I’ve single point machined acme / buttress/api oil pipe/metric/ British/UNJ controlled root radius aerospace/and 🇺🇸Threads for decades. Very good advice from your fellow model boaters. I rather make my own parts instead of buying 🏁🏁🏁🚤
Why do props have .008 to .010 thousands clearance over the shaft diameter (.250)? I think a balanced prop that is not a slip fit to the shaft would not run concentric and result in excessive vibration and wear on the strut bearings/bushings. Any advice or suggestions?🏁🚤
Any advice on changing stock 1.8 pitch 3 blade to a 1.74 pitch 4 blade or 2.6 pitch cleaver 4 blade on Zelos 48” gas 30cc. All are the same diameter 67mm