Dad_flyer
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Everything posted by Dad_flyer
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Snakes are not glued yet. I did think about crossing them and tried it. That makes it straighter in the fuselage, but seemed to be more of a bend at the end to be straight on the rudder/elevator. They will be slightly straighter than in the photo when properly pushed in to the exit holes.
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The lipo may need to go forward into the cowl for balance. I have tested getting it in and out and the hole was not quite big enough. Also I plan to put the ESC in the front rolled deck, with a balsa plate under to keep it up away from the battery. That means the battery needed to be a little lower. So made the firewall hole bigger downwards, and also enlarged the hole for the ESC wires so that it will take all three connectors together. With the wing on it would be hard to thread them through.
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Continuing the updates of work over the last week. This was my first try with real sanding sealer and real dope, rather than water-based alternatives. It is so much easier to use, apart from the fumes. I particularly like that you can re-activate with thinners, so mistakes seem less final. On to the servo position and control run. Decided on 4-Max 9g servos. Metal gear for the rudder as it looks as though it will be on the ground on landing. For the rods I decided in the end to use snake outer, but piano wire inside as it is nearly straight and it seems to run smoothly enough. For adjustment I am going to try to solder 2mm threads on the end for small ball links. Z bend on the servo end. The 2mm thread will slide back through the snake to get the whole rid out if I want to. Run designed and tubes in. Servo position found. Extra holders added, and servo screw positions backed up with spruce spare from the struts. Back rest triangle and the head rest fairing also attached.
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Decided to use ply control horns, the plastic ones just did not look right. Cut-down versions of the FliteTest laser cut horns Fitted to slots cut in the rudder and elevator, covered with tissue and dope. Elevators joined as well.
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Back on this build after a bit of a break. Good news is that the wings look OK. There was a slight twist after I made them, and I tried to get that out by twisting back when shrinking the covering. I did not think it had really worked, but I checked them over after they have been sitting around for a few months and they are fine. Time to move onwards to the tail and control.
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New- 2018 CONCORDE for 4x50mm EDF
Dad_flyer replied to Tony Nijhuis's topic in Tony Nijhuis plan builders
Ooooooooooh! -
Elevator pushrod started clunking. I first thought it was binding somewhere, but actually it was the cheapo unbranded servos (post 5). So replaced those with new ones from the 4-Max range. One metal gear, the other plastic. Much smoother than the others were, even when new, and cheaper too. And noticeably stronger.
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New- 2018 CONCORDE for 4x50mm EDF
Dad_flyer replied to Tony Nijhuis's topic in Tony Nijhuis plan builders
Amazing, awesome, lovely, fantastic. The 11am Concorde roar was part of my schooldays. Occasionally spotted her coming back on a balmy summer evening, a high and silent dart. Is this one the 50mm EDF, or the big one? -
The build has stalled rather with the twisted wing issue, and work. The plan is 3s Lipo. A 2200mAh will be overkill, but the weight should be ok. If possible I am trying to avoid specially getting smaller Lipos just for this model, but we shall see how the weight goes.
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I use hex ball-drivers quite a bit at work. The Bahco grey ones have nice handles and don't wear badly - but some have broken the ball off the 2mm size. They don't come in 1.5 mm and smaller, we have Wera for that, excellent but more expensive. I think I was not able to find 1/16th in either Bahco or Wera, so have Wiha picofinish. All come as singles, so you only have to replace what you need.
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Successfully re-maidened this evening.
