Homemade MP 3.2 cc glow engine running in

My second handmade model engine, my own design, second run.
Displacement 3.2 cc (.19 cuin)
Bore :16mm
Stroke: 16mm
Fuel :Methanol/Castor oil 74/26%
Propeller Master Airscrew 9x4 ,
Set to fast fourstroking ,
cca 8900 rpm ,
peak at the end is about 12000 , but i am not sure :)

[@juliocesarmonsalvo7442]

the engine is excellent do you have the plans of the engine?

[@ixb1]

Thank you. Plans is available here www.homemodelenginemachinist.com/threads/mp-3-2cc-glow-engine.26858/