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Old 09-28-2012, 11:36 AM   #16
snowhawk jockey
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Joined: Jul 2005
Location: The other Center of the Universe: Bend, Oregon
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Hydra drive isn't the answer...
Running a primary and secondary off a 600 twin sled motor isn't the space issue you will have: it is the pipe!
Been playing with Hawks and conversions since they were born.
Gimme a PM and we can cover what has been done and how you can benefit from the "research"!
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Old 09-28-2012, 12:46 PM   #17
HapHazard
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I've always found the "snowbike" concept interesting, from back in the days of the old Chrysler Marine "Sno Runner".



The Mountain Horse website was very interesting, http://www.timbersled.com/sbreviews.htm especially the customer comments, a few of which said that you have to have over 500cc power or you'll be unhappy. Some happy folks have KTM530's and 690's.

I'm with dave186 - make it a 613 and you'll have something that will still be a dirt bike, too. Frankensteining it out with some shade tree powertrain would probably make a great money pit but not much else.
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Old 09-28-2012, 07:49 PM   #18
dave186
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If the 613 isnt enough power, the guys at 2moto used to have a Husaberg 650 with a turbo on it

I hadnt thought of the banshee motor, it should fit relatively well and has a transmission. but as already mentioned where you gonna put twin pipes?
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Old 09-30-2012, 08:38 AM   #19
scapegoat
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Recall Suzuki's Falcorustyco?
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Old 09-30-2012, 09:04 PM   #20
P B G
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I am still not grasping what is so hard with sled clutches?

All sleds I'm aware of have an engine mounted primary, with a secondary on a jack shaft. The jackshaft goes across to the chain case. And then a chain runs to the paddle wheel for the track drive.

If you take the engine, and jackshaft, ditch the chain case, you should be able to mount the engine where you want it, locate the jackshaft where the separation is correct, then attach the appropriate length of chain to drive the thing.

Won't be pretty though, and you'll need to keep the belts dry.
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Old 10-02-2012, 03:09 PM   #21
nbsdave
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You may get ideas if you check into large commercial lawn mowers that use a hydro-staitc drive.
The large ones are diesel powered and , in this area, run hard 10 hrs. a day.
Then again, look at earth moving machinery, they're almost all hydraulic driven, but the tranmission may be a tad heavy.
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Old 10-02-2012, 06:55 PM   #22
P B G
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Quote:
Originally Posted by nbsdave View Post
You may get ideas if you check into large commercial lawn mowers that use a hydro-staitc drive.
The large ones are diesel powered and , in this area, run hard 10 hrs. a day.
Then again, look at earth moving machinery, they're almost all hydraulic driven, but the tranmission may be a tad heavy.

Ya both of those situations want good low speed operation, fast shift between forwards and backwards motion (which sleds almost never go backwards). And in the case of earth moving equipment, not having any "slip" in the drivetrain (clutch/belt engagement) makes sure you don't wear out components too fast.
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