Club OS - RC Groups
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Aug 23, 2015, 07:56 AM
Registered User
I TOBOR's Avatar
Discussion

Club OS


I have been searching the Fora for a Club OS, anybody interested in having one. I just acquired an early 1.20 Surpass, I am trying to determine exactly which series it is from. It has some serious compression and turns smoothly. Any Surpass experts just jump in.
My OS list.
LA .15 plain
LA .25 blue
LA .46 Diesel conversion blue
LA .65 Diesel Conversion blue
OS .56 Alpha, new gift from daughter
OS Surpass 1.20
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Aug 23, 2015, 09:22 AM
Registered User
Good typo. A Fora could club the OS. I think the Surpass is a fairly new one. I have a .91 that looks similar. It may be 15 years old or so. I seem to have quite a few OS examples. A few blue and clear LA .10s, .15s, .25s, and .40s, and a crusty blue .46. Some old FSR .40s, FX .46, AX .25 , .46, .55. some older FP .10, .15s, couple .32 SX and an old F .32, maybe a .28. There could be more? SF .46. They give pretty good sevice. Only the one SX .32 is starting to peel, but just a bit at the top. Still might go if I put in a bearing. (got it used as well as most of them)
Aug 23, 2015, 09:34 AM
Dieselized User
gkamysz's Avatar
That's an FS-120S-E. This is the Surpass 1.20 without a pump. OS timeline shows release in 1989, but it was made for a very long time. I'm not sure what the E designation meant as the Surpass II with the pump (actually two versions one with C12 carba nd one with C13) was released a little later.

I'm a big fan of OS four strokes. I have diesel conversions, ignition, my bored over FS-40, and I'm still working on the glow gas FS-120S. I even have several CAD models of engines.
Aug 23, 2015, 09:36 AM
Dieselized User
gkamysz's Avatar
Quote:
Originally Posted by aspeed
Good typo. A Fora could club the OS.
Fora is the plural of forum.
Aug 23, 2015, 10:05 AM
Registered User
earlwb's Avatar
I was thinking about what I have left in OS engines.
OS .10FP
Max .15
Max .20
Max .35
.40FP two of them on a twin
.40LA set up as a diesel
.26 Surpass, two on a twin
.48 Surpass I might have two of them too for a twin project I never started
FS-60 Open rocker four stroke
.70 Surpass
.91 Surpass
FT 1.60 Twin
Aug 23, 2015, 01:28 PM
Registered User
The pope has
46 LA
46 fx
46ax
55ax (x2)
120ax
30 fs
52fs
70fs
I think that's it but I could be wrong . Cheers the pope
Aug 23, 2015, 01:48 PM
Master re-kitter
SRQFlyer's Avatar

OS Club


I rally like my Saitos and Super Tigres, but I must admit I have quite a few OS's also:

2x FP .10
2x FP .15
2x FX .25 on a twin
FS .26 Surpass
FS .30 Surpass
2x SX .32 on a twin
5x SF .61
2x 91 FS
AX .95
1.08
FX 1.60

These all run great - heck, I like all engines!

Jim
Last edited by SRQFlyer; Aug 25, 2015 at 10:16 PM. Reason: really senile - forgot another handful!
Aug 23, 2015, 03:16 PM
Registered User
Quote:
Originally Posted by gkamysz
Fora is the plural of forum.
Yep, you are right, I just checked. Wonder what it means in the Ukrainian language. Just thought, I have a .20 and .30 too. I never really knew I liked them that much.
Aug 23, 2015, 03:26 PM
Registered User
I TOBOR's Avatar
Thankyou gents, we have a beginning, Greg thanks for the FS-1.20S-e mention, I saw that designation several places but didn't put it together with my engine. I only understand the UK language without the rain.

PS, here are a couple of links supplied by a friend in Ct.
http://www.osengines.com/manuals/index.html
http://www.osengines.com/parts/discontinued.html
Last edited by I TOBOR; Aug 23, 2015 at 03:31 PM.
Aug 23, 2015, 04:00 PM
Methanol, The Cool Fuel !
Gary Cee's Avatar
OS :

.48 Slurpass

.61 FX

.91 Slurpass
FT-120 II Gemini
FT -160 Gemini (two of them)


All the two strokes are on the way out .
Aug 23, 2015, 10:20 PM
free HUGS
King of Plane's Avatar
<----loves OS Engines.
Aug 24, 2015, 02:46 AM
Registered User
Reginald's Avatar
The E stands for the Economic version of the 120S without fuelpump and pressure regulated carburettor, a basic suction feed engine dating back to 1992
Aug 24, 2015, 07:25 AM
Registered User
I TOBOR's Avatar
Thanks Reginald, that's usually the best version.
Aug 24, 2015, 08:09 AM
Methanol, The Cool Fuel !
Gary Cee's Avatar
Dave ,
The .61FX just came off the plane . Finally got the last two sroke-cycle off line . Let me know if you want to add that one to your OS collection . Our hangar will be two stroke-cycle free at last !
Aug 24, 2015, 08:39 AM
ARFs Are Me
TomCrump's Avatar
Quote:
Originally Posted by Gary Cee
Dave ,
The .61FX just came off the plane . Finally got the last two sroke-cycle off line . Let me know if you want to add that one to your OS collection . Our hangar will be two stroke-cycle free at last !
I kicked the two stroke habit years ago. I feel better, now.

My OS engines are: .
52 Surpass
.91 Surpass
320 Pegasus


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