AT-6 and G26  
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AT-6 and G26 - 10/24/2005 10:49:27 PM   
Yellowflier


 

Posts: 97
Joined: 6/4/2005
From: Sandwich, MA, USA
Status: offline 		The cowl on the Midwest AT-6 is about 8.5 " in diameter on average ( actually 8.75 down to 8.25 depending on where you measure). I'm thinking of putting in the G26 but wonder if anyone here has done this or could give me rough measurements of the G26 ( center of engine out to the velocity stack on the carb, engine mounts to top of cylinder head excluding the spark plug).

The kit calls for a 91-120 two stroke or 120-160 four stroke and only makes reference to a gas engine in the palns as maybe not needing as much nose weight to balance the plane ( they actually kind of more surround the plans around an OS 108 and a weight box for balance). FWIW, this is an 83" bird, I think a G26 should be fine, but don't know the physical size of one in actual measurments ( I've seen them but never measured).

Just wondering how this might fit in. I have the kit, about ready to start on it, but no engine yet.
David
       Post #: 1

RE: AT-6 and G26 - 10/25/2005 12:37:16 AM   
kenair


 

Posts: 493
Joined: 1/21/2002
From: winnipeg, MB, CANADA
Status: offline 		I bought this Harvard (AT-6) from my buddy after he had a ground loop and did want to fix it. He had a g23 in it and it flew great. He kept the engine so I installed a US35 gasser. I use a bit less lead at the front with the US35 but I must have about a 1.25 pounds of lead.
The a/c flies great, landing are work, full concentration needed or else I get into a bounce mode. Have flown it for two summers now and still in good shape. I am replacing the cowl this winter with a fiberglass one from Aeroglass, the plastic one has too many cracks.

plenty of power with the US 35, the G26 will be fine.

The G23 fits pretty much the same as the US 35 does, some of the bottom of the cowl gets cut away, the carb fits inside the cowl.
hope this helps a bit.
cheers - ken

.

.

< Message edited by kenair -- 10/25/2005 12:39:24 AM >

_____________________________

[link]http://www.upaero.com/[/link]

(in reply to Yellowflier)
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RE: AT-6 and G26 - 10/25/2005 4:29:30 AM   
Taildrager


 

Posts: 921
Joined: 12/5/2001
From: Oregon, IL, USA
Status: offline 		Here is a Fuji 32 in a Midwest T-6

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< Message edited by Taildrager -- 10/25/2005 4:33:10 AM >

(in reply to kenair)
       Post #: 3

RE: AT-6 and G26 - 10/25/2005 10:23:21 AM   
Yellowflier


 

Posts: 97
Joined: 6/4/2005
From: Sandwich, MA, USA
Status: offline 		Thanks much guys, my sperit's are lifted, seeing the photos and hearing the carb fits in is great news ! I knew the bottom of the cowl would need to be cut and also am interested in a glass cowl vs using the plastic one supplied, though that will be good for initial fitting and probably intial flights next spring.

I also would like to build in flaps. I've flown Texans before ( that and the fact I fly mostly yellow colored aiplanes brings about my user name to the forum !!) and know they land hot without flaps. The porpoising on landing being a common result in this airframe.

Great news, G23, US 35, Fuji 32 in use already. I know the G26 will be a good fit.
David

(in reply to kenair)
       Post #: 4

RE: AT-6 and G26 - 10/25/2005 12:34:28 PM   
kenair


 

Posts: 493
Joined: 1/21/2002
From: winnipeg, MB, CANADA
Status: offline 		Great Hobbies.com in PEI carrries the Aero glass cowl http://www.greathobbies.com/scart/productinfo.php3?PartNumber=SWPMID177, nice fiberglass job, the ship to the USA too. prices show in are in cdn $.

My Midwest model has the flaps built, I use them on landing.

The previous owner on my harvard flew in the RCAF and trained on Harvards - Texans, he said they would land them tail wheel first - in a 3 point flare but that does not seem to apply to the AT 6 models we have flown, Midwest and Byron.

We have found that landing the models on the mains with some speed works best for us, the cut back the power.

I am only using a 18x8 prop, helps to slow things down on landing.

_____________________________

[link]http://www.upaero.com/[/link]

(in reply to Yellowflier)
       Post #: 5

RE: AT-6 and G26 - 10/25/2005 8:14:23 PM   
Yellowflier


 

Posts: 97
Joined: 6/4/2005
From: Sandwich, MA, USA
Status: offline 		Thanks again !

I was thinking along the lines of an 18x6 or 16x8 prop, since if you read the specs on the G26 the so called " bench mark " prop is the 16x8 and it say's you can use the 18x6. I've heard the G26s run on an 18x6 and it revs pretty freely, I'm not sure about propping up any more than this though.

I suppose a lot depends on the actual plane regarding engine a prop combos, how much drag there is and weight etc... The T-6 should fly crisp but it's no P-51 either . Well, the main issue is the G26 will fly the plane, I think I found my fit and can worry about props next year.
David

(in reply to kenair)
       Post #: 6

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