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Home > How To > FAO TurbDave- Fabricated Carb Jet holder

Soton1310Turbo

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Southampton


No probs


TurboDave16V
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Good snaps and description!

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



Vegard

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On 10/05/2004 07:10:53 Jimster said:

sorry about the pics, as soon as I get home I'll do them


Been away for a while Jim?? :)

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.



dan
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shoot me down if this isn't a viable option for a reason i can't think of...

but could you just shorten the 2 outer strips of metal to just infront of the rivets/securing hole to lessen their effect on the centre strip?


iain
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Sold the turbo and seeing what the C20XE can do!

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think you need to get a picture up *happy* saying that i've got one here in my hand but its a bit manky!! Might see if i can get it vapour blasted today and see whats what! *happy*


dan
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might take a picture when i get home then, they it speaks a 1000 words!


dan
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Here are the pics of my suggestion, hopefully it makes it a bit clearer! still need to tidy up a little but you get the idea

standard bimetal strip in situ


modified bimetal strip against standard strip


modified bimetal strip against standard strip


modified bimetal strip in situ


anyone think this would be ok as an alternative?


TurboDave16V
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It depends if the middle one is also a bi-metallic strip, or just spring steel!

I think you need to get a hair-dryer on it or hold it over the burner on the wife's cooker to check!

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



dan
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dave, could you advise why it would make a difference if the middle one was a bi-metallic strip?

i've not really got much knowledge on bi-metallic strips

I was thinking you'd need at least two dis-similar metals for it to actually move the jet

after looking at the strip arrangment the 2 outer strips have a small joggle at the end to provide contact to the very end of the middle strip, therefore could you assume it is only the outer 2 that have different thermal expansion rates?


TurboDave16V
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A bi-metallic strip is just that... Two metals together. They are generally formed as one piece - which looks like a single strip of metal Thinking about the one in the carb, I understand what you mean, but why would you need three strips? Surely you'd only need the top (or bottom) one and the middle one.
Also - the bi-met strip bends because the metals are bonded together - basically the top half expands more than the bottom causing the strip to bend downwards (or vice versa). I can't see how if the top and bottom plates are dissimilar metals they could induce a 'bend' as they aren't bonded along their length...


Do the test and we'll know for sure if the middle one is a bi-met strip or spring steel. I suspect the former.

Edited by TurboDave16V on 27th Sep, 2005.

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



dan
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i'm with you now dave (thanks for the explanation!) i hadn't considered each strip as being bi-metal

i shall do the test and report back


Vegard

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Dan. That looks fantastic. How much for making another *wink*

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.



dan
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to make was about 10min job, used a small file to slit the strip then carefully pulled the strip up and down a couple of times and you get a nice clean break where you made the slit, repeat for the other side, then fettle a little with the file.

just got to do a quick test to see if the middle strip is bi-metal, should get chance when i get back from work later


Vegard

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Oh, you just removed the upper and lower "plate" I now see why you need to figure if the middle one is bi-metallic. If it isn't, I guess this mod is VERY simple in comparison to making an entire new one.
Please let us know..... :)

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.



dan
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will do...


dan
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did the test, as dave suspected the middle strip is bi-metalic, infact there wasn't much difference between the modified one and the unmolested one,

fabricated jet holder it is then!


Nic

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im not quite understanding this thread, please make sure you post your pics and step by step pics so i can copy it, thanks


TurboDave16V
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Dan,

How about posting pics of you making the jet holder- and upload them to the TM site - so as log as the site is here, so are the pics!

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



turbo hogster

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stowmaket suffolk

yep t3tone made mine out of some stainless steel and works a treat just need to shim up the spring with a washer as the plate is thinnner than the bio one.

always looking for them bigger bunches of bannanas


dan
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okay here is a quick drawing of the centre bimetal strip, should be good enough to make too

getting some laser cut at work albeit in 20SWG as opposed to 21SWG, will let people know when they are available as i'm trying to get 20 cut *wink*!

will take some assy photos when i've got some parts available



Tom Fenton
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Drawing looks more than good enough to make the parts from, any fab shop worth their salt ought to be able to knock those out from the dwg!

Can you put me down for a couple of those if its not too cheeky *tongue*


On 29th Nov, 2016 madmk1 said:


On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else


Like fuel 😂😂


Vegard

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I'll have two! Honest! :)

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.



Nic

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First mini turbo to get in the 12's & site perv

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me too x2


dan
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i'll be in touch when i've got the parts back from the fab shop


Carl

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im not greedy so would it be attall possible to put me down for 1 old chap*smiley*

no longer a series, but still 1.3 turbo.

On 28th Nov, 2008 Sprocket said:
Oh now that is a long shaft you have Carl.

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