Rms 29/40-120

Tons of people ask me what is a Rms 29/40-120. An Rms is a cheaper alternative to single use engines. Instead of buying an engine already built you buy a metal case and make the engine your self. This doesn't mean making the propellant. You buy a reload which has the propellant in a paper tube it also comes with the other parts to make the rest of the engine (ejection charge,delay, etc). Instead of buying a single use engine you just assemble the engine into the casing. The main reason I want to get it is because a reload for a G engine costs $8.00 and a single use G engine costs 22. The Rms can hold E, F, and G engines. This would cover all of our engines we need for mid power rockets. They are cheapest at hobbylinc.com