Prop Calculator at App Store analyse

App power index: 110 (based on ranks around App Stores today)
Utilities Productivity
Developer: Knightling
Price: 0 free
Current version: 1.0, last update: 6 years ago
First release : 17 Apr 2015
App size: 1.16 Mb
4.8 ( 608 ratings )
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Estimation application downloads and cost

> 2.42k
Monthly downloads
~ $ 990
Estimation App Cost


Prop Calculator is a tool that calculates good propeller solutions for a given vessel and engine configuration. Prop Calculator determines both the diameter and pitch for a suitable propeller for both 3-Blade and 4-Blade configurations. It also provides an estimate of the recommended propellers efficiency and the vessels top speed with the given propeller.

Some assumptions must be made to reduce the burden of data collection on the user, and no computational model exists that can account for all of the complexities involved in marine propulsion. As such, the numbers presented by Prop Calculator should be treated as guidelines only, and the experience of a qualified professional should be relied upon to make any final determinations.
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Available in countries
Country Price
Canada 1.39 CAD
China 6 CNY
France 1.09 EUR
Germany 1.09 EUR
Italy 1.09 EUR
Netherlands 1.09 EUR
Portugal 1.09 EUR
Spain 1.09 EUR
Poland 1.09 EUR
UK 0.99 GBP
India 80 INR
Japan 120 JPY
Poland 4.99 PLN
Russia 75 RUB
Turkey 3.49 TRY
USA 0.99 USD
Korea, Republic Of 1.09 USD
Ukraine 0.99 USD
Available for devices
iPhone3GS, iPhone4, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74,