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Ron’s HeliProz South . Century Helicopter . MTA Hobbies

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Align T-REX 600N 700N > T-REX 700N Who is runing the OS 91SZH and do you like it?
 
 
theviper
Senior Heliman
Location: Chandler

I have the YS 91ST4 in my T700 now. I tpulls very well. But was wondering if any of you are running the OS 91SZH puped and what you think? Not interested in Moded OS motors. Just the stock setup?

Do they mount up well? ANy issues with perfoemance?

Thanks,

Viper

Tech Tip of the month: Check all your bearings before you pack it up for winter. Oil = no rust!
08-25-2008 06:38 PM
HOMEPAGE  
 
 
S76 Mech
Elite Veteran
Location: Hatboro, Pennsylvania

I'm running the OS91SZ pumped with a Hatori pipe. It mounts clean. As far as the motor performance itself, I have about 3 gallons thru this motor (keep in mind its used with about 2 cases thru it. Its very finicky with the mid/high needle adjustments. It seems to either be really rich while performing hard manuvuers or it leans out, not much in between. If you search the boards on this motor, they are prone to leaning out and the pumps are suspect to be the culprit. Either way, its okay. But my buddies 700 with the YS SR / SB19 combo seems to pull like a race horse, even though I have not personally flown it.
08-25-2008 07:08 PM
 
 
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Model Rectifier Corp . Heli Wholesaler . 3D Heli Depot

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Align T-REX 600N 700N > T-REX 700N Who is runing the OS 91SZH and do you like it?
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