First step with this tiny engine was to do the one thing they don't provide for - make it so it spins. They recommend drilling a hole in the back and using a toothpick to hold the crankcase while installing the parts. I drilled a hole and glued in a piece of brass wire. A short piece of tubing is slipped into place and another short tube glued in after it. The free-spinning first tube will be glued into a hole in the forward fuselage. If all goes well it will allow engine and propeller to spin. I've done this many times before. I've also botched it up more than once.
