Talk About Network

Google


Register and Login
Nick
Password
Register create new account Sign up is FREE and you can post replies, new topics, bookmark posts and more!
Recover lost password


Cycling > Recumbent > Re: Chain idler...
Latest [ Topics | Posts ] Archive Post A New Topic Post a Reply
<< Topic < Post Post 10 of 13 Topic 4020 of 4179
Post > Topic >>

Re: Chain idler efficiency - roller vs. toothed

by Tom Sherman <sunsetss0003@[EMAIL PROTECTED] > Apr 28, 2008 at 10:21 PM

jobst.brandt@[EMAIL PROTECTED]
 aka Jobst Brandt wrote:
> The angle at which the chain enters and leaves front sprockets and
> derailleur idlers is the sine of the angle which is the lateral offset
> between the two ends of the chain span divided by the free span
> length.  Therefore, the longer the chainstays and the fewer the gears
> on the sprocket cluster, the smaller the angle between chain and
> sprocket plane.  The angle causes lateral sprocket tooth wear and
> idler wheel wear.
> 
Indeed, which is why I would not deliberately ride in cross chain gears 
on my ATB with its 43 cm chain line (BB to hub) but will do so on my 
RANS Rocket with its 131 cm chain line.

-- 
Tom Sherman - Holstein-Friesland Bovinia
The weather is here, wish you were beautiful
 




 13 Posts in Topic:
Re: Chain idler efficiency - roller vs. toothed
Tom Sherman <sunsetss0  2008-04-27 06:51:08 
Re: Chain idler efficiency - roller vs. toothed
Jon Bendtsen <noone@[E  2008-04-27 18:43:43 
Re: Chain idler efficiency - roller vs. toothed
Tom Sherman <sunsetss0  2008-04-27 11:49:19 
Re: Chain idler efficiency - roller vs. toothed
Jon Bendtsen <noone@[E  2008-04-28 00:37:45 
Re: Chain idler efficiency - roller vs. toothed
Tom Sherman <sunsetss0  2008-04-28 21:50:26 
Re: Chain idler efficiency - roller vs. toothed
Adam Kadlubek <uzurpat  2008-04-28 02:48:59 
Re: Chain idler efficiency - roller vs. toothed
Jon Bendtsen <noone@[E  2008-04-28 13:38:36 
Re: Chain idler efficiency - roller vs. toothed
Tom Sherman <sunsetss0  2008-04-28 21:52:08 
Re: Chain idler efficiency - roller vs. toothed
jobst.brandt@[EMAIL PROTE  2008-04-29 03:05:39 
Re: Chain idler efficiency - roller vs. toothed
Tom Sherman <sunsetss0  2008-04-28 22:21:53 
Re: Chain idler efficiency - roller vs. toothed
Jon Bendtsen <noone@[E  2008-04-29 10:33:10 
Re: Chain idler efficiency - roller vs. toothed
Jon Bendtsen <noone@[E  2008-04-29 12:25:46 
Re: Chain idler efficiency - roller vs. toothed
"Jon" <jonme  2008-04-29 06:23:48 

Post A Reply:
  Go here to Signup

AddThis Feed Button


About - Advertising - Contact - Frequently Asked Questions - Privacy Policy - Terms of Use - Signup

Contact
tan12V112 Wed Oct 15 22:05:43 CDT 2008.