Rear Brake Plate

Information relating to the Matchless G5 or AJS Model 8 350cc Lightweight
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Martin.S
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Joined: Sun Mar 18, 2018 12:02 pm
Location: Bristol UK

Rear Brake Plate

Post by Martin.S »

I put out an ad for a rear brake plate but had little response so after picking up the rusted out one I had and realising just how heavy it was I picked out a large lump of aluminium I had hanging about and decided to make one :-
IMG_20190816_164608.jpg
IMG_20190816_161125.jpg
I made a few mistakes along the way

But I'm pleased with the results.
IMG_20190822_124036.jpg

P.S. Thanks to Rob who offered me a brake plate as I was finishing off the machining!!
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Martin.S
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Location: Bristol UK

Re: Rear Brake Plate

Post by Martin.S »

I now need to sort out a brake arm - I have two :-
IMG_20190822_173917.jpg
IMG_20190822_173908.jpg
The stripped one appears to have been extended and has the brake rod pivot pin on the centre line
But the painted one has the pin off set - is this correct?
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Rob Harknett
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Re: Rear Brake Plate

Post by Rob Harknett »

Could the clean one be rear & dirty one be front?
Ashampoo_Snap_22 August 2019_19h57m16s_001_.jpg
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Ozmadman
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Re: Rear Brake Plate

Post by Ozmadman »

Martin.S wrote:I put out an ad for a rear brake plate but had little response so after picking up the rusted out one I had and realising just how heavy it was I picked out a large lump of aluminium I had hanging about and decided to make one :-

But I'm pleased with the results.

P.S. Thanks to Rob who offered me a brake plate as I was finishing off the machining!!
Just a small point. The slotted boss that locks the brake plate into the swing arm to prevent it from rotating... is that aluminium or steel? only they are prone to wear and I wonder is aluminium is up to the task
Paul
1960 Model 8
1974 Yamaha RD250B US Model 6 speed
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Martin.S
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Location: Bristol UK

Re: Rear Brake Plate

Post by Martin.S »

Stainless Steel my friend.
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Ozmadman
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Re: Rear Brake Plate

Post by Ozmadman »

Martin.S wrote:Stainless Steel my friend.
Wonderful, even better... good skill you have there cheers
Paul
1960 Model 8
1974 Yamaha RD250B US Model 6 speed
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thornebt
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Joined: Sun Apr 19, 2015 9:13 am
Location: Somerset, UK

Re: Rear Brake Plate

Post by thornebt »

It's a lovely job you've made of the brake plate. My future son-in-law graduated with a first in his Masters for Engineering before getting onto a graduate scheme with Jaguar Land Rover. I asked if he could buy tools via JLR at a discounted price. "I don't need any. Everything is built by robots" he said! Hopefully we will still have engineers in the future who can get close to this level of work. Cheers. Bruce.
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Martin.S
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Location: Bristol UK

Re: Rear Brake Plate

Post by Martin.S »

Thanks for the compliments but really - this is OK for a homemade attempt but not to a professional standard - honest!
bitza
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Re: Rear Brake Plate

Post by bitza »

Great, what a nice bit of engineering work, well done that man, I take my hat of to you.
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clanger9
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Re: Rear Brake Plate

Post by clanger9 »

Beautiful work there! I wish I had the skills & tools to do stuff like that.
1989 Moto Morini Dart 350
1993 Ducati 750SS
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