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Discussion Starter #1
Check out these antiques.

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Man, I love them ol cats!What is that, a Cheetah in the back& ElTigre in foreground?They look mint!I have a 71 Lynx in VGC but the seat is ripping on bottom.
 

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<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>Originally posted by steve:

Man, I love them ol cats!What is that, a Cheetah in the back& ElTigre in foreground?They look mint!I have a 71 Lynx in VGC but the seat is ripping on bottom.

[/quote]

The one in the back is my '76 Panther 440, the one in the front is a '80 Jag 340. I also have a '77 Cheetah 500, but no picture yet.


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Wow, I didnt know wankle made snowmobile engines. That must have been a crazy ride. Those wankles are cool in concept, but talk about noisy, shaky, and ruff on fuel!!

<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>Originally posted by zlrider:

Those old Cats bring back memories.My dad had a 73 Panther 440 and 75 Cheetah 440 that had a Wankel rotarty engine.My brother had a 75 Panther 440 and 71 Puma 340.

zlrider[/quote]


95 XLT Special
88 Saffari 377
89 Saffari Saga 377
 

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<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>Originally posted by intendedacceleration:

I wasn't aware that they made snowmobile engines either.....good look finding somebody to work on them!!


2002 Arctic Cat ZR 800 EFI
1993 Polaris Storm 750
Piped and Clutched[/quote]

Wankels were pretty popular in the 60's and 70's. My father in law had a Johnson with a Wankel Rotary. He says it was a very good machine, with good top-end, great mileage, and good reliability. It was lacking in the low end power, however, since a Wankel engine has almost no power until it winds up.

Last year I went to a place nearby called Sno-Pros. You may have heard of them as they own and operate a Monster truck. Anyway, I needed some parts for my dad's Polaris, and I went down there to pick through there junk pile. In their service shop, I saw one of these old Johnson rotaries being restored. I went over and talked with the mechanic for quite a while, and was checking out the machine. I was very impressed how well built the sled was. Every available option, including reverse, was there. It was a BIG machine. The track must have been 2' wide! I noticed that the machine didn't use a regular snowmobile-type drive system with the variable pitch pulleys for the drive belt. Instead it used a 2-speed transmission with 2 forward gears, neutral and reverse. The transmission was coupled to a centrifigal clutch like a go-cart would have, and the track was driven with a chain. It made sense to me because a Wankel engine has theoretically no redline, so why bother trying to change the drive ratio? Instead, the low gear was meant for pulling heavy loads slowly, and the high gear was your trail cruising gear. Engine RPM dictated your speed, and your drive ratio was constant. The mechanic started the machine for me. It ran smooth and quiet, and made almost no smoke.

I guess there must have been some other issues keeping the Wankel out of future machines, but it sure looked like it could have been a winner if they would have kept going in that direction. Some things die even though they might be better (think of the Tucker automobile!).



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Edited by - Caddywhompus on 14 Nov 2001 09:15:19
 

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One of the parts mahines I used to fix up my ol Lynx had a Wankel rotary engine.I think it was a 303.It was some kind of special thing, but I can't remember just what it was called.Maybe a Lynx series 1, or something.It had a Mikuni carb too.I swapped the carb and hanlebars to another lynx I got rid of.All I had to buy was a carb flange adapter to hook it up to the 292.It ran pretty good, but if you jumped too high sometimes the carb would fall off upon landing.
 

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id like to have a wankel to play with sounds like a good reason to machine my own parts!

Duct tape much like the force... it has a light side, a dark side.... and it holds the world together!
 
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