scott finnie Posted August 29, 2018 Share Posted August 29, 2018 Hello everyone Before i go daft cutting and extending i would like to put across what I'd like to do for your opinions I have the ill-fated Wot4 mini. I'm thinking of extending the wingspan a little and also making the leading edge thicker and flatter to slow her down a little and attempt to gain more lift. Also going to shorten the length of the ailerons Anyone else changed much on there's Thanks Scott Quote Link to comment Share on other sites More sharing options...
Denis Watkins Posted August 29, 2018 Share Posted August 29, 2018 Am with you on this Scott, as the present wing stops flying at about 15 mph You are OK with the ailerons as usually the outer quarter does most of the work. I increased the inner chord by attaching an extra 10mm strip each side on the aileron as an experiment With some improvement An extended wing cannot do any arm, though turned up ends would improve stability But the tail will work harder, so consider a percentage increase on the horizontal stabiliser Quote Link to comment Share on other sites More sharing options...
andyh Posted August 29, 2018 Share Posted August 29, 2018 what are the chord & section thickness measurements on the model? when we get down to narrow chords & low airspeeds - ie low Reynolds numbers below ~50k - thicker/blunter sections are a Bad Thing, contrary to what we might expect in a more normal sized larger model. increasing the span, if you can do it to reduce the wing loading, would probably help; blunting/thickening the section, probably the reverse. Quote Link to comment Share on other sites More sharing options...
scott finnie Posted August 29, 2018 Author Share Posted August 29, 2018 Hi Dennis and Andy I think I'll go with increasing the wingspan to start with. Looking at 6" to start with and fitting some savox Servos that i have sitting around as the stock i don't trust. I'm happy enough with the stock motor and esc for the moment and 2s 800. The undercarriage must go i think too. I haven't had issues with it bending though don't want to worry about a not so smooth landing stopping future flights Quote Link to comment Share on other sites More sharing options...
Former Member Posted August 30, 2018 Share Posted August 30, 2018 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
Denis Watkins Posted August 30, 2018 Share Posted August 30, 2018 Posted by Percy Verance on 30/08/2018 05:42:39: Trouble is, how far do you go before it's a new model? How true Percy, and Scott, I have completely rebuilt an undercarriage and mount, the powerplant is more than adequate, as you say Scott But from the box, a scaled down beautiful Wot 4, just does not fly or glide. It is not the weight, as this is within small electrics weight It is the wing at fault Quote Link to comment Share on other sites More sharing options...
andyh Posted August 30, 2018 Share Posted August 30, 2018 Posted by Percy Verance on 30/08/2018 05:42:39: Trouble is, how far do you go before it's a new model? it can be a mini "Trigger's Broom" Quote Link to comment Share on other sites More sharing options...
Darren Stephenson Posted July 8, 2019 Share Posted July 8, 2019 im back ,1m of solar film and some of grandads balsa and it flys straight,going to try some sharlklets and top mini wing ,want to add some pics ,can somebody pm how to do it ,i am computer savvy Quote Link to comment Share on other sites More sharing options...
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