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A superb result not only in workmanship but in the running ability too. Who was it said a triple won't run on air ? Well you've proved them wrong for sure - twice over .A really terrific outcome that quantifies the patience required to complete such a task - congratulations are truly deservedTug
Could you give a few more details of the alterations you made to the valves that you mentioned in the other thread and also what cylinder(s) the simpling valve sends HP air to? As it looks like it may be a 2 or 3 way valveEDIT you beat me to it with a reply. Probably fair to say built to drawing they don't run well on air
Great to see the video of these engines running excellently on air, ( which elsewhere I have heard can't be done!, ) thanks for the details of the mods, I have put a note with my castings..! Dave