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Chain drive gearbox
https://www.ausmini.com/forums/viewtopic.php?f=5&t=55270		 Page 1 of 1
Author:  Kennomini [ Sun Jul 19, 2009 5:56 pm ]
Post subject:  Chain drive gearbox
Ok so who knows what? I've heard about it a few times but I can't rember any details so fire away. What ratios would be good or size of "cogs" etc etc
Author:  TheMiniMan [ Sun Jul 19, 2009 9:55 pm ]
Post subject: 
Austin 1800 Automatics had a "morse" chain drive from crank to box :-)
Maybe start there

& i`d stick with 1:1 as per std issue for now
Author:  Kennomini [ Mon Jul 20, 2009 6:00 pm ]
Post subject: 
Also what are the disadvantages of this?
I assume their would be a little bit more power available but how much, if any?
Author:  Asphalt [ Mon Jul 20, 2009 6:40 pm ]
Post subject: 
No fubard idler gears & casings I suspect :)

http://www.mk1-performance-conversions. ... l_dept.htm

Chain drive sounds interesting, was thinking about it myself...
Author:  drmini in aust [ Mon Jul 20, 2009 7:40 pm ]
Post subject: 
Asphalt wrote:
No fubard idler gears & casings I suspect :)

http://www.mk1-performance-conversions. ... l_dept.htm

Chain drive sounds interesting, was thinking about it myself...

That chain pictured is a Hy-Vo chain. As Matt says, the Austin 1800 automatics used one. My mate was always putting new chains in his, and he was not impressed... :x
Author:  i got a mini [ Mon Jul 20, 2009 8:21 pm ]
Post subject: 
I got a mate who races warick he has got some other motor grafted onto a mini box chain driven as far as I no he hasn't had a prob with it been like it for 20 years o
Author:  Morris 1100 [ Mon Jul 20, 2009 8:31 pm ]
Post subject: 
Speaking of stretching chains...

Image

Who can tell me what is going on here?

Kinda looks like something Matt would stick in a buggy. :lol:
Author:  TheMiniMan [ Mon Jul 20, 2009 9:18 pm ]
Post subject: 
Hee hee,,, dam right Morry,,,, But (if i`m not mistaken) it looks particularly similar to the "Attempt" that Leyland Australia had in fitting a P76 V8 into the old Land crab via a ZF transaxle assy

Mega bucks the factory spent that ended up going no-where (again)
Author:  Hagar [ Mon Jul 20, 2009 9:35 pm ]
Post subject: 
Olds Toronado? It was a V8 FWD.

[edit] or not... - similar but not the same!
Author:  Kennomini [ Mon Jul 20, 2009 9:45 pm ]
Post subject: 
i got a mini wrote:
I got a mate who races warick he has got some other motor grafted onto a mini box chain driven as far as I no he hasn't had a prob with it been like it for 20 years o

Back on topic can you try and find out some info about the chain/gears and where he got them?
Author:  david rosenthal [ Mon Jul 20, 2009 11:21 pm ]
Post subject: 
For chains see Chain and Accessories ,C&A Pty Ltd, torrens road Sth Aust. website . They have a lot of info and tables for HP calcs to compare for different types of chains, with sprocket sizes
Author:  simon k [ Tue Jul 21, 2009 11:04 am ]
Post subject: 
Kennomini wrote:
i got a mini wrote:
I got a mate who races warick he has got some other motor grafted onto a mini box chain driven as far as I no he hasn't had a prob with it been like it for 20 years o

Back on topic can you try and find out some info about the chain/gears and where he got them?


he made it all up himself - Warwick Agustin - he's in the NSW Super Mini series with a toyota 4AGE on a mini gearbox.

He told me once that in the early days he had problems with rings cracking, he tracked it down to the chain hitting on some alloy casting, shaving the alloy which got into the oil, then cooked itself onto the bores, then when the rings went past - crunch
Author:  feralsprint [ Tue Jul 21, 2009 3:35 pm ]
Post subject: 
send me a PM aaaaaaaand i will send you Warwicks contqct details, it is a interesting job that does cause a few problems like he says that because of all the mass of the chain and sprokets he cant change gears as fast as normal
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