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O.S. 61 Rear Exhaust Long Stroke Parts - 12/1/2012 2:03 AM   
marvmattporsche


 

Posts: 91
Score: 100
Joined: 10/24/2003
Last Login: 5/18/2013
From: Bowie, MD, USA
Status: offline 		Anybody know where I can find a drive washer?

Thanks!

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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/1/2012 2:16 AM   
PatternPilot



Posts: 1636
Score: 125
Joined: 11/17/2002
Last Login: 5/20/2013
From: Knoxville, TN, USA
Status: offline 		Have you tried tower hobbies? they might have old stock or a current egine with same drive washer. I currently have 2 OS long strokes rebuilding.

scott

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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/1/2012 12:36 PM   
marvmattporsche


 

Posts: 91
Score: 100
Joined: 10/24/2003
Last Login: 5/18/2013
From: Bowie, MD, USA
Status: offline 		I tried tower a few years ago, but will follow up with them again

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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/1/2012 8:47 PM   
lfinney


 

Posts: 809
Score: 105
Joined: 2/19/2008
Last Login: 5/19/2013
From: kuna, ID, USA
Status: online 		search helipro' south under discontinued engines...and a cross check of the OS parts listing will give you a second source as well...they are not unique to the sf/rf series engines

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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/1/2012 11:23 PM   
marvmattporsche


 

Posts: 91
Score: 100
Joined: 10/24/2003
Last Login: 5/18/2013
From: Bowie, MD, USA
Status: offline
quote:

ORIGINAL: lfinney

search helipro' south under discontinued engines...and a cross check of the OS parts listing will give you a second source as well...they are not unique to the sf/rf series engines



Thx u!

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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/1/2012 11:53 PM   
speedracerntrixie


 

Posts: 2377
Score: 189
Joined: 6/7/2010
Last Login: 5/20/2013
From: San Jose, CA, USA
Status: offline 		Does that engine have a collet type drive washer? If so any engine that has the same dia. shaft where the collet rides is a compatable donor. An example of this  is that I once needed one for a Rossi .45 and found that the one off a Saito .82 fit because they both had an 8mm shaft.


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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/2/2012 3:52 AM   
lfinney


 

Posts: 809
Score: 105
Joined: 2/19/2008
Last Login: 5/19/2013
From: kuna, ID, USA
Status: online 		i run several OS heli engines with the OS 4-46 vr-f drive washer and collet....OS heli engines come in at least three different flavors IE length and diameter

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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/2/2012 4:57 AM   
countilaw



Posts: 803
Score: 219
Joined: 1/18/2012
Last Login: 5/20/2013
From: Grand Prairie, TX, USA
Status: offline 		That particular engine uses a    "woodruff key"   and not a collet. 

Frank



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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/2/2012 5:02 AM   
Roguedog



Posts: 785
Score: 105
Joined: 2/12/2007
Last Login: 5/20/2013
From: Norco, CA, USA
Status: offline 		Either one of these should work for an OS 61 RF rear exhaust.
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCL44&P=SM
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCL47&P=SM

This is the replacement drive washer for the following OS engines:
.61 SFN-H w/6B carb                      .61 SFN-H ABC w/6B
.61 SF                                                .61 SX-H Heli SE
.61 RX-H Heli RE                            .61 RFN-H RC
.61 RFN-H ABC RC                        .61 RF

The 61SF or 61RF requires this thrust Washer http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCW52&P=7  Also works on any of the above engines. 

It will also work on OS 61FSR and OS 61VF's sometimes without the addition of the Thrust Washer.

All these engines use a 5/16 prop nut. From .61 to the FT120/160 http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCT59&P=M
-61 SF           -61 RF           -60 FP           -65 LA           -61 FX           -61 SX
-61 RX           -61 LX           -61, 65 and 91 VR series           -91 SX-H
-70/91 Surpass                 -FT120/160 

Regards


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RE: O.S. 61 Rear Exhaust Long Stroke Parts - 12/8/2012 10:06 AM   
marvmattporsche


 

Posts: 91
Score: 100
Joined: 10/24/2003
Last Login: 5/18/2013
From: Bowie, MD, USA
Status: offline
quote:

ORIGINAL: Roguedog

Either one of these should work for an OS 61 RF rear exhaust.
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCL44&P=SM
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCL47&P=SM

This is the replacement drive washer for the following OS engines:
.61 SFN-H w/6B carb                      .61 SFN-H ABC w/6B
.61 SF                                                .61 SX-H Heli SE
.61 RX-H Heli RE                            .61 RFN-H RC
.61 RFN-H ABC RC                        .61 RF

The 61SF or 61RF requires this thrust Washer http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCW52&P=7  Also works on any of the above engines. 

It will also work on OS 61FSR and OS 61VF's sometimes without the addition of the Thrust Washer.

All these engines use a 5/16 prop nut. From .61 to the FT120/160 http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCT59&P=M
-61 SF           -61 RF           -60 FP           -65 LA           -61 FX           -61 SX
-61 RX           -61 LX           -61, 65 and 91 VR series           -91 SX-H
-70/91 Surpass                 -FT120/160 

Regards



Thx Roguedog!

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