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 ...

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4 Comments

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  1. Sounds as good as it looks!

  2. I agree with Alicia – great work!

  3. Wow! What a wonderful job of designing and building. I agree, the sound is amazing!

  4. Dad was a 15 year old RAF volunteer in WWII & became an engine fitter working on RR Merlins & the like but when posted he never got off a boat … RAF Marine Services Air Sea Rescue … 95 & still going strong retired from Rolls Royce & Air Canada … He is truly amazed at the exquisite machining & engineering design skills involved in producing this mechanical work of art … Kudos to all involved … Fly Safe & Live Long.

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