Basil

Thank you David for your reply. I have some really old models but alas they dont like wind . I have some Ben buckle kits that I have aquired along the way.Theres just some thing about them. Many thanks Bas

David, re the Radio Queen...... I was given to understand that these older design models dont perform well in anything other than a breeze. Is it better weather over there in France or does the radio queen buck the odds on that issue. How does that sort of airframe fair when exposed to the rigours of Training. That goes for the holigan as well.Thanks Bas

Thanking you all for your input. Bas

Can some one tell/ advise me as to what I can cover my plan when building over it. Cling film and several others are OK when using water based adhesives but I have taken to using Cyano of late and they attack what I have been used to using so far. I hear that Cellophane is a possibility ! What alternatives are available , freely, with thanks.Bas

Hi again, I now understand what wash out is. Usually If every item is a good tight fit on dry asy , I can go round with the Cyno. So if thats the case with the wings in question, I can pin to board raising the rear of the wing tip , in my case by 1/4", then add cyno. The wing edge is only pinned on the LE and inner TE. Assuming that its flexible enough to get the twist that is!!!!!.Bas

Thanks Ernie, so the measure of 2 degs is along the wing tip, not the wing length?? Makes sense, thanks. What do you do about the Ailerons, I had presumed that they would still be in line with the rear wing edge as normal. bas

I have to build a wing with 'Washout' according to the article. Question one, how do you do this? Second ; How do I measure 2Degs of washout, or put another way how do I build in 2 degs of W/O for a wing thats 31" in length (each wing)attatched to wing stubs already present? What about the ailerons, as they cover half the wing length, surely they must show the same characteristics.!!!!! Build wing first then make to fit? Bas

Its a BT router , think it uses both freqs. Bas

My BT router wont work thru' walls, had to use an adapter that transmit thru' the mains wiring.Bas

For the Optica build the motor is to the rear of the CG, Battery to the frontish( Lipo more wt than a motor) Sorry did not say that before Bas

For the model in mind I can place the battery almost under the CG, well not quite . Bas

I am going from 61 IC to electric.Bas

Thank you to all those that contributed, Bas

I have never been involved with IC engines and need some advice...... I am trying to find the weight of a tank and fuel that would be used for a 61 motor. This is to help plan a build in electric what is on plan as a 61 motor. I am aware that the choice is rather open to choice or what space dictates. Many thanks Bas

I need to digest this info, in the meantime .............. I dont want to muddy the water but I need to run a three bladed prop!!! Is there a calc for it or will it need to be measured?.