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Post  ian1954 Sat Jun 04, 2016 6:48 pm

NEVER EVER run one of these without stripping down and cleaning.

Every one I have had swarf and cutting fluid in varying degrees in them. They are CNC produced and assembled without the parts being cleaned. That said, they are very good runners and nice "sports" engines.

However, they do not take too kindly to tuning or contest props. An 8x3 and often an 8x4 will result in a broken crankshaft. Pukka Ollies use EN36 for the crankshaft.

CS Oliver Tiger clone 2.5cc Cs_oli10

I wouldn't drop below a 9x4 on this.
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Post  Ken Cook Sat Jun 04, 2016 6:53 pm

Ian, I recently came across a post stating that CS had closed shop. I don't know if this is rumor. I had some rear exhaust speed engines from them that I did like. Ken
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Post  ian1954 Sat Jun 04, 2016 7:16 pm

Ken Cook wrote:            Ian, I recently came across a post stating that CS had closed shop. I don't know if this is rumor. I had some rear exhaust speed engines from them that I did like. Ken

That is true Ken, they no longer produce model engines. I've mentioned this with reference to the Redfin engines - production now moved to the Ukraine.

You probably are referring to the CS 0.8cc and 2.5cc speed engines - the CS 0.8cc speed engine won several Nats championships in the 1/2A speed class. The speed engines started development in 1981 but for China team members only. Not sure when exporting these to the US started.

CS engines were supported by the Chinese government until 1994 and became a private company in 1998. They produced a lot of engines including the Clanford Clans,
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Post  Oldenginerod Sat Jun 04, 2016 8:34 pm

CS engines website is still up and shows only the OT twin in stock.

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