datablock PlayerData(PlayerHalfJumpArmor : PlayerStandardArmor)
{
jumpForce = 5 * 90; //8.3 * 90;
jumpEnergyDrain = 0;
minJumpEnergy = 0;
jumpDelay = 0;
minJetEnergy = 0;
jetEnergyDrain = 0;
canJet = 0;
uiName = "Half Jump Player";
};
That should work.