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Finch661
Joined: 19 Feb 2009 Posts: 163 Location: Edinburgh, Scotland
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Posted: Thu Feb 19, 2009 3:03 pm Post subject: Midget Choke -----HELP |
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i am tinkering away with my 76 mg midget, but i am having some troubles with the choke. it seems that after about a week, the locking part is stripped, hence it does not lock. i am using the peg system for now, but i am wanting something a bit more perminant!
i was thinking of removing the mixture return springs then using a simple push/pull system, as seen on the classic mini for its heat control.
any thoughts on the matter?
thanks
rich |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22447 Location: UK
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Finch661
Joined: 19 Feb 2009 Posts: 163 Location: Edinburgh, Scotland
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Posted: Fri Feb 20, 2009 9:30 am Post subject: |
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true, a very easy solution, but i have gone through 3 cables in the last 3 months. the average life is about 1-2 weeks..... quite annoying |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22447 Location: UK
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Kelsham
Joined: 18 Jan 2009 Posts: 349 Location: Llandrindod Wells Powys
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Posted: Fri Feb 20, 2009 5:06 pm Post subject: midget choke |
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Why are the cables failing? you do have a good earth strap to the engine. If this has a poor connection the return electrical path can go through the choke cable and cause it to heat up.
regards Kels. |
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ukdave2002
Joined: 23 Nov 2007 Posts: 4105 Location: South Cheshire
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Posted: Fri Feb 20, 2009 5:45 pm Post subject: Re: midget choke |
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Kelsham wrote: | Why are the cables failing? you do have a good earth strap to the engine. If this has a poor connection the return electrical path can go through the choke cable and cause it to heat up.
regards Kels. |
Good point Kels, I have also seen the same thing happen with throttle cables; glowing red as they try to deliver a few hundered amps!
If it is a manufacturing fault with the cables, what is the suppliers veiw?
Dave |
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47p2
Joined: 24 Nov 2007 Posts: 2009 Location: Glasgow
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Posted: Fri Feb 20, 2009 5:48 pm Post subject: |
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Also make sure the cable is in as straight a run to the carb as possible _________________ ROVER
One of Britain's Fine Cars |
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Finch661
Joined: 19 Feb 2009 Posts: 163 Location: Edinburgh, Scotland
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Posted: Sat Feb 21, 2009 1:21 pm Post subject: |
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like i said, the choke doesnt lock when pulled out and twisted, it is completely stripped. it works great for about a week, then it slowly fails. |
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Rich5ltr
Joined: 28 Mar 2008 Posts: 678 Location: Hampshire, UK
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Posted: Sat Feb 21, 2009 7:45 pm Post subject: |
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You need one of those spring operated choke control locking clips, I'm sure I saw one here a few days ago?
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Finch661
Joined: 19 Feb 2009 Posts: 163 Location: Edinburgh, Scotland
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Posted: Tue Feb 24, 2009 12:22 pm Post subject: |
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well im using a peg at the moment, just wanted something a little bit more permanant (oh and i am using a lightened polycarbonate spring loaded choke locking clip........ a plastic one....) |
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Scotty
Joined: 23 Nov 2007 Posts: 883
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Posted: Tue Feb 24, 2009 1:23 pm Post subject: |
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Hi Rich,
I had a 1975 Midget and if memory serves me correctly it was a "pull and twist" to lock the choke out at the desired position. Is it the "twist" that's wearing out?
Scotty. |
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Finch661
Joined: 19 Feb 2009 Posts: 163 Location: Edinburgh, Scotland
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Posted: Tue Feb 24, 2009 3:48 pm Post subject: |
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yeah its the twist part. it works great with a new cable, but after a coupe of weeks it twists but then slips. very annoying! im using a clothes peg at the mo, i wnated to know if there is a conversion or a different type of choke mechanism i can use. i have an old mini aswell, that has no troubles |
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Penman
Joined: 23 Nov 2007 Posts: 4756 Location: Swindon, Wilts.
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Posted: Tue Mar 03, 2009 12:10 pm Post subject: |
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Hi
I have just been looking at an operators manual for a Wolseley 15/50 and have noticed this instruction for when refitting the choke cable.
Give the inner wire a clockwise twist (looking from the end) before tightening the locking nut/bolt.
This ensures correct function of the control locking device.
The picture shows the inner cable as a Bowden twisted cable and this would appear to be utilising the cable's natural tendency to straighten as a means of keeping the choke pull end in the locking position. _________________ Bristols should always come in pairs.
Any 2 from:-
Straight 6
V8 V10 |
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