That CG point

That elusive CG point

 Start working on it at 25%  for safety

working back on the mac line untill your plane flies

at its best .

 

Elevator responce, and knife edge flight with rudder input will tell you when

you are close to optimum point

 

Cheers

 

Johan

 

Sbach 342_1200mm span

Hi folks

Probably the most fun for your bucks, a foamy aerobatic model from Hacker
Note the large main wheels for grass fields use

Also see the video below this post

Cheers

Johny.prop

Sbach 342 _ 1200 Hacker model