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Old 12-23-07, 10:39 PM   #93 (permalink)
CESLAW
3 Tenths
United States
 
Join Date: Oct 2006
Location: Illinois
Posts: 365
Rep Power: 5 CESLAW is a glorious beacon of light
Re: Chuck and Ryan's RCR Build

Throttle Cable

A nine foot stainless braid covered throttle cable was obtained from Lokar. Although long cables are not listed in their literature, they can easily fabricate them in one foot increments. We thought we needed eight feet, but ordered nine to be safe. It is a good thing we did. It was routed from the forward end of the engine to the right of the distributor, through the opening inboard of the left bulkhead, then along the left side of the drivers seat to the near the fire wall, where it looped around to the pedal assembly. A clamp was placed on the compressor bracket, which keeps the cable from interfering with anything, like a pulley or belt. Enough slack was present so the pedals could be adjusted fore and aft depending whether Ryan or Chuck was the designated driver. It turned out that the nine foot length was spot – on.

A bracket was fabricated from a 1 inch by 1 inch aluminum stock and secured on the right forward carburetor. An additional return spring may be added later, although the two springs already on the carbs provide a strong return force. The threaded fitting provided by Lokar matched the linkage perfectly. (This linkage is available from Inglese).

The Lokar cable worked well with the RCR pedal box. The hole on the frame was enlarged to clear the cable end fitting. The pedal arm was a bit too thick to clear the Lokar fitting, but a few minutes with the grinder solved that problem. This project went together well. The throttle operates smoothly.
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