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Does it have a Clutch?

Matronics Email Lists Forum Index -> RotaxEngines-List

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lgold(at)quantum-associat
Guest

Posted: Thu Mar 20, 2008 3:03 pm Post subject: Does it have a Clutch?

How can I find out  if my 912ULS includes a clutch? I understand that Rotax started  including them with all 912s about the time my engine was purchased, about  4-years ago. Since I purchased it, unused, with my Zenith kit (it now has  about 25 hours on it) I never got any documentation about this. I have been  told that, with a clutch, the engine would do a lot better in a prop  strike. 

 The engine's SR is   5643233.

  

 Thanks,

Les

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docyukon(at)ptcnet.net
Guest

Posted: Thu Mar 20, 2008 3:37 pm Post subject: Does it have a Clutch?

Les You can tell by the part# of the gearbox,  the # will be stamped on the top of the gearbox.  888-560 = no  clutch  887-712 = with  clutch.         If your # is other, I  can probably cross check.   Doc

 [quote]   ---

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lgold(at)quantum-associat
Guest

Posted: Thu Mar 20, 2008 6:06 pm Post subject: Does it have a Clutch?

Thanks Doc, 

 I'll check the number next time I'm at the  airport.

 Les



 [quote]         From:    owner-rotaxengines-list-server(at)matronics.com    [mailto:owner-rotaxengines-list-server(at)matronics.com] On Behalf Of Bill    and Marsha

Sent: Thursday, March 20, 2008 4:33 PM

To:    rotaxengines-list(at)matronics.com

Subject: Re: Does    it have a Clutch?

   

    Les You can tell by the part# of the    gearbox, the # will be stamped on the top of the gearbox.  888-560 = no    clutch  887-712 = with    clutch.         If your # is other, I    can probably cross check.   Doc

   [quote]     ---

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lgold(at)quantum-associat
Guest

Posted: Fri Mar 21, 2008 10:03 pm Post subject: Does it have a Clutch?

Doc,

 My gearbox part number is 887-703. Clutch, or no clutch?  ....and how do you find this information?

 Thanks,

 Les



 [quote]         From:    owner-rotaxengines-list-server(at)matronics.com    [mailto:owner-rotaxengines-list-server(at)matronics.com] On Behalf Of Bill    and Marsha

Sent: Thursday, March 20, 2008 4:33 PM

To:    rotaxengines-list(at)matronics.com

Subject: Re: Does    it have a Clutch?

   

    Les You can tell by the part# of the    gearbox, the # will be stamped on the top of the gearbox.  888-560 = no    clutch  887-712 = with    clutch.         If your # is other, I    can probably cross check.   Doc

   [quote]     ---

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Thom Riddle

Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)

Posted: Sun Mar 23, 2008 11:36 am Post subject: Re: Does it have a Clutch?

Les,



Look in a Rotax Parts Manual to find the part number and description. I believe (as in not certain) the last three digits indicate various versions of prop shaft depending upon whether or not it has accommodation for options like governor for constant speed props or other variations, including which engine it is for, as in 912UL/A/F/ULS/S or 914UL/F. I also think that the first three numbers, in your case 887, indicate that the gearbox does have a clutch. The 888 series do not have the clutch.

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_________________
Thom Riddle
Buffalo, NY (9G0)

Don't worry about old age... it doesn't last very long.
- Anonymous

lgold(at)quantum-associat
Guest

Posted: Sun Mar 23, 2008 7:35 pm Post subject: Does it have a Clutch?

Thom,

I did look at the parts list and Doc (is email is "Bill and Marsha") also

confirmed that my gear box has a clutch. I guess now I can break a prop or

two without destroying my crank shaft (maybe).

Thank you,

Les 



[quote] --

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