It took me 2 days to get the right sound also run this at 12000 Khz if you want the best sound makes almost stock hp ...

This giant radial 7, which was me slicing the other 21 cylinders off of my Wasp Major and then tuning to hell and bac...

this engine is bone stock makes 130 HP and not a lot of torque

I just smooshed 2 4A-GE's together and this also has VVT

This thing revs to 16000 rpm and makes 800 HP it has the same firing order as a inline 5 but is a V10

Its not really offset crank, since with multiple cylinder banks you can't just move the crank position, I had to figu...

This thing is wacky 2 cylinders fire at the same time it sounds amazing and makes 850 HP at 15500 RPM this thing revs...

makes a little less horse power than stock because of high miles

[Updated on 05 May 2023] The R-4360 was Pratt & Whitney's last aircraft piston engine, as well as the largest and the...

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[Updated on 02 May 2023] Napier’s unusual H-shaped engines were originally designed in 1928 with 16 air cooled cylind...

v10 go brrrrrrrr

very goofy

[Updated on 05 May 2023] The XR-7755-3 is the largest, most powerful reciprocating aircraft engine in the world. Duri...

[Updated on 05 May 2023] In 1939, the Air Corps identified a need for flat, H-type engines for installation in bomber...