HS, looks the part!~ I read what your saying, I was just unaware that you could put a 90 degree bend in exhaust in order to get full results? Once again, it does look the part!!!!!!!
gas flow is not pressure waves! so yep, a pipe can look like a snail. or turn a ridiculously tight bend whilst still being effective.
too tight a bend and the gas breaks into turbulence. doesnt effect the pipes workings but does effect general flow in the system...
ahhh, curtis. old school heli master. the pipe itself though... hard to say.
physics be physics, and you cant alter how far the waves need to travel.
you cant "squash" a pipe into a shorter length concentrically.(unlike mirrors and lenses!)
but you could, i guess, somehow snake it around, the pipe has to stay within dimensional limits...
bends and joins equal time and money. tough luck. this clears everything nicely and should fit most frames and mounts entirely to the motor
the curtis pipe just looks like a standard expansion chamber, fed in at right angles. an expansion chamber, not a tuned pipe. big difference. an expansion chamber is exactly that, a chamber for expansion. its more of a silencer than anything.
helis require a fair bit of power but dont appreciate "pipey" behaviour, ie, powerbands etc. they want the motor to sit at various rpm's and stay there, predictably. they use 25% nitro for the power.
even an R/C car can become unuseable when the pipes too effective!