 Fat Tire Question
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Joined: Jan 2005
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Does anyone know if our Triumph Engines will turn an 18 inch rim 300mm wide tire without any serious issues and cruise at highway speed acceptably? This is just a question so I can decide on a future build.
Thanks in advance,
Nukeranger
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Re: Fat Tire Question
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Joined: Jan 2005
Posts: 18,825
"Lighten up, Francis."
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"Lighten up, Francis."
Joined: Jan 2005
Posts: 18,825 |
Doubtful. But you'd have to use some sort of jackshaft to space the chain out far enough to clear the wheel. I think Rick Fairless did that on one of those biker build-off shows with an old school Triumph engine. That would allow you to gear it down a bit to turn the tire easier.
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Re: Fat Tire Question
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Yep, I have seen a bike at Strokers in Dallas Texas with an old school Triumph engine. I plan on a jack shaft. Now, I have to decide Rigid or soft tail?
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Re: Fat Tire Question
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Joined: Feb 2007
Posts: 23,225 Likes: 62
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,225 Likes: 62 |
I'm sure it would if you could get the right sprockets to change the gearing. Or find a low profile tire so as not to increase the dia. too much.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: Fat Tire Question
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Joined: Jan 2005
Posts: 18,825
"Lighten up, Francis."
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"Lighten up, Francis."
Joined: Jan 2005
Posts: 18,825 |
Carl Stephens also ran a huge back tire on his Metric Revolution TV bike. But he turbocharged his Speedmaster engine. Don't know how wide the tire was or whether he needed a jackshaft. Can't imagine he didn't need one. 
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Re: Fat Tire Question
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Joined: Jan 2005
Posts: 1,823
Learned Hand
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Learned Hand
Joined: Jan 2005
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Quote:
Does anyone know if our Triumph Engines will turn an 18 inch rim 300mm wide tire without any serious issues and cruise at highway speed acceptably? This is just a question so I can decide on a future build.
Thanks in advance,
Nukeranger
yes here is the post the pic's that was there is gone I remember the pic it look very cool..
web page
Ed 
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Re: Fat Tire Question
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Joined: Jan 2007
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Quote:
Carl Stephens also ran a huge back tire on his Metric Revolution TV bike. But he turbocharged his Speedmaster engine. Don't know how wide the tire was or whether he needed a jackshaft. Can't imagine he didn't need one.
John sorta wonder what the man was a thinkin when he stuck the engine in their back to front 
04 yellow&black Speedmaster+the Money Pit{xj jeep}
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Re: Fat Tire Question
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Probably wanted the intake in front rather than back for the supercharger, air intake, etc. it has up there. Must of mad some of the rest real fun to gin up!
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Re: Fat Tire Question
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Joined: Jan 2005
Posts: 18,825
"Lighten up, Francis."
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"Lighten up, Francis."
Joined: Jan 2005
Posts: 18,825 |
I just think he wanted the chain on the left side. 
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Re: Fat Tire Question
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If you're going to put a back tire that big on I think the only way to go is Rigid.
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Re: Fat Tire Question
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Joined: Feb 2007
Posts: 23,225 Likes: 62
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,225 Likes: 62 |
How did he put the power to the rear wheel on that bike?
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: Fat Tire Question
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Joined: Jan 2005
Posts: 18,825
"Lighten up, Francis."
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"Lighten up, Francis."
Joined: Jan 2005
Posts: 18,825 |
Now that I think about it, I think it was a "friction drive." That would make sense with the engine turned around. One way to get the rear wheel going in the right direction again.
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Re: Fat Tire Question
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Joined: Jan 2005
Posts: 18,825
"Lighten up, Francis."
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"Lighten up, Francis."
Joined: Jan 2005
Posts: 18,825 |
Here you go, from the man himself: http://www.bonnevilleamerica.com/forums/...true#Post148944Unfortunately it looks like Carl is out of the bike business, or at least he's using a different name, since http://www.moonshinesteel.com doesn't go anywhere anymore. Which I'd saved more pictures of his bike.
Last edited by FriarJohn; 01/24/2010 2:31 PM.
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Re: Fat Tire Question
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Joined: Jan 2005
Posts: 18,825
"Lighten up, Francis."
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"Lighten up, Francis."
Joined: Jan 2005
Posts: 18,825 |
Off topic: I was searching for more images of Carl's bike online when I came across a thread on TRat. Sometimes I forget what arrogant snobbish a-holes they have over there.
/rant
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Re: Fat Tire Question
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thanks John gotta love the mans thinking with the friction drive
Benny
04 yellow&black Speedmaster+the Money Pit{xj jeep}
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