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For a Detailed List of Drive Gear Ratios & Identification Please Select Your Drive Below:
Pre Alpha & Alpha
Bravo All Models
TR,TRS & Black-Hawk
Prop Calculator
Enter Actual RPM & Speed Observed Along With Your Drive Ratio and Prop Size.
Prop Calculator
Observed Actual Speed MPH
(required)
Observed Actual RPM
(required)
Drive Gear Ratio
(required)
Prop Size "Pitch" Inches
(required)
10 Size In Inches
11
12
13
14
15
16
17
18
19
20
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28
Actual Results
Actual Prop RPM
Theoretical Speed “MPH”
Calculated Slip in Percent
Results
Prop Size & Speed In MPH
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28