undercover500
Seaman Apprentice
- Joined
- Apr 21, 2022
- Messages
- 42
How much speed do you gain, going from a 4 blade to a 3 blade? Assuming RPM's stay the same, or increase a little. Just curious, obviously it won't be the same across the board, but what would you estimate? 1-2mph? 3-4?
We're getting 45mph out of a 4 blade at ~5,600rpm, so a bit over propped, we're going down to a 15 pitch 4 blade soon, as our engine can rev up to 6,300. It'd be interesting to see how fast a 3 blade would push us at 6,300rpm.
We're getting 45mph out of a 4 blade at ~5,600rpm, so a bit over propped, we're going down to a 15 pitch 4 blade soon, as our engine can rev up to 6,300. It'd be interesting to see how fast a 3 blade would push us at 6,300rpm.