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Austinsevenfriends › Austin Seven Friends Forum › Forum chat... v
Gas and ignition lever internal bits

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Gas and ignition lever internal bits
Tony Griffiths Offline
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Location: Peak District, Derbyshire
Car type: 1929 Chummy, 1930 Chummy, 1930 Ulster Replica, 1934 Ruby
#1
10-10-2023, 12:58 AM (This post was last modified: 02-11-2023, 01:49 PM by Tony Griffiths.)
I'm hoping to get made a small batch of the screw, push rod and spring for the gas and ignition levers. Having measured everything, I thought it might be a good idea to preserve the data on the forum. The thread of the 'tension screw' is 5/16 BSF.


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http://lathes.co.uk
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Martin Prior Offline
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Location: Herefordshire
#2
10-10-2023, 12:50 PM
Hi Tony. If you do go ahead with this, please let me know. We definitely need one set and possibly as many as three.
http://www.priorsmotorworks.com
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RupertW Offline
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#3
10-10-2023, 04:26 PM
Likewise I'd certainly be interested in two sets!
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Tony Griffiths Offline
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Location: Peak District, Derbyshire
Car type: 1929 Chummy, 1930 Chummy, 1930 Ulster Replica, 1934 Ruby
#4
10-10-2023, 07:09 PM
(10-10-2023, 12:50 PM)Martin Prior Wrote: Hi Tony.  If you do go ahead with this, please let me know.  We definitely need one set and possibly as many as three.

They are "in production" - and will probably be ready at the end of next week. The only problem is the spring; I think I've found the right one and am waiting for a sample. It's a large minimum order charge so I want to get to right the first time. That may delay things for a while.
http://lathes.co.uk
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John3528 Offline
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Location: Colchester, Essex, UK
Car type: 1932 AH Tourer
#5
11-10-2023, 08:10 AM
Please may I put my name down for a set if there are enough to go round.
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Tony Griffiths Offline
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Location: Peak District, Derbyshire
Car type: 1929 Chummy, 1930 Chummy, 1930 Ulster Replica, 1934 Ruby
#6
11-10-2023, 09:56 AM
(11-10-2023, 08:10 AM)John3528 Wrote: Please may I put my name down for a set if there are enough to go round.
Yes, certainly. If made correctly and they check out, I'll probably put in hand a larger batch anyway. No idea on the price yet, but hopefully not too much. The main problem is finding a source for the right spring - I have some samples coming.
http://lathes.co.uk
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Charles P Offline
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#7
11-10-2023, 12:07 PM
When I made some for my car I went to https://www.leespring.co.uk/compression-springs
However it was so long ago that I can't remember what I used, or where the other 98 springs probably are!
I used phosphor bronze for the V shaped bit, simply because I had a rod in exactly the right diameter.

Charles
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Howard Wright Offline
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Location: Llandrindod Wells
Car type: 29 Special, 30 RK, 28 C Cab
#8
11-10-2023, 12:39 PM
Hi All

The springs need to be quite strong. The ones on both my RK and Special won’t hold the gas lever in place. This could be due to the accelerator return spring being too strong?

I’m up for a set or two of blocks, springs and retaining screws please Tony.
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Tony Griffiths Offline
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Location: Peak District, Derbyshire
Car type: 1929 Chummy, 1930 Chummy, 1930 Ulster Replica, 1934 Ruby
#9
11-10-2023, 07:02 PM (This post was last modified: 11-10-2023, 07:07 PM by Tony Griffiths.)
(11-10-2023, 12:07 PM)Charles P Wrote: When I made some for my car I went to https://www.leespring.co.uk/compression-springs
However it was so long ago that I can't remember what I used, or where the other 98 springs probably are!
I used phosphor bronze for the V shaped bit, simply because I had a rod in exactly the right diameter.

Charles

Yes, Lee Springs are the people I'm approaching. They have thousands of springs available that increase on all dimensions in fractions of a mm. From those, I'm hoping to select the right one.
http://lathes.co.uk
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Nick Turley Offline
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#10
14-10-2023, 09:18 AM
I don't know if this is helpful - but I use oil pump springs.
If you have any of you production available I would like 6  saves me making them !
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