meglin
Pre-takeoff checklist
No, we don't make propellers for that power.
The Americans put our 3-and 4-blade propellers on their planes with 300 HP engines and even win competitions on them. But these are risky actions and I do not support them. We are not yet engaged in propellers for engines of this power (except for the case of manufacturing a 4-blade wooden propeller for testing and running-in of engines)Any work towards a propeller suited for 350-400 Horsepower? 4-blade, variable pitch prop, 74-76 inches in diameter?
Why do you say that? They seem popular on the BristellThat's one I'd be interested to try. The French Duc propeller is not so good.

Yes, we are in Kharkov. We rested from shelling for about 1.5 weeks. They launched public transport, the metro, people began to get to work. Even gasoline appeared on sale for 2 euros. Resumed utility bills. Unfortunately, shelling, fires, again dead and wounded citizens returned. Our production of marine boats burned down. Of all the equipment, only the matrix for the largest boat survived. But the refugees are also having a hard time. Relatives in Germany for two months without medicines, without money, without work, live in a closet together on a single bed in some village. It was impossible even to buy medicines for asthma and hypertension there. We say: "Away is good, but home is better." And they say: "Houses and walls help." True, if they are intact ...