RGS-based custom

Not my cup of tea but a lot of imagination and engineering skill evident. Therefor, it doesn't qualify as 'Hipster Shit' and the owner shall not be hung!
Should look very special when finished.
 
While I can appreciate the amount of time and effort that has gone into such a project, I'm still wondering how the gearbox belt pulley is fixed to the output shaft given the purely chain-suited original set up. My experience with H-D and Buell belt drives tell me it simply cannot work on a Laverda without very extensive modding and even then, the mainshaft and output bearing won't be up to the job for very long.

Definitely not my cup-o-tea either...

piet
 
sfcpiet said:
While I can appreciate the amount of time and effort that has gone into such a project, I'm still wondering how the gearbox belt pulley is fixed to the output shaft given the purely chain-suited original set up. My experience with H-D and Buell belt drives tell me it simply cannot work on a Laverda without very extensive modding and even then, the mainshaft and output bearing won't be up to the job for very long.

Definitely not my cup-o-tea either...

piet
Click to expand...
Not that it would be my cup of tea in any regards (except maybe for the technical skills to produce it), I wonder if the belt-drive is realy so much more stress to that bearing. I assume the front "sprocket" could be done out of alloy, which would make it much lighter. The belt itself I assume is also much lighter than a 630 or even a 530 chain. The "belt-wheel" or what ever it's called on the rear tire that the belt attaches to could be at least much lighter than the original steel chain wheel. So - what produces so much more stress? the fact that it is a bit more out of center compared to where the center is on the sprocket? For sure that causes more load. But wouldn't that be compensated by the lighter other components? Maybe not, I am not an expert at all, just thinking out loud... :unsure:
 
Fantastic engineering ingenuity and there, far better than lots of recent custom offerings. The verdict on "would I want it" is pretty clear from the comments, but it sure would turn some heads. Lothar, the weight of the components is trivial compared to the torque that the final drive has to transmit. If it had an outrigger bearing like Red's solution it would surely be ok.
 
Tippie said:
Fantastic engineering ingenuity and there, far better than lots of recent custom offerings. The verdict on "would I want it" is pretty clear from the comments, but it sure would turn some heads. Lothar, the weight of the components is trivial compared to the torque that the final drive has to transmit. If it had an outrigger bearing like Red's solution it would surely be ok.
Click to expand...
OK, thanks, got you. Yes, was thinking of that, too, but maybe to much afford to create the main gearbox shaft new, as I think one of the gears is integral part of it IIRC. But again - no expert at all here, just curious to learn
 
sfcpiet said:
While I can appreciate the amount of time and effort that has gone into such a project, I'm still wondering how the gearbox belt pulley is fixed to the output shaft given the purely chain-suited original set up. My experience with H-D and Buell belt drives tell me it simply cannot work on a Laverda without very extensive modding and even then, the mainshaft and output bearing won't be up to the job for very long.

Definitely not my cup-o-tea either...

piet
Click to expand...
I'm sure Steve keeps the bike in his shop, Piet, so I'll have a ride over and see what I can find. He always welcomes a chat and I've not seen him for a while either.
Let's see whether style has taken precedence over engineering..... ;-)

Alan
 
All this talk of cups of tea. I think I'll put the kettle on.

The bike is another triumph of form over function. Seems a shame to waste all those engineering skills on to create something that's basically a shit motorcycle. As a work of art it may have merit, but I'm not an art critic.
 
Are those exhaust pipes over the top of the engine some kind of flexible metal?
They don't look like any of the flexible stainless options I've seen. They're always spirally wound.
Those things on the bike look scarily like rubber hose.
 
Dellortoman said:
Are those exhaust pipes over the top of the engine some kind of flexible metal?
They don't look like any of the flexible stainless options I've seen. They're always spirally wound.
Those things on the bike look scarily like rubber hose.
Click to expand...
They look like steel pipes with exhaust header wrap to me…. They keep the gas hotter for greater turbo efficiency and lessen turbo lag. Also to keep the fuel in the tank from boiling!
 
a14rgs said:
I'm sure Steve keeps the bike in his shop, Piet, so I'll have a ride over and see what I can find. He always welcomes a chat and I've not seen him for a while either.
Let's see whether style has taken precedence over engineering..... ;-)

Alan
Click to expand...
I met him at Calne bike day yesterday. As I was pulling up on the Harris he came over and we had a good chat. Seems like a nice guy.
 
You must log in or register to reply here.
Back
Top