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1975 OS MAX 15 RC Cox_ba12




1975 OS MAX 15 RC Pixel

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1975 OS MAX 15 RC

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1975 OS MAX 15 RC Empty 1975 OS MAX 15 RC

Post  ian1954 Sat Mar 01, 2014 2:47 pm

1975 OS MAX 15 RC 1975_o10

1975 OS MAX 15 RC 1975_o11

All screws on his engine are M3 x 0.5
ian1954
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1975 OS MAX 15 RC Empty Re: 1975 OS MAX 15 RC

Post  Ken Cook Sat Mar 01, 2014 5:18 pm

Ian, that's my all time favorite, sweetest running OS I ever used. My dad had a fairly large styrofoam full bodied Cessna 150 that was powered by this jewel. It would run ALL DAY LONG and never ever skip a beat. We would run that plane virtually 30 min at a time as soon as it landed, it was refueled and put back up. Mine is sitting in a cabinet and has low compression. I pick it up from time to time and give it a few flips. It just reminds me of the great times my dad and I spent flying it. Why this was discontinued is beyond me. While the newer .15's were more powerful, these were a perfect match for both r/c and also control line planes as they were a terrific running engine. Ken
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