[Healeys] BN1 Gearbox Hubs

David Porter frogeye at porterscustom.com
Tue Jan 20 10:37:31 MST 2015


Longitudinal loading for the dog clutches?
On 1/20/2015 10:17 AM, Michael Salter wrote:
> This is one for those with some gearbox rebuilding experience.
> In this question I will refer to the gear numbers "in the box" i.e. as 
> if we are talking about a regular 4 speed gearbox.
> I have built a few BN1 gearboxes and have always wondered about the 
> disposition of the balls and springs in the 3/4th hub.
> The 1/2 hub uses 6 balls and springs but the 3/4 hub uses only 3 sets. 
> What is odd is that the ball and spring sets are all on one side of 
> the hub not evenly dispersed around the hub as they are on every other 
> gearbox I have worked on.
> They can be seen in this picture.
> Inline image 1
> Why?
>
> Michael S
> BN1 #174
>
> -- 
> /If you can't fix it with a hammer, you've got an electrical problem./
>
>
>
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-- 
Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
87107 505-352-1378 Go HERE: my world www.porterbikes.com/
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