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by Pete.Silson
Thu Jun 06, 2019 7:07 pm
Forum: Ariel Talk
Topic: Different size Ansti stirrup
Replies: 10
Views: 766

Re: Different size Ansti stirrup

5/8" 20tpi BSCy RH

Pete
by Pete.Silson
Sat May 25, 2019 10:18 am
Forum: Ariel Talk
Topic: Different size Ansti stirrup
Replies: 10
Views: 766

Re: Different size Ansti stirrup

The early type with snail cam adjusters on the axle (4980-39, 4982-39) has a longer lower axle fork although, somewhat confusingly, the 1939-46 workshop manual shows equal length stirrup in the illustration whereas the 1939 and 1946 parts books show longer lower forks. The 1st picture below is from ...
by Pete.Silson
Sun Apr 28, 2019 10:02 am
Forum: Four stroke
Topic: HWH brake shoes
Replies: 2
Views: 177

Re: HWH brake shoes

From (limited) knowledge gained from my SQ4 dealings the 1" linings are from 1937 and earlier QD rear hubs, the 1-1/8" are from later QD and fixed rear hubs. C15/28 (4100-32) 1937 (and earlier) QD rear hub, lining 6-5/8"x 1" x 3/16" C15/97 (4385-38) 1938 onwards fixed and QD...
by Pete.Silson
Mon Apr 08, 2019 12:41 pm
Forum: Four stroke
Topic: PA tank panel
Replies: 2
Views: 177

Re: PA tank panel

Is this what you need? I can take some measurements if you need them.
4G Tank Panel.jpg


Pete
by Pete.Silson
Tue Mar 05, 2019 7:59 pm
Forum: Four stroke
Topic: BA kickstart quadrant stop rubber advice
Replies: 9
Views: 315

Re: BA kickstart quadrant stop rubber advice

I've ordered some nylon suspension bushes and will see if they can be fitted inside the old metal cap. I wouldn't expect the nylon to deteriorate in gearbox grease for a year or two. bushes 1a.jpg Possibly a job for that new-fangled 3D printing.... Does anybody have access to a 3D printer I can thin...
by Pete.Silson
Tue Mar 05, 2019 2:25 pm
Forum: Four stroke
Topic: BA kickstart quadrant stop rubber advice
Replies: 9
Views: 315

Re: BA kickstart quadrant stop rubber advice

So they have specified the wrong elastomer. How about looking for a suitable bit of viton tube?


Simon, Is there a particular grade of Viton I should be looking for?
by Pete.Silson
Tue Mar 05, 2019 1:34 pm
Forum: Four stroke
Topic: BA kickstart quadrant stop rubber advice
Replies: 9
Views: 315

Re: BA kickstart quadrant stop rubber advice

Did it have the metal ring around it, like a small Silentbloc bush? Simon, Yes it had the metal ring however, when first fitted, the one from Drags looked like it had been a smaller inside diameter and been roughly drilled out. The rubber inside the bush has now broken down to to a slimy black mush...
by Pete.Silson
Tue Mar 05, 2019 11:21 am
Forum: Four stroke
Topic: BA kickstart quadrant stop rubber advice
Replies: 9
Views: 315

BA kickstart quadrant stop rubber advice

I rebuilt my BA box 2 years ago and replaced the kickstart quadrant stop rubber (3338-33). I have just had the outer cover off and find that the rubber stop has completely disintegrated. I am surprised that it should fail so quickly especially since the gearbox has done less that 1000 miles since th...
by Pete.Silson
Mon Feb 18, 2019 3:42 pm
Forum: Main Chat Forum
Topic: Nuts for Watsonian Sidecars
Replies: 3
Views: 328

Nuts for Watsonian Sidecars

Does anybody know where I can source some 3/4" x 20 tpi nuts for a 1950's Watsonian sidecar? I assume they are either BSCy or UNEF. Zinc plated would be fine but ideally I would like Nyloc or similar for the wheel axle nuts.

Pete
by Pete.Silson
Sat Feb 09, 2019 10:54 am
Forum: Four stroke
Topic: Pistons for iron SQ4
Replies: 2
Views: 191

Re: Pistons for iron SQ4

Great offer Paul, I'll PM you to arrange a time. Pete

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