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Master Airscrew - MASQ1402 MASMA1255C MA1255C 607370412558 0607370412558
Manufacturer Stock#
MA1255C
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  Tech Notes

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Master Airscrew 12.5x5 Classic Series G/F Nylon Prop
 
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Master Airscrew 12.5x5 Classic Series G/F Nylon Prop
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Parts Saver Eligible:Yes

Stock Number
LXNGU9
Retail Price
4.59
Tower's Low Price
$3.59
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Stock Status
In Stock
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Tech Notes
 
NOTES FROM OUR TECH DEPARTMENT
- This is a Master Airscrew Injection-Molded Fiberglass-Filled Nylon Propeller.
The Classic Prop is Designed to Look Scale on Piper Cubs and
Similar Aircraft from the 1930s and '40s.

FEATURES

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.
The Blades have an Elliptical Planform with rounded tips which
are painted white.

INCLUDES

One Black 12.5x5.5" (31x13cm) fiberglass/nylon propeller

SPECIFICATIONS

Hole Diameter: .25" (6.4mm) approx.
Propeller Diameter: 12.5"
Propeller Pitch: 5.5"

REQUIREMENTS

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

COMMENTS

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 rmb 8/30/06
.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

rmb8/26/06
ir/jxs

– If you need more information, use these Master Airscrew resources –
Phone: 916-631-8385   Postal Address:
Master Airscrew
MASTER AIRSCREW/WINDSOR PROPELLER
PO BOX 250
RANCHO CORDOVA, CA 95741

Click here for Units of Measure Conversion Calculators

 
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