s for the
> chain setup and best case efficiency numbers for the IGH. Based on
> this, the other calculations are off too.
> Correct me if I'm wrong.
>
> --- On Thu, 11/19/09, Eric Norris wrote:
>
> From: Eric Norris
> Subject: [RBW] Internal Hub Efficie
On Thu, 11/19/09, Eric Norris wrote:
From: Eric Norris
Subject: [RBW] Internal Hub Efficiency: What the Experts Say
To: rbw-owners-bunch@googlegroups.com
Date: Thursday, November 19, 2009, 12:35 AM
For those who don't have a copy of "The Dancing Chain" laying aroundÂ
the house,
For those who don't have a copy of "The Dancing Chain" laying around
the house, here's a summary of what Frank Berto said about internally
geared hubs (IGHs), which is itself a summary of extensive bench
testing done in 1998:
--Standard derailleur systems achieve 98-99 percent efficiency whe