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HomeAircraftHelicopterFuel-Helicopters New or Limited ActivityAvant › O.S 91HZ or 91HZ-R
08-10-2010 02:39 AM  8 years agoPost 1
reverend_john

rrApprentice

Cordova, TN

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Guys, I must say I am in a dilemma. I have the 91HZ on the trex 700 and I do love the engine. I will be installing one of this engine but I want to know if anyone has try the 91HZ-R on their heli? If so please do tell.

if I am not flying heli I am playing Golf

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08-16-2010 03:37 PM  8 years agoPost 2
bkervaski

rrElite Veteran

Birmingham, AL, USA

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The HZ-R is definitely more consistent, so it runs the same the entire flight, I think the standard HZ is smoother.

You really can't go wrong with either, I've tried them both.

Currently, I'm flying the new YS-91 3DS, which is also a great engine.

Really, all of the current generation OS/YS 91's are great choices.

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08-16-2010 03:44 PM  8 years agoPost 3
DS 8717

rrProfessor

Here wishing i was somewhere else

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I have the YS 91 SR 3D on mine and it has tons of power,and its much cheaper than the OS 91 HZ-R.

YOU ONLY LIVE ONCE..IF YOU LIVE IT RIGHT THATS ALL YOU NEED

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