RC 2 or 3 blade prop spinner
thingiverse
The 3-bladed prop spinner is engineered to meet GWS 8x4x3 prop specifications, while the 2-bladed prop spinner is designed specifically for APC 8x4.5 MR prop specs. I custom-designed these spinners for my FRC Lancaster RC airplane. The spinner top is securely attached to the spinner base using servo screws. An optional 1.5mm thick washer plate provides clearance if needed. I recommend printing all parts with a single perimeter and 10% infill only for the base plate and the washer. This results in an approximate weight of just 6-8 grams. Credit goes to me for designing the base from scratch, although I drew inspiration from this existing design: https://www.thingiverse.com/thing:44872
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