Today's Message Index:
----------------------
1. 03:45 AM - FW: Re: Johnson Airspeed Indicator (Ed G.)
2. 03:53 AM - Airspeed ind. (Ed G.)
3. 04:13 AM - Oops (Ed G.)
4. 04:22 AM - Oops (Ed G.)
5. 06:57 AM - Re: Hare and Turtle Airspeed (Frank Metcalfe)
6. 07:04 AM - Re: Hare and Turtle Airspeed (Frank Metcalfe)
7. 10:43 AM - enclosed cockpit piet? (Bill Church)
8. 07:43 PM - Re: Hare and Turtle Airspeed (Mike Whaley)
9. 08:43 PM - Re: Hare and Turtle Airspeed (Kip and Beth Gardner)
10. 10:20 PM - Re: Wild Hare and Post Turtle Airspeed (Mike Whaley)
11. 10:20 PM - Re: enclosed cockpit piet? (Mike Whaley)
Message 1
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| Subject: | Re: Johnson Airspeed Indicator |
>From: "Jim Markle" <jim_markle@mindspring.com>
>Reply-To: pietenpol-list@matronics.com
>To: <pietenpol-list@matronics.com>
>Subject: Re: Pietenpol-List: Johnson Airspeed Indicator
>Date: Sat, 18 Dec 2004 09:05:12 -0600
>
>Here's a (small) picture.....
>
>----- Original Message ----- From: <Rcaprd@aol.com>
>To: <pietenpol-list@matronics.com>
>Sent: Friday, December 17, 2004 11:47 PM
>Subject: Re: Pietenpol-List: Johnson Airspeed Indicator
>
>
>>--> Pietenpol-List message posted by: Rcaprd@aol.com
>>
>>In a message dated 12/17/04 10:41:39 AM Central Standard Time,
>>wacopitts@yahoo.com writes:
>>
>><< Clif, is that a brass brazing rod that you used for a spring? >>
>>
>>Not to jump in here, but let me try to describe the Johnson ASI. It uses
>>a
>>.047" music wire, with 2 1/2 coils, and has a leg that is bent
>>perpendicular to
>>lock the coil from rotating, and is inserted into the back plate. The
>>coil
>>is 3/4" in diameter, and is spaced off the backing plate with a threaded
>>thru
>>bushing that is 3/8" long. From the center of the coil, to the tip of the
>>pointer, is 7". The bushing that is in the center of the coil is 3/8"
>>diameter
>>and is about 3/32" long. The bolt is about a #6, and on each side of the
>>coil
>>is a plastic washer that is 7/8" O.D. The coil and pivot point is covered
>>with
>>a molded plastic teardrop shape fairing, and has a slot cut for the
>>pointer
>>to travel in. The sweep of the arc is 70. The backing plate with the
>>indicator markings is .040 aluminum, probably 2024. The numbers are 20
>>thru 90 mph.
>>The angle plate that the relative wind pushes against is 1 1/4" X 2 1/8" X
>>.030" thick, with the pointer is on the 3/8" leg of this angle, which is
>>next to
>>the backing plate. To attach the music wire to the angle plate, it has a
>>small aluminum block that measures 1/4" X 1/4" X 3/4". The .040" wire is
>>drilled
>>thru length wise, and has two #2 (or smaller) set screws to secure the
>>plate,
>>wire, and block.
>>
>>Chuck G.
>>
>>
>>
>>
>>
>>
>>
>>
Message 2
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--> Pietenpol-List message posted by: "Ed G." <flyboy_120@hotmail.com>
Welll I forwarded a detailed message from Jim Markle that I had saved a
while back but forgot to put a subject line on it..It gives a detailed
description of how to make the spring...Hope it's of some help...Ed Do
Not Archive
Message 3
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--> Pietenpol-List message posted by: "Ed G." <flyboy_120@hotmail.com>
After reading it again...I guess that was Chuck Gantzer's description of the
airspeed indicator spring..Sorry Chuck...Didn't mean to put the credit in
the wrong place..Ed Do Not Archive
Message 4
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--> Pietenpol-List message posted by: "Ed G." <flyboy_120@hotmail.com>
After reading the descrition of the airspeed indicator spring I realized it
came from Chuck Gantzer...Gotta give credit where credit is due...Sorry
'bout that Chuck...Ed G. Do not archive and this may be a duplicate message
Message 5
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| Subject: | Hare and Turtle Airspeed |
--> Pietenpol-List message posted by: "Frank Metcalfe" <fmetcalf@bellsouth.net>
Use the wire from a piano hinge. It is strong and will make a great spring.
This is what P.F. Beck used and it works great.
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com]On Behalf Of
clawler@ptd.net
Subject: Pietenpol-List: Hare and Turtle Airspeed
I want to make up and airspeed indicator to mount out on the wing
strut. The body of the unit is no big deal, but I can't find a spring.
Do any of you have any suggestions. Here is a photo of what I want to
do.
Message 6
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| Subject: | Hare and Turtle Airspeed |
Here is a picture of P.F. Becks in operation.
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com]On Behalf Of
clawler@ptd.net
Subject: Pietenpol-List: Hare and Turtle Airspeed
I want to make up and airspeed indicator to mount out on the wing
strut. The body of the unit is no big deal, but I can't find a spring.
Do any of you have any suggestions. Here is a photo of what I want to
do.
Message 7
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| Subject: | enclosed cockpit piet? |
--> Pietenpol-List message posted by: Bill Church <eng@canadianrogers.com>
Stumbled across this on the net.
For those of us in the North who have to live with a short flying season,
and have thought an enclosed cockpit might be a nice feature, this link has
some photos of a Romanian built GN-1 that was modified to incorporate a
cabin (as well as a different engine cowl).
http://www.ultralight.lx.ro/indexen.html
(click on AIRCAMPER GN-1 on the header, then PHOTO)
Now, just change the landing gear to tricycle, and you've got a real
contender for the ugliest "aircamper" ever. Yuck.
I think when the time comes (when I have finished building, and am flying),
I'll just accept a short flying season, or I'll suit up in a snowmobile suit
and big ol' mittens, but there's no way I would consider turning a thing of
beauty into a mess like that.
Bill
do not archive
Message 8
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| Subject: | Re: Hare and Turtle Airspeed |
--> Pietenpol-List message posted by: "Mike Whaley" <MerlinFAC@cfl.rr.com>
I don't get it. I have a dog named Turtle and three bunny rabbits, so I
figured this would be the ideal way to get the whole family involved in the
airplane stuff. I tried gluing the dog to a wire and hanging her outside the
car, but at all speeds between 20 and 80mph where this thing's supposed to
work, she kept wiggling and carrying on so much that I just couldn't get any
good readings. The rabbits were even worse, their ears just flopped so much
at 60mph that the instrument almost blew itself apart. Now neither the dog
nor the rabbits will have anything to do with me. Do I need a real turtle
and a genuine hare for this contraption? Could there be something else that
I'm doing wrong?
Mike Whaley merlin@ov-10bronco.net
Webmaster, OV-10 Bronco Association
http://www.ov-10bronco.net/
Message 9
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<967c104b298b1efcd2e10f7e33c383a3@ptd.net>
<000c01c5494a$534b52a0$f23032cc@CPQ29466173462>
<003101c54a0a$009154e0$ff632141@manticore>
| Subject: | Re: Hare and Turtle Airspeed |
--> Pietenpol-List message posted by: Kip and Beth Gardner <kipandbeth@earthlink.net>
Mike,
I think you need what they call down in Texas a "Post Turtle".
Do Not archive.
Kip Gardner
At 10:45 PM -0400 4/25/05, Mike Whaley wrote:
>--> Pietenpol-List message posted by: "Mike Whaley" <MerlinFAC@cfl.rr.com>
>
>I don't get it. I have a dog named Turtle and three bunny rabbits, so I
>figured this would be the ideal way to get the whole family involved in the
>airplane stuff. I tried gluing the dog to a wire and hanging her outside the
>car, but at all speeds between 20 and 80mph where this thing's supposed to
>work, she kept wiggling and carrying on so much that I just couldn't get any
>good readings. The rabbits were even worse, their ears just flopped so much
>at 60mph that the instrument almost blew itself apart. Now neither the dog
>nor the rabbits will have anything to do with me. Do I need a real turtle
>and a genuine hare for this contraption? Could there be something else that
>I'm doing wrong?
>
>Mike Whaley merlin@ov-10bronco.net
>Webmaster, OV-10 Bronco Association
>http://www.ov-10bronco.net/
>
>
--
North Canton, OH
Message 10
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| Subject: | Re: Wild Hare and Post Turtle Airspeed |
--> Pietenpol-List message posted by: "Mike Whaley" <MerlinFAC@cfl.rr.com>
Had to look up what a "post turtle" was...there's a term that I'm sure will
come in handy in the future!
-Mike
Mike Whaley merlin@ov-10bronco.net
Webmaster, OV-10 Bronco Association
http://www.ov-10bronco.net/
> I think you need what they call down in Texas a "Post Turtle".
Message 11
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| Subject: | Re: enclosed cockpit piet? |
There have been some canopy installations on planes like the Tiger Moth that
haven't looked half bad... here's a couple of photos of a Tigermoth and an
Avro Avian. I always wondered if someone would adapt the idea (properly) to
a Piet. I think that if it was done well, it wouldn't look half bad. Ideally
you'd be able to remove everything but the windshield in 5-10 minutes for
traditional open-cockpit flying. Maybe a mechanism similar to the
quick-release system used on many acro planes... except that the pins
wouldn't be there for quick-release in an emergency, but to allow you to pop
the glass off quickly for open-air flying.
(Of course, here in Florida this stuff is not so much of an issue as for you
guys up north... maybe I'll do a canopy and then use it to keep the air
conditioning inside :)
-M
Mike Whaley merlin@ov-10bronco.net
Webmaster, OV-10 Bronco Association
http://www.ov-10bronco.net/
> some photos of a Romanian built GN-1 that was modified to incorporate a
cabin
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