julianconde
Well-Known Member
- Joined
- Jan 22, 2009
- Messages
- 5,655
thats what im about to do ill let you know how it works andy..
julian
julian
I am not sure your loosing a great percentage of the heat down the lower unit though a simple insulator could not hurt. The main source of heat is the head, upper cylinder and out the exhaust. The front half of the crankcase is basically cooled by the air & fuel induction through the carb and intake of mass quantities of air. If your looking to retain created heat the hottest part is the exhaust. I have had success powdercoating pipes and maybe the carbon fiber pipe retains heat also though the choice of volumes and shapes are better in aluminum. Not a big selection of CF pipes for OB's. Inboard pipes are better shielded by cowls and hulls where OB pipes just hang out in air and water spray. I have also wrapped pipes with some success but I prefer powdercoat.i remember reading a while back where someone was going to make a insulator out of g-10, 1/32" for between the powerhead/lower unit. never heard how it turned out. i made a gasket 1/32" out of regular gasket material. oil,water,gas,solvent resistant. haven`t tried it yet. am i wasting my time with gasket material?. input appreciated.
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