Originally Posted by
buzzard bait
Yeah, depending on the type of plane, either 7x3 or 6x4. Turns out MA and APC both make 7x3s. You probably won't have a problem with the hole, certainly not with a 6x4.
The MA 7x3 is a much better choice than the APC 7x3-the latter is a lot more load-and these wee ones do prefer to rev. There is also the narrow bladed 6.5 x3 Master which allows it to really turn up.......
ChrisM