking advice on tie rods vs cables (Douwe Blumberg)
17. 09:30 PM - Re: which airplane will perform better ? (Dan Yocum)
18. 10:01 PM - Re: seeking advice on tie rods vs cables (Billy McCaskill)
Message 1
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| Subject: | Re: Rib Questions |
Mark,
The thingie should align with the whatzit. :)
Seriously though, for the wing ribs, the grain orientation isn't critical. Either
"A" or "B" should be fine. More important than grain orientation is the grain
runout. Make sure the grain slope is no more than 1:15 (preferably even less)
or you may end up with broken ribs.
The grain orientation in "B" should be slightly easier to curve for the top capstrip.
That's how I did mine.
Now, if you're talking about spars, "B" is the only acceptable grain orientation.
Start cutting.
Bill C.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338134#338134
Message 2
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| Subject: | Re: Another rib question |
Regarding the Pietenpol rib design, the original plans do not show the vertical
uprights adjacent to the spars, but the full-size template (as provided by the
Pietenpol family) DOES have them. I believe that BHP added them to the design
later, to make the wings easier to assemble. Some builders opt to put uprights
on either side of each spar (4 uprights), but this can make assembly more difficult,
since the spar is "trapped" between the two sticks.
Logic would indicate that adding a single upright at each spar is a good idea.
The extra Spruce will account for approximately 3/4 of a pound added to the total
weight of the airplane.
To the best of my knowledge, there is only one Air Camper currently flying with
a Riblett airfoil, but it sure sounds as though there are a lot of ribs being
built. It will be interesting to see how many get airborne in the coming years.
Perhaps then we will be able to better determine how this alternate airfoil
compares with the original Pietenpol airfoil.
Bill C.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338135#338135
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| Subject: | which airplane will perform better ? |
Q: The one with the Riblett or Pietenpol wing ?
A: The plane that has the lightest empty weight.
(surely an oversimplification but you get my drift.)
Message 4
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| Subject: | Re: which airplane will perform better ? |
Perhaps the answer is the lightest one WITH the Riblett airfoil?
Light weight + lower induced drag + better coefficient of lift = win-win situation.
:)
do not archive
--------
Billy McCaskill
Urbana, IL
tail section almost done, starting on ribs soon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338148#338148
Message 5
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| Subject: | Re: which airplane will perform better ? |
A: The one that is finished. :)
BC
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338153#338153
Message 6
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| Subject: | Re: which airplane will perform better ? |
The one who pays for the test...
--------
Jake Schultz - curator,
Newport Way Air Museum (OK, it's just my home)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338154#338154
Message 7
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| Subject: | Re: which airplane will perform better ? |
Bill Church wrote:
> A: The one that is finished. :)
>
> BC
>
> do not archive
Exactly what I was thinking. Another correct answer would be... the one that gets
flown the most.
--------
Mark Chouinard
Wings, Center Section and Empannage framed up - Working on Fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338155#338155
Message 8
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| Subject: | looking for information |
I recently purchased the back issues of the International Pietenpol Association.
On the cover of the 2nd quarter 1978 issue was a photo of a Piet built by the
Emmerson Famliy of Scott, Kansas. Does anyone know these folks, do they still
have the Piet, do they have any photo's I could copy? etc. Any information would
be greatly appreciated.
Joe Swithin
Morris, IL
In the extended discovery phase, hoping to start ribs soon.
Message 9
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| Subject: | Re: which airplane will perform better ? |
You will be amazed, when he who has one and lets you see for yourself.
Pieti Lowell
Since 2004 on my 612
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338164#338164
Message 10
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| Subject: | which airplane will perform better ? |
Mike which one is stuffed with helium filled ping pong balls?
Jack
DSM
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Cuy, Michael
D. (GRC-RXD0)[ASRC AEROSPACE CORP]
Sent: Tuesday, April 26, 2011 12:00 PM
Subject: Pietenpol-List: which airplane will perform better ?
Q: The one with the Riblett or Pietenpol wing ?
A: The plane that has the lightest empty weight.
(surely an oversimplification but you get my drift.)
Message 11
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http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=320690514772&s
sPageName=ADME:B:SS:MOTORS:1123
Jack
DSM
Message 12
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| Subject: | Re: looking for information |
Sorry Joe, I can't offer any information on the people or the aircraft in question.
All I really wanted to say was go ahead and get started... the discovery
phase never ends!
--------
Mark Chouinard
Wings, Center Section and Empannage framed up - Working on Fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338168#338168
Message 13
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| Subject: | Re: which airplane will perform better ? |
Indeed! you guys need to spend more time making sawdust and less time
typing!
Ben
On 4/26/2011 4:50 PM, Bill Church wrote:
> --> Pietenpol-List message posted by: "Bill Church"<billspiet@sympatico.ca>
>
> A: The one that is finished. :)
>
> BC
>
> do not archive
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=338153#338153
>
>
Message 14
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| Subject: | Re: Rudder Cable Routing |
Hi Clif,
I am not near my Piet, so I am working from recollection. As with so many t
hings with my Piet design, I relied on seat-of-the-pants engineering, based
on my schooling and experience (A and P certificate 1976, real life experi
ences in the manufacturing field for 30 years). This was one of those times
that I used the "there is no reason that this won't work" conclusion. :O)
Dan Helsper
Puryear, TN
-----Original Message-----
From: Clif Dawson <cdawson5854@shaw.ca>
Sent: Mon, Apr 25, 2011 10:05 pm
Subject: Re: Pietenpol-List: Rudder Cable Routing
I'm assuming there's less than 3=C2=B0 of direction change,
right?
Clif
Hi Jack,
I didn't think it was necessary to add the pulley. I took a small piece of
phenolic, drilled a hole in it, and glued it to the back side of the seat,
then ran the rudder cable through. There seems to be enough slack in that s
ystem for it to work fine on mine. Very smooth operation with no effort to
move the rudder.
Dan Helsper
Puryear, TN
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Message 15
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| Subject: | Re: which airplane will perform better ? |
This is an under-handed way of trying to make me feel bad, right? (710 LBS
E.W.) I am very sensitive.
do not archive
Dan Helsper
Puryear, TN
.
-----Original Message-----
From: Cuy, Michael D. (GRC-RXD0)[ASRC AEROSPACE CORP] (GRC-RXD0)[ASRC AEROS
PACE
CORP] <michael.d.cuy@nasa.gov>
Sent: Tue, Apr 26, 2011 12:37 pm
Subject: Pietenpol-List: which airplane will perform better ?
Q: The one with the Riblett or Pietenpol wing ?
A: The plane that has the lightest empty weight.
(surely an oversimplification but you get my drift.)
-= - The Pietenpol-List Email Forum -
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-= the many List utilities such as List Un/Subscription,
-= Archive Search & Download, 7-Day Browse, Chat, FAQ,
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Message 16
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| Subject: | seeking advice on tie rods vs cables |
Hey all,
The guy that started my project installed solid (round) tie rods with
threaded end fixtures for the center section and landing gear bracing. I've
just been reading about some flybaby accidents due to flying wires/cables
being replaced with tie rods which directed vibration into the spar fitting
and cracked it.
Though this is a very different application from center section and landing
gear bracing, I thought I'd put it out there to the group. Should I change
to standard cable or leave it?
Douwe
Message 17
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| Subject: | Re: which airplane will perform better ? |
Yours is still lighter than mine, Dan. I think it's lighter than Mike and J
ack's, too.
do not archive
--
Dan Yocum
yocum137@gmail.com
"I fly because it releases my mind from the tyranny of petty things."
On Apr 26, 2011, at 8:01 PM, helspersew@aol.com wrote:
> This is an under-handed way of trying to make me feel bad, right? (710 LBS
E.W.) I am very sensitive.
>
> do not archive
>
> Dan Helsper
> Puryear, TN
> .
>
>
> -----Original Message-----
> From: Cuy, Michael D. (GRC-RXD0)[ASRC AEROSPACE CORP] (GRC-RXD0)[ASRC AERO
SPACE
> CORP] <michael.d.cuy@nasa.gov>
> To: pietenpol-list <pietenpol-list@matronics.com>
> Sent: Tue, Apr 26, 2011 12:37 pm
> Subject: Pietenpol-List: which airplane will perform better ?
>
> Q: The one with the Riblett or Pietenpol wing ?
>
> A: The plane that has the lightest empty weight.
>
>
> (surely an oversimplification but you get my drift.)
>
>
>
>
>
>
>
> " target=_blank>http://www.matronics.com/Navigator?Pietenpol-List
> p://forums.matronics.com
> blank>http://www.matronics.com/contribution
>
>
>
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>
Message 18
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| Subject: | Re: seeking advice on tie rods vs cables |
Douwe,
I guess the answer to that would depend on the diameter of the round rods used
for the tie rods, what they're made of, and if the threads are rolled or cut with
a threading die. If the threads are cut and the rod is plain cold-rolled
steel of 1/8" or 3/16" diameter, I'd be willing to bet that 1/8" aircraft cable
with properly swaged Nicopress fittings will have a higher tensile strength
and would be less likely to break than the steel tie rods... I'd be worried about
the rods breaking at the threads, especially if they are subject to vibration.
That's my $.02, others please jump in and comment too.
--------
Billy McCaskill
Urbana, IL
tail section almost done, starting on ribs soon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=338179#338179
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