I think your pulling away issue has been fixed on the Mk 2. As both butterflies open together rather than one after the other with the carburettor I have to be quite gentle on take off or I get thrown back in my seat with quite a jolt. I haven't noticed huge pump noise but it may be due to all the other noises. There is quite a loud injector tick and I think noise from pulsing in the fuel filter mounted on the inner wing. More fettling and investigation required but it's a very promising start.
I will try to get up to one of the East Anglia meetings so that we can compare notes.
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