Recent Posts

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Frame / Re: Rigid Tool Box
« Last post by Nourish on Today at 09:39 »
Thanks Mike. The C10 boxes sell for much less and looking like I might just have make a different bracket or add a spacer to be able to fit a C10 item.
Here's hoping that the A7 and C10 lids are the same pressing so that the boxes are the some shape and fit the angle of the frame tubing.
Cheers
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Introductions, Stories & Pictures / Re: The Three Amigos
« Last post by Black Sheep on Today at 06:58 »
I feel a hint of envy... Have been putting up with either -7, freezing fog or hissing rain and gales in the last week. Quite scenic here at home though. And yes, I was out on the bike in this shortly after.
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Introductions, Stories & Pictures / Re: The Three Amigos
« Last post by Shark on Today at 04:22 »
40 plus and you blokes are out there riding, I salute you!!
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Frame / Re: Air Cleaner Battery carrier 1953 Plunger
« Last post by duTch on Today at 03:02 »

 I have one that's chopped even more than Wozza's- pic pending

 
Quote
......I will have to stray from standard as I'll be using a later alloy head which has more downdraught ( if it'll fit) so I expect to be using something more modern than the volks. .....

 *pull hair out*... Be prepared for a challenge *work*, depending what carby you use, I've a 389 on mine
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Frame / Re: Rigid Tool Box
« Last post by mikeb on Today at 00:46 »
i don't know the finer points here tho the parts lists say the rigid a7 and a10 (up to 1953) toolbox was 65-9080. if you google that there's a bunch of pics to look at. its the same as *some* of the B series rigids, hence this: https://mikesclassiccyclespares.com/product/65-9080/
they are out there to buy
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Frame / Re: Air Cleaner Battery carrier 1953 Plunger
« Last post by WozzA on Today at 00:03 »
I've just bought this - who's been cutting these about? - would this to be to enable fitting a pancake filter?

I dont know who has been chopping them up?  I have one the same...
 The bugger is well traveled, , It must have been a popular modification in the day..   *dunno2*
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Frame / Re: Air Cleaner Battery carrier 1953 Plunger
« Last post by Nourish on 10.12. 2019 22:51 »
Yes I saw that too. I will have to stray from standard as I'll be using a later alloy head which has more downdraught ( if it'll fit) so I expect to be using something more modern than the volks.
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Frame / Re: Rigid Tool Box
« Last post by Nourish on 10.12. 2019 22:46 »
I appretiate that maybe the twins didn't have the step but other than that are they the same?
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A7 & A10 Engine / Re: Choice of Drive Side Main Bearing
« Last post by Triton Thrasher on 10.12. 2019 22:31 »
TT - afraid I have to disagree

Do you disagree with the typical main bearing interference fit I quoted?  Ok what interference fit do you think is used? Tell us why you think that.

Do you disagree with the expansion figures I quoted?  If so, perhaps your dispute is with Isaac Newton and various Enlightenment physicists.






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A7 & A10 Engine / Re: Choice of Drive Side Main Bearing
« Last post by berger on 10.12. 2019 19:07 »
well I went to the pub so today i'm not very good  *countdown* *beer* and don't know too much about anything, but an interference fit to me is a cold or room temperature fit between two things that cause friction when pressed together, a bearing outer in an alloy case should be fitted with a spit hot casing and a cool bearing so to my mind it is not an interference fit , many bearings turn in cases that have been abused by bashing them in and out cold *bash*. in an ideal world bearing in nitrogen and  a hot case is easy peasy, but I wouldn't call this method of fitment interference *fight* edit-- brain has come back a bit, the bearing in engine case fit must be a shrink fit,  I might not need to see a shrink just yet.   I hope!!
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