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Author Topic: Chipmunk Airfoil  (Read 1888 times)

Offline t michael jennings

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Chipmunk Airfoil
« on: January 25, 2010, 03:15:14 PM »
Gentlemen,

Reference:  Stunt News; July/August 2009; Classic Stunt; Bob Hunt; pg 50

The article has a section title:  Before the Chipmunk airfoil.

Is the article referring to the Van Loo Chipmunk, the SIG Chipmunk, or some other Chipmunk?

Is there a difference between the Van Loo Chipmunk and the SIG Chipmunk airfoil?

Thanks for your response.

t michael jennings        n~
Knoxville, TN


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Alan Hahn

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Re: Chipmunk Airfoil
« Reply #1 on: January 25, 2010, 03:48:28 PM »
I don't really know--but that's never stopped me from answering! #^

I believe the VanLoo is a classic "legal" design, but the Super Chipmunk isn't. So my guess is he is referring to the VanLoo one.
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Offline Jim Pollock

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Re: Chipmunk Airfoil
« Reply #2 on: January 25, 2010, 08:43:18 PM »
I think that someone either Tom Dixon or Mike Gretz has stated that the Super Chipmunk wing and the Sig Kit Chipmunk wings are so close as to be interchangeable.  The Van Loo Chipmunk wing was a foam sheeted wing.

Jim Pollock   H^^
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Alan Hahn

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Re: Chipmunk Airfoil
« Reply #3 on: January 26, 2010, 02:39:23 PM »
Actually I did attach at least a part of Mike G.'s Chipmunk story on the Super CHipmunk thread that was on one of these forum topics.

here is the link. Mike's stuff is the pdf link (top one).

http://stunthanger.com/smf/index.php?topic=14630.msg144045#msg144045
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Offline Brian Massey

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Re: Chipmunk Airfoil
« Reply #4 on: February 15, 2010, 05:19:56 PM »
"Are there any plans available for the Chipmonk that show all parts full size? I'd like to build one from scratch, but the kit plans don't have full size drawings of all the parts." Since writing this I checked and found plans from Stuka Stunt Works for both the Van Loo Chipmonk, and Mike Stott’s version as kitted by SIG.

Which has the "better" wing?

Brian
« Last Edit: February 15, 2010, 06:11:55 PM by Brian Massey »
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Offline Jim Pollock

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Re: Chipmunk Airfoil
« Reply #5 on: February 16, 2010, 09:36:51 AM »
Brian,

As I said before, but I haven't checked it myself, Mike Stott's wing was a foamy, cut by I forget who now.  I don't know the dimensions except that I believe it was 55" span.  But the Sig original kit and the Super Chipmunk kit wings are nearly identical.  You can use the Super wing and build the original fuselage and put them together and you have the original Sig kit Chipmunk.  Mike Gretz, please comment if Mike Stott's Chipmunk wing was thicker and by how much?

Thanks in advance

Jim Pollock   H^^
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Offline john e. holliday

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Re: Chipmunk Airfoil
« Reply #6 on: February 16, 2010, 10:19:02 AM »
If I remember right,  Mike was cutting foam wings before Bobby became famous with them.  Don't take my word for it tho.   Z@@ZZZ Z@@ZZZ
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Alan Hahn

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Re: Chipmunk Airfoil
« Reply #7 on: February 16, 2010, 12:10:32 PM »
Isn't the kitted Sig Super Chipmunk smaller than the van Loo original? Not sure about the original Sig kit of the van Loo though.
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Offline Brian Massey

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Re: Chipmunk Airfoil
« Reply #8 on: February 16, 2010, 04:30:54 PM »
The plans for the Van Loo Chipmonk give the wingspan at 55", the Sig Super Chip is 53.5 . . . I think.

Brian
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Offline Jim Pollock

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Re: Chipmunk Airfoil
« Reply #9 on: February 20, 2010, 10:21:05 PM »
As reported by Mike Gretz in another thread somewhere, I forget now but:

The original Van Loo Chipmunk from 1967 was 57" Span
The Mike Stott Chipmunk was 55 1/2"
The Sig Original Kit was 54"
The Sig Super Chipmunk kit is 54 3/8"

Here is the kicker, every one of them used the exact same root and tip rib templates!

Jim Pollock  :o   H^^
« Last Edit: February 22, 2010, 09:56:02 PM by Jim Pollock »
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Offline Ward Van Duzer

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Re: Chipmunk Airfoil
« Reply #10 on: March 09, 2010, 10:47:01 AM »
SIG used to make wing kits. Including the Chip'. Maybe they still do...

But IMHO I like the Cavalier wing more for that size airplane. Yes, I have, and use both!

The Force is the Chip' wing, the Cavalier is the Cav'.


W.
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Offline builditright

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Re: Chipmunk Airfoil
« Reply #11 on: March 27, 2010, 05:34:51 PM »
Quote from: Brian Massey on February 16, 2010, 04:30:54 PM
The plans for the Van Loo Chipmonk give the wingspan at 55", the Sig Super Chip is 53.5 . . . I think.

Brian

very close

according to JVL, his original prototype#3 which I kitted a few years ago was 55. 1/2
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Offline Brian Hampton

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Re: Chipmunk Airfoil
« Reply #12 on: March 29, 2010, 12:29:37 AM »
I have the original M.A.N. plans (which seems to be plan # 77B) drawn up by Al Novotnik and there's no mention of wingspan on it. There's a 6" scale on the plan though, which in my case actually measures 5 15/16", so by measuring the inner and outer wings and taking into account that missing 1/16" the span is 54.6" with a 1.5" difference between inner and outer wings.
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