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1 | Automation Aero Challenge Powerplant Calculator | |||||
2 | ||||||
3 | Username | |||||
4 | Challenge Name | |||||
5 | Engine Family + Variant | |||||
6 | ||||||
7 | Engine Parameters | Alternate Units | Unit Conversion | |||
8 | Challenge Year | 2016 | Calculator | |||
9 | Engine Weight | pounds | 0.0 | kilograms | Kilograms | |
10 | Engine P Units | |||||
11 | Engine Mat Cost | Pounds | ||||
12 | Engine Reliability | 0.0 | ||||
13 | Maximum Engine Output | horsepower | 0.0 | kilowatts | Kilowatts | |
14 | Gearbox Flat-Rate Engine? | No | (*) | |||
15 | Flat-Rated Engine Output | horsepower | 0.0 | kilowatts | Horsepower | |
16 | Fixed Pitch/Constant Speed | Fixed | 0.0 | |||
17 | Engine RPM | |||||
18 | Reduction Ratio | Enter "1" for no gearbox | ||||
19 | Planned Speed | knots | 0.00 | mph | ||
20 | Propeller Diameter | inches | 0.00 | km/h | ||
21 | Number of Blades | 2 | ||||
22 | Propeller Material | Metal | ||||
23 | ||||||
24 | Recommended Propeller Stats | Performance Estimates | ||||
25 | ||||||
26 | Recommended Pitch (*): | #DIV/0! | inches | Static Thrust | #DIV/0! | pounds force |
27 | Propeller Tip Speed: | #DIV/0! | feet per second | Required Power | #DIV/0! | horsepower |
28 | #DIV/0! | m/s | Takeoff | Climb | Cruise | |
29 | Propeller tip Mach: | #DIV/0! | #DIV/0! | #DIV/0! | #DIV/0! | #DIV/0! |
30 | Propeller RPM: | #DIV/0! | Cost Estimates | |||
31 | Advance Ratio: | #DIV/0! | TBO | #ZAHL! | hours | |
32 | Blade Angle: | #DIV/0! | Engine Cost | $0.00 | ||
33 | Prop Weight | -17.00 | pounds | |||
34 | (*) Flat-rating the gearbox allows a powerplant to utilise a smaller propeller and reduction gearbox, while allowing for an "oversized" engine to produce the desired power over a wider altitude range. | Prop Cost | $700.00 | |||
35 | Gearbox Cost | $0.00 | ||||
36 | Gearbox Weight | 0.00 | pounds | |||
37 | ||||||
38 | (**) For constant-speed propellers, recommended pitch is not important. | Powerplant Cost | $700.00 | |||
39 | Powerplant Weight | -17.00 | pounds | |||
40 | (***) It is recommended that propeller tip Mach be below 0.75 and not exceed 0.85. | |||||
41 | ||||||
42 | Please fill out this form and submit a PDF copy of this form with your engine family/variant files for evaluation. | |||||
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