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O.S. .55 HZ-H Hyper Ringed Competition Helicopter Engine
[OSM15630]

Average rating: 5 of 5 Stars!

O.S. .55 HZ-H Hyper Ringed Competition Helicopter Engine
Displaying 1 to 3 (of 3 reviews) Result Pages:  1 
Don Barrow/ swashnut - Rating: 5 of 5 Stars! Verified Owner Thursday, April 15, 2010
this new 55 engine from OS is by far more powerful than the 50 hyper. 13.5 degrees pitch no worries. easy to tune runs very smooth with power to spare. all you 50 sized 3D addicts need to try this one for yourself to see what real power is all about! I have two outrage velocity 50's with this motor and also installed a flybarless system from Skukum and i can no longer bog the head. This motor seems to make its best power around 16500 rpm. i highly recommend a good quality tuned pipe to complimen[More…]
1 of 1 customers found this review helpful.
KEVIN KRAPE - Rating: 5 of 5 Stars! Verified Owner Wednesday, January 27, 2010
ALL I CAN SAY IS THIS MOTORS HAS LOTS OF POWER IN MY JS 50 3D UPGRADED FROM HYPER 50 12 DEGREES PITCH CLIMBS LIKE A ROCKET ITS WORTH EVERY PENNY!
1 of 1 customers found this review helpful.
JAMES FARR - Rating: 3 of 5 Stars! Friday, February 18, 2011
A lot of power more power than hyper 50, but bearings don't last very long.
0 of 1 customers found this review helpful.
Displaying 1 to 3 (of 3 reviews) Result Pages:  1 
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O.S. .55 HZ-H Hyper Ringed Competition Helicopter Engine
A lot of power more power than hyper 50, but bearings don't ...
3 of 5 Stars!
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