loukos

My Feedback: (2)

Im finishing my royal/marutaka p51 senior. I have incorporated more-close-to-scale retract wells and scale doors. However i think i shot myself in the foot. I am using Robart 510's(air up spring down), complete with robostruts (7/16) and the master plan was to use the Ultra Precision U.P.2 valve for the inner gear doors. However reading the specs (yes, should have done this before getting the retracts) these valves only work for air up and down retracts, not spring down.

Has anyone 'played' around with such a combination? Can i block the air down nipples of the valve and still operate it correctly or do i need to get the credit card out again and get a new set of retracts?

Any advice is more than welcome.

Regards

Loukis

Peter_OZ

My Feedback: (1)

my advice is to set up a dummy rig and try blocking those lines and see what happens before fitting the retracts etc to the model.

loukos

My Feedback: (2)

Hi Peter,

The problem is I really dont want to fork out $ on the U.P2 valve and find out it doesnt work, I actually did some surfing on the net since i posted this and found some electronic vaves used on jets, however im a bit weary of the weight they will add to the airframe.

The Royal P51 has half the Amazon forest in it, honestly at times i felt i was just carving it out of block balsa.

Peter_OZ

My Feedback: (1)

did you send UP an email and ask them the question? Personally I don't think the valve will work correctly if you block off lines. However you may be able to foot it if you added in a cylinder in the fuz that did nothing,. . .