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Master Airscrew - MASQ1220 MASMA0630 MA0630 607370200636 0607370200636
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Master Airscrew 6x3 1/2A G/F Nylon Propeller
Master Airscrew 6x3 1/2A G/F Nylon Propeller
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Tech Notes
This is the Master Airscrew Injection-Molded 6x3
Fiberglass Filled Nylon Popeller.
This 1/2A Prop is excellent for Small Airplanes.


NASA Airfoils and Constant-Pitch Designs enable this Propeller to
deliver more Thrust at Lower RPM.
The Latest in Engineering Technology used for this Updated Design.
Lower Noise and Accurate Balance
Available in a Wide Array of Sizes to Suit Every Application.
Propeller is totally fuel-proof.


One Black 6x3 Fiberglass/Nylon Propeller


Hole Diameter: 3/16" approx.
Propeller Diameter: 6"
Propeller Pitch: 3"


Depending on the engine crankshaft size, the propeller may need to
be reamed to a larger size using GPMQ5005 (SAE)) or
GPMQ5007 (Metric).


Four-stroke engines are typically higher torque engines and should
use the larger props indicated in the range.
Recommended prop ranges will vary depending on your particular engine
and airplane.
The Chart below represents average prop usage and should be used as
Only a General Guideline. Always refer to the manufacturer's
instructions included with your engine.
Engine Size 2-Stroke 4-Stroke
.049-.051 5.5x4, 5.5x4.5, 6x3, 6x3.5, 6x4 N/A
.09 -.10 7x4, 7x5, 7x6 N/A
.15 7x6, 8x4, 8x5, 8x6, 8x7 N/A
.20 -.25 8x6, 8x7, 9x4, 9x5 9x4, 9x5, 9x6, 9x7
.29 -.35 9x6, 9x7, 9x8, 9.5x6, 10x4, 10x5, 10x6 N/A
.40 9.5x6, 10x4, 10x5, 10x6, 10x8, 10x9 11x6, 12x6
.45 -.50 10x8, 10x9, 11x4, 11x5, 11x6, 11x7, 11x7.5 N/A
.60 11x5, 11x6, 11x7, 11x7.5, 11x8, 11x9 11x8,11x9,12x6,13x6
.71 -.80 12x6, 12x8, 13x6, 13x8, 13x10, 14x8 N/A
.90 13x6, 13x8, 13x10, 14x6, 14x8 11x9,12x8,14x6
1.08 14x8, 14x10, 15x8, 16x6 N/A
1.20 14x8, 15x8, 16x6 14x8,15x8,15x10,16x8
1.5 16x8, 16x10, 18x6, 18x8 N/A
1.8 18x8, 18x10, 20x6, 20x8 N/A
2.1 20x8, 20x10 N/A
2.7 -3.0 22x8, 22x10, 22x12, 24x8, 24x10, 24x12 N/A

JAL 9/15/98
updt jxs 7/22/03
updt jxs 12/27/12

– If you need more information, use these Master Airscrew resources –
Phone: 916-631-8385   Postal Address:
Master Airscrew
PO BOX 250

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