Hello everyone. Does anybody know where I can find an aluminum 1.75" scale prop nut for a DLE-55? It is going on a TP giant scale P-47. Also the DLE-55 specs. for the prop is 22 x 8-10 or 23 x 8-10. Or 3 blade prop 21 x 11.5n or 22 x 10n. Can I run a 4 blade prop as well? Thanks. Tim</p>