ORIGINAL: Lazer
I've enjoyed the conversations and it's cantor. Keep it up.
I have just one question that relates to the older Perry Pump I have before the ones offered now that is diaphragm operated
will or
will not work on my OS .91 FS Surpass and what would be the least expensive, but dependable. I'm thinking that I will be using a newer engine if I can trade for one. I've found an OS 1.20 FS II Pumped that should pull a 8.5 lb plane very well on a prototype OS pipe I came across. What ever ideas come out of this will be great.
TMc
Unless you are interested in flying FAI pattern competitively, you will not need a tuned pipe for a four-stroke glow engine. Their sole purpose in competition is quieting, not power gain, though some try to sucker others into believing that their setups do provide a power gain over other setups. What they ultimately do is to not restrict the exhaust when compared to open exhaust, which is not the same thing as a true power gain.
Ed Cregger