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qm-15 - 3/9/2009 11:27 PM   
RANIERY


 

Posts: 160
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Joined: 6/9/2003
Last Login: 11/8/2009
From: davie, FL, USA
Status: offline 		hello bob, i got a qm-15 that i'm going to build and i was wondering if any of the jett's 25 size quind of motor would fit in this plane, i now they used to fly them with nelson 15 but i want to put a jett and i know it's not for racing. but want to take it to the limits with a user friendly motor as the jett.
i currently fly qm-40 so i'm not worry about venturis or full throttle take offs.
thanks ray coletto

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RE: qm-15 - 3/10/2009 3:58 AM   
bob27s



Posts: 5179
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Joined: 4/9/2002
Last Login: 11/8/2009
From: Cleveland, OH, USA
Status: offline 		hey there..

YES definately. Lots of folks have built the older QM15 aircraft with everythnig from OS25 power on up. The Jett 30 size engines will fit fine, and the performance will be outstanding!

You will have to accomodate the muffler slightly - should not be a big deal - should fit like a typical QM40 aircraft. Most folks never used the engine side cheek cowl anyway on the QM15 planes.

Firewall may have to move aft and grow in size slightly.

Most of the QM15 planes had a 1.5" spinner - Jett spinner will be a perfect fit.

Its a great combination - definately worth trying.


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RE: qm-15 - 3/10/2009 4:14 PM   
RANIERY


 

Posts: 160
Score: 100
Joined: 6/9/2003
Last Login: 11/8/2009
From: davie, FL, USA
Status: offline 		OK THANKS,
now, i think i will go with the 35. does dub can makes a 35 LX? and probably a venturi for it?
thanks ray coletto

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RE: qm-15 - 3/12/2009 2:40 PM   
bob27s



Posts: 5179
Score: 100
Joined: 4/9/2002
Last Login: 11/8/2009
From: Cleveland, OH, USA
Status: offline 		Yes,

He can make an LX out of the small engines - including the shorter muffler I believe.
If you want a venturi, he can provide that as well.


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Bob Brassell
Jett Engineering - Engine Mfg Support Forum Host

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> Jett Engineering Support >> qm-15
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