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Old 09-14-2015, 04:20 PM   #21 (permalink)
It's all about Diesel
 
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If I could avoid a chain, I would. BTW have you never considered shaft-drive like the BMW R-Series motorcycles?

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Old 09-14-2015, 04:48 PM   #22 (permalink)
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Heavy, complicated, and expensive. I've got it down to 4 bearings on each swing arm, two for swing arm to driveshaft and two...driveshaft to frame, the driveshaft being the swing arm pivot. I am also closely looking at the drive chains being on the inside of the swing arms, simpler... but must have very good differential output shaft alignment with the swing arm pivot axis.
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Old 09-14-2015, 04:53 PM   #23 (permalink)
It's all about Diesel
 
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Indeed.


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Originally Posted by CFECO View Post
I am also closely looking at the drive chains being on the inside of the swing arms, simpler... but must have very good differential output shaft alignment with the swing arm pivot axis.
Why not just getting a chain cover like the one used in some variations of the Honda Cub design?
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Old 09-14-2015, 04:56 PM   #24 (permalink)
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Here is the current swing arm pivot-driveshaft bearing design.
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Old 09-14-2015, 04:58 PM   #25 (permalink)
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Chain Cover? For what reason? I'm not familiar with the Honda Cub, but will look it up now.
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Old 09-14-2015, 05:00 PM   #26 (permalink)
It's all about Diesel
 
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Chain Cover? For what reason?
To keep it sealed in a watertight case, avoiding small debris to adhere to the chain grease and accumulate there, improving the chain useful life.
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Old 09-14-2015, 05:03 PM   #27 (permalink)
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Looks to be simply a "Guard" to keep fingers and sticks out of the chain. Motorcross bikes tend to just chew up and spit out either of those that venture into the chain area. I had a friend who actually ran his ring finger through the primary sprocket of a Yamaha 100. Wasn't pretty, then or ever after.
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Old 09-14-2015, 05:08 PM   #28 (permalink)
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Looks to be simply a "Guard" to keep fingers and sticks out of the chain.
Basically, that's it. Anyway, as one of your goals for the hybrid side-by-side it to keep it silent enough to look at the wildlife from a closer distance, maybe some degree of noise suppression could be listed on the advantages of having a chain cover
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Old 09-14-2015, 05:16 PM   #29 (permalink)
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Here is my current motor choice, somewhat expensive, but Extreme efficiency and power, and only need one of these. The current chief Engineer of these motors is the original inventor of this style Pancake motor. Too bad Briggs and Stratton does not still make these!
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Old 09-15-2015, 12:26 PM   #30 (permalink)
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Quote:
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Anyway, as one of your goals for the hybrid side-by-side it to keep it silent enough to look at the wildlife from a closer distance...
Don't know if that's going to be achievable, though, as you'd still be left with tire noise. In my experience, anyway, most wildlife can hear mountain bike tires, horse hooves, and even normal walking.

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