jerrybern

Hello,
I need to purchase some air cylinders for the gear doors on my 1/4 scale Vampire.My question is How dp you measure for length and stroke ? slso whow os a good supplier for them? Maybe Robart , I live near them
thanks,
till next time
Jerry B

Dave Wilshere

Model Aviation Products. 7/16” dia. it’s the rod travel quoted, or talk to John

Vincent

My Feedback: (61)

Usually about 1 inch travel works for any gear door.

Boomerang1

Remember you can limit travel on air cylinders by sliding lengths of plastic tube on the shaft,
handy if the geometry of the linkages is not quite right.

RCFlyerDan

My Feedback: (54)

Great idea! I've used wheel collars, but the will slip. Your idea is more permanent.