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Old Feb 11, 2005, 11:31 PM
Maker of Sawdust
forresterace's Avatar
Richmond Hill, Ontario
Joined Mar 2001
86 Posts
Corben Baby Ace - almost completed

Here are a few pictures of my scratch-built Baby Ace. It is 34" span and is powered by an IPS geared motor. My intention is to use a Kokam 340 mahr 2S1P battery pack which should give an A.U.W. of 8 oz.
I do have plans to kit this model when development is complete. The wing/struts are fully demountable.


Doug Forrester
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Old Feb 11, 2005, 11:51 PM
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theKM's Avatar
central PA.
Joined Sep 2004
20,246 Posts
oh... wow... that is... a really nice model!

...simply awesome, and a wonderful example of the craft!. Be proud.
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Old Feb 12, 2005, 01:07 PM
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Keremeos, BC Canada
Joined Mar 2004
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Corben? I'm just cutting wood for a Corben Ace, and it's nothing like that; I have a Peck Baby Ace kit that does though, but I think it's Upton...

My Corben has the wing anchored to the top of the fuse; much easier than the cabane arrangement (lazy, I know).

Nice model, by the way!!
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Old Feb 12, 2005, 01:30 PM
Light and floaty does it
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Cambridge, Great Britain (UK)
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Awww... that is SOOOOO pretty! Lovely!
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Old Feb 12, 2005, 01:32 PM
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United States, MI, Temperance
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Quote:
Originally Posted by TLyttle
Corben? I'm just cutting wood for a Corben Ace, and it's nothing like that; I have a Peck Baby Ace kit that does though, but I think it's Upton...

My Corben has the wing anchored to the top of the fuse; much easier than the cabane arrangement (lazy, I know).

Nice model, by the way!!
I'm building a Peck Corbin Baby Ace right now. There are 2 of them going in the Dime/Walnut scale cookup over in the Indoor/Micro forum.

Lazy TLyttle? Or smart? Because I'm working on the cabanes today
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Old Feb 12, 2005, 01:39 PM
Maker of Sawdust
forresterace's Avatar
Richmond Hill, Ontario
Joined Mar 2001
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TLyttle
I think you are referring to the Corben Super Ace (1935) which featured an inline Ford Model A engine and a fuselage-mounted wing , as you mentioned.

http://modelingmadness.com/reviews/civil/stanleysa.htm

Doug Forrester
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Old Feb 12, 2005, 02:24 PM
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United States, VA, Chesterfield
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really nice! hope it flies well.

Pat
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Old Feb 12, 2005, 05:20 PM
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Norfolk, England
Joined Sep 2001
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Doug,
Beautiful little model, I've been tempted. I have a peanut plan of this one for reference and will base a 400 (maybe) powered design on it. Love your colour scheme, is it scale?

I also have a plan of the Corben Baby Ace, this particular version being listed as the EAA Baby Ace. A variant, presumably. Simpler, and to my mind nicer looking.

Pete
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Old Feb 12, 2005, 06:13 PM
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Richmond Hill, Ontario
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Thank you all, for the compliments
I built the Peck walnut scale kit twenty years ago and have always had a passion for the design (and all other parasol wing types) since.

Pete
Paul Poberezny bought the remaining assets and rights to the Corben Aircraft Co. in 1952 or 53. Corben had designed the original in the early 1930's. Poberezny made some design updates to the Baby Ace and built the version that I modelled for a 3-issue construction article in Mechanix Illustrated magazine in 1955. Paul also went on to found the E.A.A. in those years. This aircraft now hangs in the EAA Museum in Oshkosh (which I have been fortunate to have been to, twice)

http://www.airventuremuseum.org/coll...Baby%20Ace.asp

Doug
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Old Feb 12, 2005, 08:56 PM
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Keremeos, BC Canada
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Absolutely right, Doug, I just never made the connection; no idea where the Upton name came from...

My Super Ace plan is from 1956, by Charles "Chuck" Wood, a freeflight model, perfect for either diesel or GWS gubbins; still trying to decide, as the PAW with a large prop will sound like the Model A engine!
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Old Feb 12, 2005, 08:57 PM
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United States, IA, Tabor
Joined Aug 2003
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Nice Plane, makes me wish I still had those drawings of the "Corben Super Ace".
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Old Feb 12, 2005, 09:49 PM
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Adelaide, Australia
Joined Apr 2004
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Suberb looking model. Very nice indeed!
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Old Feb 13, 2005, 01:37 AM
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The end of the Oregon trail
Joined Jan 2001
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A beauty for sure. Well done! Looks like it will be a real floater. Good luck with the flight testing, and keep us posted.

Jeff
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Old Feb 13, 2005, 03:08 AM
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Norfolk, England
Joined Sep 2001
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Doug,
Thanks for the link, it was very useful. It's also nice to find someone else as fond of parasol designs as myself, there is just something so appealing about them.
Seeing that name has made me wonder about another model I built some time ago, the Easy Built Pober Pixie. Another very pretty parasol and a super flier. Do you know if 'Pober' is just a more pc way of putting Poberezny?

Pete
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Old Feb 13, 2005, 06:08 PM
Maker of Sawdust
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Richmond Hill, Ontario
Joined Mar 2001
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Pete
Yes, you are correct. The Pober Pixie was designed and built originally by Paul Poberezny in the late 60's. I strongly suspect that its design was a serious upgrade from the Baby Ace (probably in G loads) and it featured full-width ailerons. The cabane strut arrangement looks stronger too.

Baby Ace

Here are a few more photos during construction.
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