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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Can the OS 91 HZR back plate w/ sensor socket be used on OS 91 SZ-H ringed
06-16-2014 01:21 PM  4 years agoPost 1
dialarotor

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Traverse City, Michigan

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Want to use the back plate Futaba governor sensor on several OS 91 SZ-H ringed engines I have. There are 3 back covers on Tower's web site. One for the 91sz-h , one for 91 sz-h pumped and finally this one. http://www3.towerhobbies.com/cgi-bi...p?&I=LXBADS&P=7 from the 91 HZ-R.

Will this cover in the picture fit on the 91SZ-H ringed engine.

RapRexSynLog Pilot

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06-18-2014 11:43 PM  4 years agoPost 2
dialarotor

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Traverse City, Michigan

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looks like they will
got the back cover from an HZ and it fit the SZ just perfect only difference in the hole for crankcase pressure.

RapRexSynLog Pilot

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06-19-2014 02:28 AM  4 years agoPost 3
P Johnston

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Ann Arbor MI

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Make sure the backplate has the proper piston clearance on BDC Mike.

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06-19-2014 11:44 AM  4 years agoPost 4
Rob43

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Midland, MI USA

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Hey Mike - missed you at Mt Pleasant this year, dude! Was another great event!

Rob

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