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by allan.walker
Fri Nov 15, 2019 12:16 pm
Forum: Main Chat Forum
Topic: New club Facebook page
Replies: 58
Views: 1513

Re: New club Facebook page

Thanks for the overview, Dave. I would certainly not like to see the Members-only benefits opened-up to everyone. I do understand that, even with the good-will from all of the volunteers involved in running the Club, there are still many costs to be met. I am very happy to pay my membership fee to s...
by allan.walker
Fri Nov 15, 2019 9:52 am
Forum: Four stroke
Topic: Twin leading shoe brake queries.
Replies: 38
Views: 772

Re: Twin leading shoe brake queries.

The angled sliding abutment is typical of Girling truck brakes,and gives them particular advantages over the Lockheed type of two leading shoe fronts,namely they work efficiently in reverse direction.Whoever made the brake shown had considerable brake experience......It may also be possible to weld...
by allan.walker
Fri Nov 15, 2019 8:43 am
Forum: Four stroke
Topic: Twin leading shoe brake queries.
Replies: 38
Views: 772

Re: Twin leading shoe brake queries.

Thanks David. You certainly addressed the inherent weakness of the standard alloy plate and have produced a great looking brake. My difficulty is that my metalwork/fabrication skills are not great. To start from scratch, as you have done, is beyond my skills! :( Whatever I end up doing with my front...
by allan.walker
Fri Nov 15, 2019 8:07 am
Forum: Main Chat Forum
Topic: New club Facebook page
Replies: 58
Views: 1513

Re: New club Facebook page

Yes Roger, I have spoken to him (and bought a set of conrods from him.) I found him to be very helpful. It's just that, these days, it is so simple to find what products are available by a few clicks of a mouse. I would have thought that it may be easier to have a list of available Square Four items...
by allan.walker
Thu Nov 14, 2019 5:54 pm
Forum: Main Chat Forum
Topic: New club Facebook page
Replies: 58
Views: 1513

Re: New club Facebook page

roger.fellows wrote:I think Allan's after a list of Sq4 parts sold by the club.


Yes Roger, that's correct.

Sorry if I didn't make myself clear, Brian, and thanks for the guidance anyway.
by allan.walker
Thu Nov 14, 2019 5:50 pm
Forum: Four stroke
Topic: Twin leading shoe brake queries.
Replies: 38
Views: 772

Re: Twin leading shoe brake queries.

That's an interesting brake.

It looks like the non-actuated end of the shoes is fixed by virtue of the semi-circular ends which rest against the 'plain' (i.e. non-lobe) part of the cams.
This seems much better than my brake, where the shoes are floating.

btw, thanks for the PM.
by allan.walker
Thu Nov 14, 2019 2:54 pm
Forum: Main Chat Forum
Topic: New club Facebook page
Replies: 58
Views: 1513

Re: New club Facebook page

I wouldn't worry about dilution of knowledge...... the technical knowledge seems to begin and end with "I've spent 8 fousand quid on vis bike,dunno whats inside ,just goes and its cool"..... If ever I needed to explain to anyone why I will not use Facebook, there it is! Thank you John! :D...
by allan.walker
Thu Nov 14, 2019 2:25 pm
Forum: Main Chat Forum
Topic: New club Facebook page
Replies: 58
Views: 1513

Re: New club Facebook page

] The club has - they are all available in the members only section of the club web site. That's where they should stay in my opinion. Perhaps there is a case for making the wealth of info in the members section more apparent to non (hopefully prospective) members. If you are restoring an Ariel you...
by allan.walker
Thu Nov 14, 2019 2:11 pm
Forum: Four stroke
Topic: Twin leading shoe brake queries.
Replies: 38
Views: 772

Re: Twin leading shoe brake queries.

..... I am lucky enough to have Lew Wallwork hydraulic front brakes on both of the bikes we used for big mileages and the difference is tremendous. They never grab and do not fade even on mountains and with the brakes shoes mounted on a separate metal plate they are not going to allow the outer pla...
by allan.walker
Thu Nov 14, 2019 2:08 pm
Forum: Four stroke
Topic: Twin leading shoe brake queries.
Replies: 38
Views: 772

Re: Twin leading shoe brake queries.

When I was building my Square Four between '68 and '70 I wanted a larger TLS brake so went for a BSA A10 front end in the Ariel yokes. The Ariel yokes are wider than the BSA ones and I had a local Engineering Shop turn-up a longer wheel spindle. This left the torque stop (its a lump on the fork leg...

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