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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › question about parts compatibility between OS50sxh non hyper vs hyper
03-09-2020 06:51 PM  25 days ago
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RaptorMan23

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Sioux City, IA

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question about parts compatibility between OS50sxh non hyper vs hyper
Are any parts interchangeable? I have the older OS50sxh non hyper and have flown on it for 10 years, broke a ring finally last year. Love this engine and really want to stick with it. Parts are impossible to find at least where Ive looked. Any input is greatly appreciated. Thanks!
If you only have to bend over once to pick it up it's a good landing.
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03-09-2020 08:40 PM  25 days ago
JuanRodriguez

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The Villages, Florida

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My understanding (in other words, I’m not sure 🤔) is that the only difference between the two is the head .....

You may be able to confirm by downloading the two manuals and compare part numbers .....

Also , have you tried the search function ?? I see OS 50’s listed for sale from time to time , both a hyper and regular....
Been there, done that and old enough to know better.....
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03-10-2020 04:28 AM  24 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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JuanRodriguez the only difference between the two is the head
/
/

Correct.
Os 50 SX-H hyper (for cilinder head)

Bearing
Rear
Japan NSK 690ZZ ,
15x28x7mm

Front
Japan SMT 7R6,
9.5x22.2x7.1mm
3/8x7/8x9/32 inches.

Piston ring
PN 25303400 50SX,46FX

/
Saludos cordiales,
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03-26-2020 01:06 AM  9 days ago
payne1967

rrElite Veteran

uk

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The Head and carb is the difference
for a quick power increase on the non-hyper you can fit the hyper carb on it
If I remember correctly the ring is the same as the OS46SXH engine
www.alcesterhelicopterclub.bmfa.org
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03-26-2020 01:31 AM  9 days ago
wjvail

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Meridian, Mississippi

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Surf around on the link below. Even if you don't order from Tower, it is a good reference for part numbers. The link provided is for the Hyper but if you look at the part's description carefully, you'll notice most of the parts are not Hyper specific.

Cheers...

https://www.towerhobbies.com/cgi-bi...&I=OSMG1951&P=Z
"Well, nothing bad can happen now."
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