(1) *Catapults and removers.*

using equation (31).

and where

friction and the quantity

sin a corrects for the angle of thrust with the horizontal. For downward

ejection, the plus sign in equation (32) would be replaced by a minus sign.

2

C=kWv

(4)

This equation is a modification of equation (31). The constant, *k, *was determined by letting γ =1.25,

includes a term to permit propelled weight to be substituted for mass and another term to give the

-5

2

2

answer (charge weight) in grams. The constant was found to be: k =6.25 x10 gm sec /lb ft for

-1

2

2

catapults, and 5.38X10 gm sec /lb ft for removers.

(2) *Thrusters.*

Where:

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