Hi,

In the misc. section of the dp file there are entres for speed.  These only affect the Min./Max values for the Mission  Builder. Otherwise you would edit the .air file and if you want to increase top speed (well their is a lot of data that affect speed) but you could just give it a bigger motor.

Hope this helps.

I increased the engine thrust on a jet I like and discovered several more things that also need changing.

The brakes need to be beefed up because low end thrust of the new engines makes the plane taxi a lot faster even with the engines at idle and the parking brake doesn't hold the plane very well.  You don't want to run into the building in front of you before you're ready to taxi.

The coefficient of friction should be reduced or you use a lot more fuel and it just plain takes longer to get to those higher speeds.

And if you reduce the friction of the plane you'll probably need bigger spoilers and flaps to slow down for landing.

I ought to fly higher to get better fuel economy but the engines start to get oxygen starved.  So that needs work.

Other than all that it's still a nice plane to fly.

gw