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Sure...
Here ya go The LiPo is roughly where it would sit inside the fuze in the first shot - and you can see a small square of Velcro inside the fuze just to stop things from moving around during flight. The LiPo is inserted into the fuze in the second shot. It's a NanoTech 45-90C 4S 2200mAh. I just got a parcel from HK today - I bought 2 NanoTech A-Spec 4S 2200mAh LiPo's to see how they will go. They're rated at 65-130C, so my batteries should get more than luke-warm now (the motor will be stankin hot but, I bet). The A-Specs are just a smidge bigger than the 45-90's, but I just did a test fit and they're snug as a bug in a rug BJ |
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Hi guys;
Thanks for the shots BJ, I see you have bought the same batts that I have bought, and yes they are a tad bigger than the lower c rated batts, I thought you were runnning a dlux esc? I take it you are running your esc at the rear, I am planning to try and get the dlux behind the motor and box, but I think will be too tight, and maybe not going to work for the c of g, but I wont know till the motor turns up, and again thanks for the photos, has given me a couple of things to think about, particualy how much meat I need to remove from the tray. Neal |
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Nah - I'm running the plain ole Plush 80 - we were talking about the DLux earlier because you were thinking of having some sort of data logging available.
Re the ESC - seriously - if you're pulling more than about 60-odd amps, you're probably producing too much power for this plane to handle out-of-the-box. Remember, the airframe is only rated to around the 1/2kW mark. Then again, I know mine has taken 1kW no probs - but I'm not yank-and-banking it at WOT. Sure - I give it a decent amount of elevator to get it to climb out of its pants. But I don't exactly pull full hard-back all at once either. Same for turns - they're pretty crisp at times, but nothing like a 3D crank. Just keep all your moves smooth, and widen them out a bit and you'll get away with power beyond what it's designed for - makes for a ball-tearer of a WOT pass and still keeps the wings on the body BJ |
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Hi guys;
Sorry I misunderstood about the esc, anyway I hope I am not going to be putting out anywhere near that much power, as your aware I only bought it for data logging!! I am trying to drop the output, running a 12x8, if I could lay my hand on a smaller prop I would go smaller. I will set my throttle end point short of flat out when test running, I have a 60 if I thought it was enough, I would use it, just for the size, these dlux units are not the smallest on the market! I will keep it very much in mind not to pull this plane like its a 3der or $800 worth. Those wing joins concern me, I wont be yanking this one too hard at speed, this is not a 1300mm light foamie at 80k flat out. I will be very careful not to load those wings with a high g turn, just hope they fly in formation with the fuse fast in a straight line. Recieved an e-mail that will be shipping the next day or so, thier sending tracking #, take two! Neal |
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Use fresh high grade slow cure epoxy... assemble the joiners as carefully as you can. Always dry fit everything first... apply the epoxy.... slide the outer wing on... line it up... tape it... clean up with denatured alchohol. Let it cure for 48 hours without moving it. You will have a very strong wing. One piece wings are stronger then 2 piece wings.
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Morning sdstick,
Myself, I did use good quality slow cure epoxy on the wings and joiner, taped and all the rest, however I dont think they will stand up to way over max recomended power with flat out turn!! Also I am useing a dlux esc with basic data loggging, I was thinking of running a y type cable out of the esc so as to access logger without unplugging from Rx, which in my case would be real arkward, thoughts? Neal |
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Matey - just get it together with what you're getting and fly it as-is.
Plenty of room to go harder later on Just the fact that it's a 2m wingspan will be impressive enough when you get it high and set it up for a bomb-drop. It'll look pretty small way up there, but when it passes overhead and makes that sound, you won't care if it's running on 350W or 1K. Gravity is your friend They're a beautiful thing to fly Looking forward to reading your experience... BJ |
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BJ I look forward to providing details of a maiden, but I am just waiting on a replacement motor and box, everything else is ready, as soon as that turns up, I should have it ready in an evening, and your rite about the power, enough to get it in the air will be enough for now!
Neal |
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Thanks BJ. Waiting to recieve confirmation of shipping yet!
sdstick, I keep hearing about energy management with this style of plane, I gather keeping the speed up, by judicious use of power is key, comming out of a climb with speed still on board, and when starting to climb out of a dive , and going into a climb dont let speed fall too much, yes? no? I am surprised at what a huge amount of this kind of plane is around, I did not realize how big this part of the sport is. Neal |
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Well neale... actually you learn and use energy management more on non powered sailplanes and full scale saiplanes. Energy management in a nutshell is learning not to waiste any forward energy whatsoever and to use what you do have to it's absolute fullest extent.
Do a read on kinetic and potential energy. |
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