Today's Message Index:
----------------------
1. 02:51 AM - Re: trim system (Jack Phillips)
2. 05:01 AM - Re: Airfoil (The Hallsten's)
3. 05:07 AM - Re: trim system (John McNarry)
4. 12:20 PM - Re: trim system (Ken Rickards)
5. 05:43 PM - Re: trim system (Kip & Beth Gardner)
6. 10:04 PM - w/b (Richard Navratril)
Message 1
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--> Pietenpol-List message posted by: "Jack Phillips" <jackphillips@earthlink.net>
Dan,
This is not entirely accurate. The way my trim is set up (based on Mike
Cuy's design) the springs are attached directly to the bellcrank for the
elevators. If the cable from the rear stick to the bellcrank breaks, there
is still the possibility of flying the airplane with the trim. If a cable
breaks between the bellcrank and the elevators, both cables would have to
break before you would totally lose control. If one broke but the other was
intact, in theory you should be able to control the plane with only one
operable elevator. Of course, if the bolt that holds both elevator cables
to the bellcrank comes loose, you in a heap o' trouble.
Jack
--> Pietenpol-List message posted by: ZigoDan@aol.com
The only draw back about Mike Cuys trim system is that if for some strange
reason a cable breaks, or there is loss of stick control to the elevator
there is no back up. That is why on Cessna 150, Champs, Cubs, the trim is a
total different system. You can land a 150, champ, or Cub in an emergency
with trim only.
I have thought about building one elevator with a cockpit controllable tab.
Dan
Message 2
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--> Pietenpol-List message posted by: "The Hallsten's" <hallstenokc@cox.net>
Kevin,
I'm sure your site is just fine, it's on my end. The dang IT
department here has gone crazy with a new filtering software called
"Websense". All angelfire sites are blocked, like Pat Panzera's
Corvaircraft site.
Thanks for sending them separate, I appreciate it.
Kent
> I sent the files to you via email. Hopefully that will work for
you.
> Otherwise you might try a computer somewhere else, some libraries
have a
> setup. There is nothing on my site that should be offensive in a
> professional environment.
>
> Kevin
>
> Do Not Archive
Message 3
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--> Pietenpol-List message posted by: "John McNarry" <jmcnarry@escape.ca>
Dan
My elevator has a controllable tab built in. Haven't figured out exactly how
to operate it but will likely use a Bowden cable.
Shimming the HS would make a lot of sense to establish level flight in
average WB
without needing trim. Almost any trim method will increase drag.
Drag is the Square of the speed so every little bit hurts.
Could send pix to those who ask
John
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com]On Behalf Of
ZigoDan@aol.com
Subject: Re: Pietenpol-List: trim system
--> Pietenpol-List message posted by: ZigoDan@aol.com
The only draw back about Mike Cuys trim system is that if for some strange
reason a cable breaks, or there is loss of stick control to the elevator
there is no back up. That is why on Cessna 150, Champs, Cubs, the trim is a
total different system. You can land a 150, champ, or Cub in an emergency
with trim only.
I have thought about building one elevator with a cockpit controllable tab.
Dan
Message 4
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--> Pietenpol-List message posted by: Ken Rickards <krickards@cvci.com>
Yes John I would like to see how you have done it.
Ken
-----Original Message-----
From: John McNarry [mailto:jmcnarry@escape.ca]
Subject: RE: Pietenpol-List: trim system
--> Pietenpol-List message posted by: "John McNarry" <jmcnarry@escape.ca>
Dan
My elevator has a controllable tab built in. Haven't figured out exactly how
to operate it but will likely use a Bowden cable.
Shimming the HS would make a lot of sense to establish level flight in
average WB
without needing trim. Almost any trim method will increase drag.
Drag is the Square of the speed so every little bit hurts.
Could send pix to those who ask
John
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com]On Behalf Of
ZigoDan@aol.com
Subject: Re: Pietenpol-List: trim system
--> Pietenpol-List message posted by: ZigoDan@aol.com
The only draw back about Mike Cuys trim system is that if for some strange
reason a cable breaks, or there is loss of stick control to the elevator
there is no back up. That is why on Cessna 150, Champs, Cubs, the trim is a
total different system. You can land a 150, champ, or Cub in an emergency
with trim only.
I have thought about building one elevator with a cockpit controllable tab.
Dan
Message 5
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--> Pietenpol-List message posted by: Kip & Beth Gardner <kipandbeth@earthlink.net>
At 8:09 AM -0500 12/11/02, John McNarry wrote:
>--> Pietenpol-List message posted by: "John McNarry" <jmcnarry@escape.ca>
>
>Dan
>My elevator has a controllable tab built in. Haven't figured out exactly how
>to operate it but will likely use a Bowden cable.
>Shimming the HS would make a lot of sense to establish level flight in
>average WB
>without needing trim. Almost any trim method will increase drag.
>Drag is the Square of the speed so every little bit hurts.
>
>Could send pix to those who ask
>
>John
John,
Please send me your pictures, very interested in this.
Cheers!
Kip Gardner
(in the process of discovering that a T&B Indicator I bought for $5 is a
hopeless piece of junk, but not a bad deal for 'recreational & educational'
purposes)
426 Schneider St. SE
North Canton, OH 44720
(330) 494-1775
Message 6
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--> Pietenpol-List message posted by: "Richard Navratril" <horzpool@goldengate.net>
We had a EAA chapter meeting tonight and did a trial w/b on my Piet. I have a
short fuse with an A-65.
I still havent installed the brakes, so I came out with an empty weight of 550
lbs and a c/g of 12.2 with the cabanes raked aft 3.5 in. Does this sound in line
with others?
These figures include installing a 6 gal nose aux. tank empty and a 12 gal. wing
tank.
With this weight I might consider installing a 35 amp battery in the nose (35 lb.)
for a transponder and radio.
Dick
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