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US ENGINES 41 - 6/23/2008 10:06:03 PM   
N215PB



Posts: 177
Joined: 4/26/2006
From: PA, PA, USA
Status: offline 		Just bought one of these from a guy, no info on it, who makes it? Is there A website i can download a manual......what size prop for a 41. I can't find any info on it.

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"My wife says if I buy one more airplane she's gonna leave me, Gee I'm gonna miss her"
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RE: US ENGINES 41 - 6/23/2008 10:34:08 PM   
gboulton



Posts: 1862
Joined: 5/28/2005
From: La Vergne, TN, USA
Status: offline 		It was made by US Engines who is, to the best of my knowledge, no longer in business. Certainly, the engine is not made any more.

USQ Aero claims to be building the line, but they don't seem to actually offer any for sale on their website. You can however find a manual for the engine on their site at http://www.usqaero.com/page6.html

As for the engine itself...they are ROCK SOLID workhorses. You almost can't kill the things. They're heavier than many of today's purpose-built engines, but that's not a bad thing in many applications. Larger bipes, warbirds, etc, tend to like some weight in the nose.

They're also very stout critters. My own hauls around a 21+ lb Giant Aeromaster (kit built back in the day when strong > light) with real authority. No, it certainly won't draw unlimited uplines or anything...it has to be flown in a scale fashion...but it certainly has no trouble flying that way. Just yesterday, in fact, I flew that airplane for the first time since last May...and after priming, the old US 41 startd right up on the 3rd flip...after sitting idle for over a year.

Put one in a lighter 12-14 lb airplane, and you'll have 3d power to spare.

As for props, they seem to be happy in the 20" diameter range. I've swung a 20x and 20x8 on mine with no trouble, and it currently swings a 20x10 on the aeromaster...it would probably like a 20x8 a bit better, but it sings the x10 fine, and i like the airplane's performance on it.

Bottom line...you've got a VERY reliable and stout engine there. Find a decent sized airplane (think 80" warbird, 72" bipe, somewhere around there) and it'll provide years of reliable scale performance and never let you down.

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The free man will ask neither what his country can do for him nor what he can do for his country. - Milton Friedman

(in reply to N215PB)
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RE: US ENGINES 41 - 6/24/2008 2:27:46 AM   
khodges


 

Posts: 5091
Joined: 7/3/2003
From: newton, NC, USA
Status: offline 		I don't know if parts will interchange, but it's basically the same as a Quadra 42. gboulton is right, these things are basically truck engines for airplanes. The magneto ignition can make it a tad difficult to start, unless you use an electric starter or have the spring starter for it. It just takes some fast flipping to hand start it, but once running, it'll keep going as long as there's gas. I've had mine for three years, fly a 98" wing Bud Nosen trainer, weighs 22 pounds, and I use a 20-8 prop.

Mine might be trickier to start than most, I don't have a choke.

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Club Saito #2, WACO Brotherhood #20. What other trouble can I get into?

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RE: US ENGINES 41 - 6/24/2008 12:31:00 PM   
eugene


 

Posts: 572
Joined: 6/5/2002
From: Indiana| USA, IN, USA
Status: online
I'll second gboulton's comments....18-10 prop is recommended, but mine seem to like the 20-8 better, also used the Menz 19.5X10
I believe B&B ( Bennett) still handles the parts for the 41, many of the Q-42 parts will also fit...

(in reply to gboulton)
       Post #: 4

RE: US ENGINES 41 - 6/24/2008 2:11:41 PM   
Edwin


 

Posts: 3381
Joined: 2/8/2002
From: Leander, TX, USA
Status: offline 		Second the 18x10 on mine.
Edwin

(in reply to eugene)
       Post #: 5

RE: US ENGINES 41 - 6/24/2008 2:20:42 PM   
gboulton



Posts: 1862
Joined: 5/28/2005
From: La Vergne, TN, USA
Status: offline 		I must agree with some of the comments above...with the magneto ignition, it can be difficult to flip fast enough to start. A spring starter is, imo, the way to go.

Again, it DOES add some weight...but, as mentioned above, not as big an issue if the airplane is chosen correctly.

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The free man will ask neither what his country can do for him nor what he can do for his country. - Milton Friedman

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RE: US ENGINES 41 - 6/24/2008 11:51:34 PM   
N215PB



Posts: 177
Joined: 4/26/2006
From: PA, PA, USA
Status: offline 		So I can order a spring starter from B&B ?

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"My wife says if I buy one more airplane she's gonna leave me, Gee I'm gonna miss her"

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RE: US ENGINES 41 - 6/25/2008 1:15:02 AM   
eugene


 

Posts: 572
Joined: 6/5/2002
From: Indiana| USA, IN, USA
Status: online 		N215PB,
I believe I have a starter in my shop......With your mailing address I'll send it to you....

(in reply to N215PB)
       Post #: 8

RE: US ENGINES 41 - 6/25/2008 1:30:16 AM   
N215PB



Posts: 177
Joined: 4/26/2006
From: PA, PA, USA
Status: offline 		it is

Larry Green
312 Logan Ave
Reading, PA 19610

_____________________________

"My wife says if I buy one more airplane she's gonna leave me, Gee I'm gonna miss her"

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RE: US ENGINES 41 - 6/25/2008 1:43:18 AM   
eugene


 

Posts: 572
Joined: 6/5/2002
From: Indiana| USA, IN, USA
Status: online
Larry, I do have it, I'll drop it in the mail tomorrow.......

(in reply to N215PB)
       Post #: 10

RE: US ENGINES 41 - 6/25/2008 1:45:34 AM   
eugene


 

Posts: 572
Joined: 6/5/2002
From: Indiana| USA, IN, USA
Status: online
Larry, I do have it, I'll drop it in the mail tomorrow to that address..

(in reply to N215PB)
       Post #: 11

RE: US ENGINES 41 - 6/25/2008 4:24:27 AM   
N215PB



Posts: 177
Joined: 4/26/2006
From: PA, PA, USA
Status: offline 		Thanks,


_____________________________

"My wife says if I buy one more airplane she's gonna leave me, Gee I'm gonna miss her"

(in reply to eugene)
       Post #: 12

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