OS FS 120 SP Spark ignition MÜLLER
A 4 stroke model engine OS FS 120 SP Kompressor equipped with a Günter MÜLLER spark ignition and a RIMFIRE 1/4-32 micro spark plug
OS LA 15 spark ignition
my la15 running with methanol and spark ignition. this time i done the timing better. at the end i rev it too much and my magnet flys of the ...
free flight spark ignition vintage model airplane Goudvink
Goudvink a Dutch free flight Petrol engine model aeroplane from 1945 the first test flights , engine used a OS K-6 replica , timer a camera timer ...