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Master Airscrew - MASQ1139 MASMA1280B MA1280B 607370701287 0607370701287
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Master Airscrew 12x8 Beechwood Propeller
Master Airscrew 12x8 Beechwood Propeller
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Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
Master Airscrew 12x8 Beechwood Propeller Add to Wish List
9.45  Buy Now .42  
Master Airscrew 12x8 Beechwood Propeller Add to Wish List
18.78  Buy Now .96  
Master Airscrew 12x8 Beechwood Propeller Add to Wish List
12 37.32  Buy Now 2.16  

Regularly Purchased Together
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Tech Notes
This is a Master Airscrew Wood Props are made of Lightweight,
Kiln-Dried Beechwood. Props with Larger Diameters Greater
than 16 inches, are Made from Heavier Maple.


All Wood Props, feature classic Squared Tips and Ample Airfoil
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 12x8 Wood Propeller


Center Hole Diameter: 3/16" approx.
Propeller Diameter: 12"
Propeller Pitch: 8


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

– 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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