trim tabs rfs trim tabs
the new compact RocketFlap Lite is a marine trim tab system
INVENTED to boost runabout hulls onto the plane automatically
for sale

home trim tabs hard lift trim tab sysyem on the plane trim tab trim tabs how they work calculate transom angle for trim tab system for sale
  calculate transom angle ...
  Simply by utilizing a boats own forward motion while accelerating onto the plane, downward deployed trim tabs, retarded by rams, are gradually pushed up by the resultant water pressure achieving the desired LIFT to assist the boat onto the plane effortlessly ...  
    Transom Angle Calculation       use the following method to calculate your boats transom angle    
 
Most runabout manufacturers produce hulls with some transom angle. The angles can vary depending depending on the manufacturers designers criteria. Use the method shown to calculate any boats transom angle. All that is required is a straight edge and anything that has a right angle.
transom angle
The RocketFlap System is suitable for boats with a transom angle between 0 and 20 degrees. The form to the right is intended as a guide only, verify the results with your boats manufacturer!
Results of the calculation are rounded up or down to the nearest degree.



Asymmetric
al trim tab plates
 
A right-angle and a straight edge can be used to calculate a boats transom angle.

Enter X and Y lengths e.g. X =4.5 inches and Y =18.5 inches
Enter only numbers.....

You can test the calculation script by entering two identical numbers in the X and Y boxes...give it a go!
 
enter boat name (optional)
e.g. enter 2 X
e.g. enter 9 Y





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