8 x 6.5N As above.
8 x 6.5 Too much load on most engines, fast if it can be made to work.
8 x 7N A very successful prop especially on OPS, best time of 1.11
8 x 7.5N Gaining favour as power levels increase, the best time of 1.13
P8 (7.7 x 6.8) A variation of the 8 x 7N.... infact a copy of the 1.11 version.
P9 (7.8 x 7.0) DeChastel designed large 1.5" hub prop. No spinner required.
P10 (7.7 x 7.5 +) Our latest prop, for Rossi, Jett etc. Best time 1.08.
P10B (7.7 x 7.2 +) NYA... Lower pitch version of P10, when less load is required.
P11 Based on the successful Harvey Westland (N.Z.) designed propeller.
Props for Australian Quarter Midget, using piped .21 engines.
7 x 5.5 Must be trimmed down in diameter to perform. Best time 1.09.
G22 (6.6 x 5.3) The 'standard' prop. Best time 1.07
G23 (6.6 x 5.6) A higher pitch G22. Best time 1.07
QM4 (6.4 x 6.6) An all new shape....best time 1.07. Best in c/f only.
QM5 NYA New single blader, with integral counter weight..
Props for Australian 1/2A, using .11 engines.
6 x 4 For lower power engines.
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