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blabber
Guest
I always thought dukes ran backwards because the gearbox is driven by direct gear,instead of primary chain--ie it runs in opposite direction to crank.
Dellortoman
Hero member
- Location
- Tasmania, Australia
blabber said:
Gearboxes can be set up in different ways, taking the final drive off the mainshaft (like Laverda) in which case the mainshaft must rotate forwards, or the layshaft (like a lot of jap bikes) in which case the mainshaft must rotate backwards, or even with an intermediate shaft between engine and gearbox (like Kawa Z1300) which could go either way. Ducati bevel twins have the final drive sprocket on the mainshaft like Laverda, so you're correct - with a geared primary and drive sprocket on the mainshaft, the engine needs to rotate backwards.
I'll probably get banned from the forum for saying this, but I think Ducati's geared primary is a much better system than Laverda's chain primary.
Cheers,
Cam
VanguardontheLav
Hero member
- Location
- Cambridge, UK
Dellortoman said:
I doubt it, as Laverda probably also thought so, since they used geared primary for the 8-valve twins...
Which way do they rotate?
--
Dick
B
blabber
Guest
The fact that the bevel motor has no chains at all makes it easy to work on,,
except the ignition---apparently.
except the ignition---apparently.
laverdakeith
Hero member
What it lacks in chains it more than compensates for with shims.. 
Keith
Keith
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blabber
Guest
laverdakeith said:What it lacks in chains it more than compensates for with shims..
Keith
Shims-removing the slack out of old girls since 1948.
henry
Hero member
- Location
- bottom left hand corner of germany
VanguardontheLav said:
ha, the bsa bantam ran backwards or forwards - how's that for hi-tech?? the main problem was knowing which way it was running as you kicked it into gear!
laverdakeith
Hero member
I rebuilt a Messerschmitt bubble car engine which was fitted with a Siba Dynastart device with two switchable sets of points, start the engine forwards for forward motion or backwards for reverse. Cool thing to drive.
Keith
Keith
3
3patC
Guest
Have you seen what those things go for Keith? The last two I saw were priced at over ?20000.
laverdakeith
Hero member
Nice things, they were very well made, as you would expect from an aircraft manufacturer I suppose. 20k seems a bit steep but then again people are paying twelve grand for worn out shiney Jotas. Funny old lot.
Keith.
Keith.
D
dja981
Guest
Nice things, they were very well made, as you would expect from an aircraft manufacturer I suppose. 20k seems a bit steep but then again people are paying twelve grand for worn out shiney Jotas. Funny old lot.
Keith.
Don't suppose you have their names and addres?
Dave
Keith.
Don't suppose you have their names and addres?
Dave
B
bob
Guest
VanguardontheLav said:
Dick the crank runs anti clockwise which of course drives the geared clutch clockwise, which turns the countershaft anti clockwise which turns the back wheel. 'course it all depends which side of the machine you're viewing this from....
B
bob
Guest
Those with digital clocks found that their Monty ran backwards as soon as the clock struck midnight on 31st December 1999.
Dellortoman
Hero member
- Location
- Tasmania, Australia
I wonder if they still teach boy scouts to find north using the hands of their watch.
Don't know if the boy scouts do but I have, and they both wear analog watches as it was MY decision. Now I've got 2 kids that can read the time and they have both commented to me that half their friends can't tell the time from an analog clock. Bloody disgusting.....
That's another thread gone west....
That's another thread gone west....
B
bob
Guest
Mind you, my boys know how to operate the remote fo the TV, which is more than I can do.... and they can change the ring tone on my phone, a process which I've never been able to fathom.