big-block


Homemade Big-Block 220cc V4 Powerhouse

Homemade Big-Block 220cc V4 Powerhouse

Now here’s a great-sounding engine! Detlef Kunkel designed and made this four-cylinder, V-construction four-stroke with a transmission reduction of 1.7. The 220cc engine’s shaft power is 25hp max. Intended for 110- to 130-pound RC model planes, it spins an SEP 35×20 three-blade propeller at 3700 to ... Continue reading ... Join our premium membership!
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