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How to connect cable in place of accelerator rod linkage
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Paul fairall



Joined: 17 Nov 2016
Posts: 429
Location: North west Kent

PostPosted: Tue Jun 20, 2017 3:37 pm    Post subject: How to connect cable in place of accelerator rod linkage Reply with quote

Having set up my twin SU carbs on the manifold with linkage kit and made a bracket for cable operation I am trying to figure out how to connect the cable to the pedal end. At present there is a rod running across the bulkhead with ball joints to connect to the zenith carb. I don't want cut that rod in any way. Anyone have any ideas and photos would help too.
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alastairq



Joined: 14 Oct 2016
Posts: 1950
Location: East Yorkshire

PostPosted: Tue Jun 20, 2017 5:19 pm    Post subject: Reply with quote

The Dellow has a similar rod, supported in bearings, travelling across the bulkhead to the left side.

At that side the rod becomes a lever [set at right angles to the rod]

Is this set-up familiar to you?

The lever end had a cable clamp attached, with a ferrule holder mounted underneath on the bulkhead.

A short cable goes from there, downwards, then back up in an S curve, to arrive [pointing downwards again] between the carbs.

I think the cable is something like the old mini cable?

Pressing the throttle pedal raises the lever [on the other end, left side of car] which pulls up on throttle cable....the rest is, erm, obvious?

You may be able to get away with removing the topmost ball joint...if there is a hole in the lever, then a screw in cable clamp should fit?

Sorry, no photos at present, although I will endeavour if I can get the technology to work for me?
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Paul fairall



Joined: 17 Nov 2016
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Location: North west Kent

PostPosted: Tue Jun 20, 2017 5:50 pm    Post subject: Reply with quote

Yes, sounds similar, I think I will have to mount the manifolds and carbs before I will know if the existing lever fouls the right hand carb. I am using a bicycle gear cable. Have made a bracket to the right of the left carb, drilled a 5/16" unf bolt to take the outer cable with a smaller hole for the inner, bottom of small hole I used a centre drill to make a tapered hole so the cable doesn't rub against the hole as it moves side to side with the throttle lever movement. I have two nuts I turned thinner as lock nuts for fine adjustment. I will post a photo later. Brackets are all rough cut at the moment until I'm happy it all works.
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Paul fairall



Joined: 17 Nov 2016
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Location: North west Kent

PostPosted: Tue Jun 20, 2017 6:09 pm    Post subject: Reply with quote


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alastairq



Joined: 14 Oct 2016
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Location: East Yorkshire

PostPosted: Tue Jun 20, 2017 8:27 pm    Post subject: Reply with quote

Do you not have a heat shield between manifold and insulation blocks?

One of those usually will have a fitment to take a throttle cable end.
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Paul fairall



Joined: 17 Nov 2016
Posts: 429
Location: North west Kent

PostPosted: Tue Jun 20, 2017 8:55 pm    Post subject: Reply with quote

alastairq wrote:
Do you not have a heat shield between manifold and insulation blocks?

One of those usually will have a fitment to take a throttle cable end.

Not a proper one, I made one mainly to anchor the return springs. No insulation blocks. As you can probably see it's an aquaplane manifold and I've not seen a heat shield available.
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GARAGE HERMIT



Joined: 20 Mar 2017
Posts: 186
Location: stockton upon tees, cleveland,

PostPosted: Tue Jun 20, 2017 10:16 pm    Post subject: Reply with quote

i'm going cable all the way, no pop linkage, using a moggy thou throttle pedal, early mini pedal's work too,



why did'nt you just buy a cable adjuster, £2.40 off ebay,


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GARAGE HERMIT



Joined: 20 Mar 2017
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Location: stockton upon tees, cleveland,

PostPosted: Wed Jun 21, 2017 11:49 am    Post subject: Reply with quote

another snag if you're using an aquaplane head, the std pop throttle linkage hit's the head, not allowing full travel,
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Paul fairall



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PostPosted: Wed Jun 21, 2017 5:02 pm    Post subject: Reply with quote

I'm not going to use an aquaplane head , either the 10hp head fitted or an 8hp head I have spare.
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