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| BronxFigs:
Anzaniste... Just wondering if any alternative ignition systems would work other than a Magneto. If I am successful in building this engine, I will only run the engine for demos and possibly at outdoor shows. I just wondered if anything else could be used for sparks. It's nice to have options. ****************************************************************************************************************** @ Forum Members: Questions..... I have some thick-walled (0.3750") steel tubing that I can use for cylinder material in lieu of a cast iron liner. Can I run a 6061 Aluminum piston with cast iron rings in the steel tube? Should I just buy a commercially available piston, and ring set? This engine is air-cooled, and designed to have fresh air blowing across the cooling fins for heat dissipation. Will cooling fins be adequate for stationary demos and intermittent running at shows etc. With the large amounts of iron mass at the top of the cylinder, will this be enough of a heat sink to keep the engine at working temps? Do you think an accessory fan blowing across the engine cylinder will be needed? Thanks for the help. Frank |
| OKTomT:
Thanks guys Frank I built the mag. its not really a mag. it just has a set of point in it . The battery and coil are hidden in the gas tank shell that also has a small gas tank in it. you can use the a steel liner and aluminum piston with cast iron ring for your engine if you don't plan on running it much. As for the cooling it helps to run low octane fuel like coleman. No fan needed. I got your mail. it might be easer if I call you to answer some of your questions. Tom |
| BronxFigs:
Tom... Thanks for the new, and unexpected information regarding the "magneto", the cooling, and the fuel recommendations. Now, I may want to re-think my piston material choice judging by your answer..."if you don't plan on running it much".... These last few words have me a bit concerned. I'll be a little more specific when I contact you in the near future. I want to get some materials, and questions ready. Many thanks. Looking forward to new photos, and postings. Frank |
| John Stevenson:
--- Quote from: awemawson on July 15, 2013, 11:21:13 AM --- --- Quote from: John Stevenson on July 15, 2013, 08:18:46 AM ---5 pages of posts and it runs. Mawsons lathe is up to 14 pages and it's still not run yet :poke: :lol: :lol: :lol: :lol: --- End quote --- Not quite factual John but I won't rise to the bait :headbang: (Collected 3 metres of 50mm EN8 today - now what's that all about? ) --- End quote --- Sounds like tool holders ? |
| OKTomT:
I reworked the ignition system and put the Honda carb. back on after drilling out the jet.It runs a lot better now. looking at this video the timing needs advanced. Tom |
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