Tuesday 1 February 2011

Swirl Pottering

I'd been musing over the fuel supply system for a while. If i was starting from scratch i would have had a custom made fuel tank with built in swirl pot and either used the original bike pump or an inline high pressure pump. But i already had a perfectly good fuel tank, and being plastic i couldn't modified it. I'd mused with just using an inline high pressure pump but was worried about fuel starvation so that meant i'd need a swirl pot. I had the bike pump included with the purchase of the engine so it made sense to reuse this and i know it will be supplying enough fuel. So with the help of Bob and his welding man i had a custom pot made that housed the bike pump. The pot is fed from the original blade pump at the rear of the car using the new fuel lines pictured earlier in the blog.

I spent a ridiculous amount of time cutting. turning, drilling and taping various bits of horrid pure aluminium. Pure aluminium is great for welding but rather less fun to machine, the resulting fun from taping the m4 threads  in the base plate resulted in me drilling them out and retaping more carefully with M5's.  The pictures either show a luna landing module or the pot in the question, depending upon who you listen to ;-). 



Initially i wanted to mount the pot infront of the pedals, but it would have been very fiddly to connect up and inspect the pipes so opted for the the more spacious option, just behind the front suspension.


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