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-   -   PLEASE CLOSE THREAD! Which Engine? Mvvs 77 Or Os91fx?? (https://www.rcuniverse.com/forum/3d-flying-82/830914-please-close-thread-engine-mvvs-77-os91fx.html)

flyindustman 06-03-2003 11:22 PM

PLEASE CLOSE THREAD! Which Engine? Mvvs 77 Or Os91fx??
 
HI THERE. I'M JUST WONDERING IF ANYONE HAS COMPARED THESE ENGINES. THE MVVS 77 SAYS IT WILL PULL A 15X4W AT OVER 11K, BUT WILL THE OS91FX PULL THAT SAME PROP AT A HIGHER RPM?? I'M JUST LOOKING FOR SOME INPUTS. I'M LOOKING FOR A GOOD 2STROKE TO GO ON MY RAZZLE3D. THANKS!!

adrian-RCU 06-04-2003 12:58 PM

PLEASE CLOSE THREAD! Which Engine? Mvvs 77 Or Os91fx??
 
we run a 91fx with a14x6 in our razzle, unlimited vertical at any time with great al round response, 10500 on 5%omega

adrian-RCU 06-04-2003 01:01 PM

PLEASE CLOSE THREAD! Which Engine? Mvvs 77 Or Os91fx??
 
1 Attachment(s)
we also modified the wing and she spins much better and the harrier rock has stopped


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