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OS 32 SX Aircraft engine

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Old 06-11-2010, 03:52 PM
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_Tommy D
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Default OS 32 SX Aircraft engine

Guys

OS no longer makes the OS 32 SX for Aircraft? My LHS has 1 for heli, and 1 for marine, but none for aircraft?!?

If thats true, do any of you nice guys have one you might like to part with?

Thanks!

Tommy D
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Old 06-11-2010, 06:18 PM
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Default RE: OS 32 SX Aircraft engine

Try this engine, it's a way better buy. http://www3.towerhobbies.com/cgi-bin...?&I=LXKF95&P=0
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Old 06-12-2010, 08:39 AM
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Default RE: OS 32 SX Aircraft engine

As no one answered your question, let's do it. The OS .32 SX has been discontinued. It has been replaced by the OS .35 AX which is more oriented towards large props reportedly.

There are alternatives. The Webra .32 and .36 are equivalent engines in terms of performance, and lighter too.
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Old 06-12-2010, 01:54 PM
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Default RE: OS 32 SX Aircraft engine

I was under the impression the "old" 32 sx was a stroked 25. It weighed 9.5ozs and was rated at 1.2HP.

Had hopes of finding one for a light weight quickie/viper 500 model.

Does anyone know if the motor was ringed or not?

Thanks!
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Old 06-12-2010, 04:27 PM
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Default RE: OS 32 SX Aircraft engine

Not ringed, the OS .32 SX was ABx.
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Old 06-12-2010, 04:50 PM
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Default RE: OS 32 SX Aircraft engine

The OS32 was not ringed. They were a very strong, long running engine. It would be hard to find one in new condition. The viper wont hardly care in terms of flight flight characteristics whether you hang a 25 or the new Evolution 60 NX on the nose. The only difference of course would be speed and fuel consumption. Do see the threads about strength mods for the Viper. Don't spin up a starter motor than slam it into spinner to start. You will break off the firewall as the starter wobbles about the spinner! That's number one cause. Back the prop off compression, center the starter cone then push the switch.
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Old 06-12-2010, 04:53 PM
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Default RE: OS 32 SX Aircraft engine


I got one that has never been ran with a Macs muffler in my Corsair II, but I'd have to be paid dearly to let it go.

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Old 06-12-2010, 07:40 PM
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Default RE: OS 32 SX Aircraft engine


ORIGINAL: AmishWarlord


but I'd have to be paid dearly to let it go.

Your not kidding ! I to have one thats still in it`s box unrun, but i would sell the kids before i would sell this little gem
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Old 06-12-2010, 08:10 PM
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Default RE: OS 32 SX Aircraft engine

Tommy, The 32SX and 28FSR were some of the finest engines OS made, but you might give the OS 35AX a shot. I bought one and love it. Great running engine with lots of power, and the angled needle valve is very nice.
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Old 06-13-2010, 04:35 AM
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Default RE: OS 32 SX Aircraft engine

28FSR ?
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Old 06-13-2010, 04:46 AM
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Default RE: OS 32 SX Aircraft engine

I'd have to agree with the positive feedback about the .32 SX. The one example I have flown was an absolute jewel - perfect thottling, smooth and lots of top end power. I have not seen an AX .35 but it would have a hard act to follow.
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Old 06-13-2010, 04:54 AM
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Default RE: OS 32 SX Aircraft engine

Yep, the 28 FSR. This engine weighed 9.6 oz with muffler and put out over .9 horsepower. Had a great idle too and I had five of them. Used two on my 13 lb Twin Otter that is on my avatar. Dual ball bearings, ABC, and was just plain bullet-proof. I like the 32SX as well which is newer. The 28FSR came out around 1985 I think but never got very popular for some reason.
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Old 06-13-2010, 05:40 AM
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Default RE: OS 32 SX Aircraft engine


ORIGINAL: thailazer

...The 28FSR came out around 1985 I think but never got very popular for some reason.

Because they where the same price as a K&B 61?

When people think "Small" the also think "Cheap"

There where probably 1,000 people that went for 25 FPs for every 28FSR sold.
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Old 06-13-2010, 07:28 AM
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Default RE: OS 32 SX Aircraft engine

Amishwarlord, You are right there! The FP didn't have anywhere close to the quality and performance though.
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Old 06-13-2010, 07:48 AM
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Default RE: OS 32 SX Aircraft engine


ORIGINAL: Strykaas

Not ringed, the OS .32 SX was ABx.


You could buy a ringed version later on. I had one NIB for a while and it was factory produced as a ringed model. Even said so on the box. Wish I had held onto it now. I can't blame anyone for wanting a .32 SX ringed or non ringed, nor the older model, the .32F and .32F-H. Both terrific engines.


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Old 06-13-2010, 10:40 AM
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Default RE: OS 32 SX Aircraft engine

I can only assume that the non-ringed were the norm, as I have never seen a ringed version other than the heli cousin. When I have had two rc engines that were available in ringed or not, what I have typically noted that the ringed type was a tiny bit weaker but it would stay strong longer and more resistant to dust damage than the non-ringed.

There are a lot of great engines available today. Almost any of them proped to the individual engine's sweet spot can be fast as heck in a quickie 500.
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Old 12-03-2010, 06:06 PM
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Default RE: OS 32 SX Aircraft engine

I have 2 Brand new OS .32 SX for Sale. Never run Original box. Make offer
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Old 12-03-2010, 06:44 PM
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Default RE: OS 32 SX Aircraft engine


ORIGINAL: rocketman-RCU

I have 2 Brand new OS .32 SX for Sale. Never run Original box. Make offer
This needs to be posted in the RCU Market place for more than one reason.

It is just a for sale post and they are not allowed in the discussion forums

This will get deleted by tomorrow

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Old 02-14-2019, 07:47 PM
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Default Still have an 0s32sx??

Originally Posted by rocketman-RCU View Post
I have 2 Brand new OS .32 SX for Sale. Never run Original box. Make offer
Do you still have one of these engines?? Text me if you do I'd like to buy.. 8175266917
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Old 02-15-2019, 05:11 AM
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That was one fine engine!
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