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Stator Studs What were they thinking?? #762314
01/11/19 10:32 pm
01/11/19 10:32 pm
Joined: Mar 2017
Posts: 28
Wyoming, USA
D
Doug F Offline OP
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Doug F  Offline OP
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Joined: Mar 2017
Posts: 28
Wyoming, USA

Howdy all, Just chiming in as I've been racking my brain trying to figure out why they made these Stator mounting studs the way they did. started because of course the threads on my old ones for the nut
stripped out . on my '66 A65. Which 1st lead me to wonder Why they sized the stud down for a smaller nut to mount the Stator., when the larger diameter of the stud slips though to the end of the hole anyway.
Why not just leave it large for a larger nut to better secure it?After all we're trying to keep a .015" tolerance evenly around the rotor. I've checked it and the larger nut will in fact fit nicely on the stator & leave room for a socket wrench.
Then take into consideration, there's 3 different threads on these studs only 2 of which are used. BSF 5/16 22TPI. into the case, then blank for about an inch then BSC 26TPI, which slips thru the hole in the Stator.
then sized down & back to BSF for the nut. so it can't be because of cost savings or anything like that, & as far as functionality I just can't see the point.Is there a reason? I'm thinking maybe Lucas gave them wrong specs for the holes in the stator then sent with larger holes? but why the extra threads not being used on the shaft ? I know no big deal just seems weird . Love to hear if there's some reason for this . I'm making my own bolts
which will be 5/16 to the end with BSF for the case of course & metric for the nuts just because of ease.
Cheers! hopefully by spring I'll be riding this thing.
Doug
on a much lighter note. I'm getting the frame powder coated ! My son recently got a job at a local machine shop / Fabrication company & they're going to let him bead blast & powder coat it on his free time
for FREE !! just have to supply the powder coating. how awesome is that. every once in while we win one. thinking of going with a dark gun metal chrome , Any opinions?


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Re: Stator Studs What were they thinking?? [Re: Doug F] #762350
01/12/19 10:29 am
01/12/19 10:29 am
Joined: Feb 2012
Posts: 210
UK Tyne & Wear
P
photobob Offline
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photobob  Offline
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Joined: Feb 2012
Posts: 210
UK Tyne & Wear
I don't know about the 1966 model but my early A65 1963 the top mounting stud has to be turned down to clear the chain.


Moderated by  Allan Gill, Jon W. Whitley 

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