Today's Message Index:
----------------------
1. 06:28 AM - Throttle quadrant plans (Oscar Zuniga)
2. 10:08 AM - Re: Throttle quadrant plans (BARNSTMR@aol.com)
3. 01:10 PM - Re: fuel pressure (Wizzard187@aol.com)
4. 01:40 PM - Re: fuel pressure (Phillips, Jack)
5. 01:50 PM - Re: fuel pressure (walt evans)
6. 04:05 PM - Firewall (TBYH@aol.com)
7. 05:19 PM - Re: fuel pressure (cgalley)
8. 05:38 PM - Lost Foam Gas Tank (Pilots4ETW@wmconnect.com)
9. 06:09 PM - Re: Firewall (cgalley)
10. 06:21 PM - Re: Firewall (Dale Johnson)
Message 1
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| Subject: | Throttle quadrant plans |
--> Pietenpol-List message posted by: "Oscar Zuniga" <taildrags@hotmail.com>
I obviously didn't make the quadrant that's on 41CC (Corky did), but I've
made others. I found that if I played around at the workbench with some
junk materials like plywood and scrap metal to make a mock-up, it's easier
and more satisfying to work out the stroke, travel, and proportions of the
lever than if you sat down and worked out the trigonometry or drew it up in
CAD. If you don't like the throw or travel, you just punch a new pivot
point and try that, or cut out a longer handle and try that. Grab whatever
is handy and start experimenting.
I have a box of miscellaneous hardware that I've picked up from jobsites and
parking lots over many years, and I'm sure all of you do too- so I work out
of that and my scrap bin to do test fits of things, then fabricate the final
item using "real" stuff.
We don't need no stinkin' plans (and I'm an engineer!!)
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 2
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| Subject: | Re: Throttle quadrant plans |
--> Pietenpol-List message posted by: BARNSTMR@aol.com
Max
Hey man. I must apologize for not getting back to you about the throttle plans.
I have been covered up at work and home projects and barely get time to check
my email lately. excuses...excuses...
Lon built the throttle pictured for our pietenpol. It is straight from the Hatz
plans. I will try to scan it soon if I can get his plans from him. There are
some phenolic washers used for a friction adjustment. Anyway... keep after
me and I will get it for you.
Terry
--
Terry L. Bowden
ph 254-715-4773
fax 254-853-3805
Message 3
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| Subject: | Re: tenpol-List:fuel pressure |
Pieters: I have a J3 cub gas tank in the front of my piet with a 75 hp
cont engine and have been running the engine but it craps out when I add
throttle. The books say you should have 1/2 lbs of pressure (19 inches) of head.
I can't see how a j3 cub has ever had this much. With just two gal of gas I
have about 6 inches when sitting with the tail wheel down and my motor cycle
wheels on. I am going to put a 90 degree tube in my gas cap to get some
prop blast and wonder if this will do any good. I have had three different
carbs on and they all act the same.
Still looking for a counter clockwise tach. Has anyone used one of the
new electronic tach on a mag that they really like. Ken Conrad, Long Grove
Iowa
Message 4
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| Subject: | tenpol-List:fuel pressure |
Hi Ken,
The J-3 had the tank sitting a little higher than a Piet does, in
relation to the carburetor. Still, you should be all right. Have you
measured the fuel flow by taking the fuel line off at the carburetor and
time running the fuel into a bucket? I don't know what an A75 burns,
probably a little over 4 gals per hour. You need at least 150% of that
available, so you should be getting at least 6 gals per hour, or a
gallon every ten minutes through your fuel system.
Before going to the trouble of putting the 90 degree tube on your fuel
cap, just try it with the fuel cap off - that will tell you if you have
a venting problem.
If it craps out immediately when you add throttle, it is not a fuel flow
problem because the float chamber (if full) will provide enough fuel for
at least 5 - 10 seconds of full throttle operation. Might be a mixture
problem. Do you know for sure you have the correct jet in the
carburetor? Do you know if the float level is set crrectly? This
critical (assuming you have a Stromberg).
Jack Phillips, PE
Sr. Manager, Disposables Product Development
Clinical Technologies and Services
Cardinal Health
Creedmoor, NC
(919) 528-5212
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
Wizzard187@aol.com
Subject: Re: Pietenpol-List:fuel pressure
Pieters: I have a J3 cub gas tank in the front of my piet with a 75
hp cont engine and have been running the engine but it craps out when I
add throttle. The books say you should have 1/2 lbs of pressure (19
inches) of head. I can't see how a j3 cub has ever had this much. With
just two gal of gas I have about 6 inches when sitting with the tail
wheel down and my motor cycle wheels on. I am going to put a 90
degree tube in my gas cap to get some prop blast and wonder if this will
do any good. I have had three different carbs on and they all act the
same.
Still looking for a counter clockwise tach. Has anyone used one of
the new electronic tach on a mag that they really like. Ken Conrad,
Long Grove Iowa
Message 5
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| Subject: | Re: tenpol-List:fuel pressure |
Ken,
Sound like the problem I had when first setting up the idle mixture screw on my
Stromberg (assuming that's what you have.)
Since the carb doesn't have an accelerator pump . (65 year old equiptment) Had
to keep messing with the screw till I got way to the rich end of idling good.
Even now it may stumble if the throttle is pushed forward too fast.
walt evans
NX140DL
----- Original Message -----
From: Wizzard187@aol.com
To: pietenpol-list@matronics.com
Sent: Tuesday, March 01, 2005 4:09 PM
Subject: Re: Pietenpol-List:fuel pressure
Pieters: I have a J3 cub gas tank in the front of my piet with a 75 hp cont
engine and have been running the engine but it craps out when I add throttle.
The books say you should have 1/2 lbs of pressure (19 inches) of head. I can't
see how a j3 cub has ever had this much. With just two gal of gas I have
about 6 inches when sitting with the tail wheel down and my motor cycle wheels
on. I am going to put a 90 degree tube in my gas cap to get some prop blast
and wonder if this will do any good. I have had three different carbs on
and they all act the same.
Still looking for a counter clockwise tach. Has anyone used one of the new
electronic tach on a mag that they really like. Ken Conrad, Long Grove Iowa
Message 6
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My Piet's basic fuselage structure is finished and I'm writing to ask about
the firewall. What do most Pieters cover their firewall with, i.e. I assume
steel or aluminum? Do you put some of that fireproof fabric in between the metal
and the plywood firewall bulkhead? I'm building a Model A powered Piet so mine
also has the "shelf" area behind the engine...would appreciate any advice.
Many thanks!
Fred B.
Message 7
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| Subject: | Re: tenpol-List:fuel pressure |
Does it change when you raise the tail?
Cy Galley - Chair,
AirVenture Emergency Aircraft Repair
A Service Project of Chapter 75
EAA Safety Programs Editor - TC
EAA Sport Pilot
----- Original Message -----
From: Wizzard187@aol.com
To: pietenpol-list@matronics.com
Sent: Tuesday, March 01, 2005 3:09 PM
Subject: Re: Pietenpol-List:fuel pressure
Pieters: I have a J3 cub gas tank in the front of my piet with a 75 hp cont
engine and have been running the engine but it craps out when I add throttle.
The books say you should have 1/2 lbs of pressure (19 inches) of head. I can't
see how a j3 cub has ever had this much. With just two gal of gas I have
about 6 inches when sitting with the tail wheel down and my motor cycle wheels
on. I am going to put a 90 degree tube in my gas cap to get some prop blast
and wonder if this will do any good. I have had three different carbs on
and they all act the same.
Still looking for a counter clockwise tach. Has anyone used one of the new
electronic tach on a mag that they really like. Ken Conrad, Long Grove Iowa
Message 8
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| Subject: | Lost Foam Gas Tank |
I'm going to build a gas tank for my center section using the lost foam
method. I'm savvy with fiberglass and epoxy but need some info about how to join
the foam parts. Is there a glue for joining the foam walls? And is it eaten away
when the foam is lost?
Thanks,
Roy
Message 9
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Stainless or galvanized steel works well. Aluminum is a no,no! Putting fibra-flax
between the steel and the wood is also recommended. You used to be able to
use asbestos to prevent the heat transfer from the steel to the wood but that
is not PC anymore.
Cy Galley - Chair,
AirVenture Emergency Aircraft Repair
A Service Project of Chapter 75
EAA Safety Programs Editor - TC
EAA Sport Pilot
----- Original Message -----
From: TBYH@aol.com
To: pietenpol-list@matronics.com
Sent: Tuesday, March 01, 2005 6:05 PM
Subject: Pietenpol-List: Firewall
My Piet's basic fuselage structure is finished and I'm writing to ask about the
firewall. What do most Pieters cover their firewall with, i.e. I assume steel
or aluminum? Do you put some of that fireproof fabric in between the metal
and the plywood firewall bulkhead? I'm building a Model A powered Piet so mine
also has the "shelf" area behind the engine...would appreciate any advice.
Many thanks!
Fred B.
Message 10
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s=test1; d=earthlink.net;
b=lwaJ4s5tp6ZxbtlCCFqXT8KJsSLifzfKyNhmFe0nJdP0ic7D5icTSPjfgCjmpJFx;
You can't use aluminum the FAA won't accept it. It has to low melting point.
I used stainless steel that I engin turned. It looks pretty good.
Gal steel wil work and the FAA will accept it.
Dale Mpls,
----- Original Message -----
From:
Subject: Pietenpol-List: Firewall
My Piet's basic fuselage structure is finished and I'm writing to ask about the
firewall. What do most Pieters cover their firewall with, i.e. I assume steel
or aluminum? Do you put some of that fireproof fabric in between the metal and
the plywood firewall bulkhead? I'm building a Model A powered Piet so mine also
has the "shelf" area behind the engine...would appreciate any advice.
Many thanks!
Fred B.
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