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Wattaplane/Skywing 48" EPP/PLY hybrid Slick

wedoitall

wedoitall

Member
flew mine today also! first time with the wire LG plus i added CF to the trailing edges of the ailerons, elevator and rudder and on top of that i sealed my hinges. WOW made the Slick very very responsive. had to lower rates and bump expo up just abit. the control surfaces and no flex to them now. I love the wire LG, it pretty much made this plane flyable just about everywhere.
 
wedoitall

wedoitall

Member
there was only 3 things i didnt like about the wattaplane slick, LG bolts, wing bolts and tail wheel. well i broke my tail wheel assembly yesterday, actually wasnt even on a landing. i was holding the tail up with my hand and the wind knocked it out of my hand, the tail feel to the ground and the gear broke. so i made my own out of a dubro gear and an EF wheel. should work out pretty decent.

IMG_20130311_222614.jpg
 
hone

hone

150cc
I've been having a great time flying my Slick! It can sure wad itself up when you want it to and the 3D is really smooth.
 
wedoitall

wedoitall

Member
ha yea, its the only thing i had laying around. would have like to went alil lighter i have a CF tail wheel that needs some repair that ill probably use.

i was worried alil about weight my wattaplane weighs 48oz and im right on the border of 150watts per lb. using a 13x6.5. i static tested a 14x7 with my motorlfy 2815-950 and a CC Ice Lite 50..... i had a whopping 570 watts with a peak of 50amps on a fresh battery, the 50amps was when i first WOT. but the average was around 46 amps with temperature of 98 degrees after running it WOT for 30 seconds.

i emailed Steve @ castle to see if my graph numbers were OK. I was worried about the peak 50 amps. he said my numbers looked fine, no need to worry. he said cut-off temperature on their escs is 270 degrees and that he is happy if his runs below 140 degrees. so im gonna try out the 14x7 unless you guys think i shouldnt.
 
wedoitall

wedoitall

Member
had an awesome evening flying my Slick this evening*fist pumps i love this plane. first evening i really got to try out the mods, since the wind was alot less hairy today than my last time out. after i got my CG spot on, IT was on. rollers looked alot better. kept the 14x7 prop on this evening, much better than a 13x6.5 IMO. Highest temp on the esc was 89 degrees, with outside temp at 50. So as long as it stays around 40 degrees high than ambient temps i dont think ill have a problem.

oh , yea, you guys that have one, you need to rig up a different tail wheel. i was thinking about changing out the one i fixed up yesterday but after this evening its gonna stay on. no rudder drag'n on harrier landings, or even scale landings.

Did i mention how much i LOVE the wattaplane slick :D if you dont have one yet, do yourself a favor and go get you one!!!!! I promise you wont be dissappointed. i have read or heard of one person that was dissapointed with the wattaplane edge or slick.
 
rcguy1958

rcguy1958

50cc
I changed my tail wheel also, it had the tail sitting too low for harrier landings. My buddy had a tail wheel from a hanger 9 extra laying around that I used. Simple setup, Aluminum bracket, bent music wire and a nice fat 1" wheel. didn't change the cg at all.
I've got 9 flights total on mine, CG is on the money, perfectly neutral, all trimmed out for hands off upright and inverted, knife edge mixes all set ( not much in the way of mixes, only needed to add aileron to left rudder knife edge, right rudder just needed a little elevator)
I seem to have a small , I guess, "flat spot" in my throttle. It seems that between zero and 1/4 throttle there is very little response. My throttle calibration was done correctly, I tried increasing the timing, helped a little but it's still there. Would adjusting the frequency of the esc help this ? ( sunnysky 2820-950, ZTW "a" series 50 amp esc )
I also tried going to a 13X6.5 from a 14X7, slowed the flight speed down a little but didn't really make a change to the problem .

BTW added new pics of the 55" yak ( first color scheme) to that thread
 
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