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shaft vs belt drive

rjinaz86323

Active member
Anyone know why Canam decided on a belt drive on Spyder, but a shaft on the Ryker? Was this simply a financial decision?
 
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A lot less parasitic power loss with a belt over a shaft. One reason my poor, old, slow V-Max is so slow is it's shaft drive. Costs 10 to 15 horsepower to the rear wheel.:yikes:
 
Lew I have seen VMaxs converted to Chain drive, it seemed to be an easy conversion. A company in France was making them.
 
Shaft drive is heavier, less efficient and costs more to produce. Having said that, they have come a long way in shaft drives. Their efficiency has come up quite a bit as cost and weight have come down. So, it is less of a tradeoff than it used to be.

The lightest, cheapest and most efficient drive is chain. With the caveat that the chain has to be at the proper tension, properly lubed and both chain and sprockets must be in good condition to achieve this pinnacle.
Next is belt drive.
Shaft drive comes in last.

For maintenance, Shaft Drive comes in first place by a country mile.
Next comes belt drive.
And way behind the pack is chain drive.

It's always a tradeoff.
 
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Anyone know why Canam decided on a belt drive on Spyder, but a shaft on the Ryker? Was this simply a financial decision?

According to the marketing information about the initial Ryker introduction, shaft drive allowed a lower seating position. However, I think it possible that shaft drive also worked better with the CVT and engineering was repurposed from the CanAm quads.
 
No. I think it was to make the Ryker more off-road-worthy.
Not off-road per se, but much better suited for gravel and unimproved roads than the Spyder. It definitely is not off-road like an ATV is. I think it's better to refer to it as off-highway capable.
 
According to the marketing information about the initial Ryker introduction, shaft drive allowed a lower seating position. However, I think it possible that shaft drive also worked better with the CVT and engineering was repurposed from the CanAm quads.

I don't see how a shaft drive would give you a lower seating position. Not saying that's not true. Would be interested to see how it works out on paper.
 
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A lot less parasitic power loss with a belt over a shaft. One reason my poor, old, slow V-Max is so slow is it's shaft drive. Costs 10 to 15 horsepower to the rear wheel.:yikes:

You poor guy having to put up with such a slow doorstop like a "V MAX" hahahahahahaha
 
Not off-road per se, but much better suited for gravel and unimproved roads than the Spyder. It definitely is not off-road like an ATV is. I think it's better to refer to it as off-highway capable.

Agree. A lot of people in the Adventure Rider and Dual Sport Community incorrectly refer to dirt roads and gravel roads as "off road" when it clearly it is off pavement, but not off road.
 
How does that lower ride height? I must be missing something.

I suppose other 'things' can occupy the space between the top run of the belt and swing arm. If(?) the designer chose to put things there, that would otherwise be mounted higher up under the seat, you could reduce the seat height. Pretty long stretch, if you ask me... And, I would probably trade up if a shaft drive were available. There are many loops around me that could be completed with a short gravel road. Less worries, more rides.
 
I suppose other 'things' can occupy the space between the top run of the belt and swing arm. If(?) the designer chose to put things there, that would otherwise be mounted higher up under the seat, you could reduce the seat height. Pretty long stretch, if you ask me... And, I would probably trade up if a shaft drive were available. There are many loops around me that could be completed with a short gravel road. Less worries, more rides.

I googled the subject and got a lot of information. But no mention that I can find about lowering the seating position. The front sprocket is typically smaller than other engine components in that area. And the rear sprocket is certainly smaller than the tire. But, the fact that I can't see it doesn't mean it isn't true.
 
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Well the Gen 1 is 145 hp at the motor but it's a tall, heavy motor. With a Venture crank and a few thousand in machining one could approach the 1330 motor in size and probably 155 to 160 hp with cams a properly flowed head and a compression increase. And in my humble opinion it wouldn't fit and is surprising heavy. Then there the intake and exhaust system of the V-4 motor. Very space intensive on both ends of the motor.

Oh--- did I say it wouldn't fit. Now to the fun part--- V-Boost!! At 6000 RPM, passages open to allow 2 carbs to fill each cylinder like a old 4 barrel carb. AND yes you can feel it, a lot. Maxers have learned how to handle that in mid- turn ( don't move the throttle much ( the passage opening is progressive) .

Another thought might be the Gen. 2 motor :yikes: Almost 200 hp, smaller and lighter. Much more expensive too. But, That kind of HP and one tire to get it to the ground could really be enticing and addicting for us horsepower addelled folks.

Well-- we can dream--------

Lew L
 
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