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May someone tell me the dimensions of the K124 stock battery please?
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Last edited by SilbernerSurfer; Jan 13, 2019 at 02:39 PM.
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Seems that the K123 canopy is alsö available in blue at AE.
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I have received the GOO 720mah lipos from BG for the K123. They dont fit. Too long, I cant close the canopy with them!
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does the end of the battery have a pointed triangular profile > try folding the end with the battery wires down to shorten the length. There is a flat plate the wires attached to stick out from the battery cells, basically just folding that down flat, shortens the cell by around 2mm
If the battery has alloy strips along the sides, trim theses off at the wire end and round the end of the protective wrap, this wrap can be carefully trimmed away. basically the front corners of the battery end hits the canopy due to its rounded profile of the canopy. shorten the length and round the front corners. the K124 battery is a perfect fit - 700 mah. |
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Last edited by kiwi_craig; Jan 15, 2019 at 12:54 PM.
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That has worked!
I removed the blue tape, cutted a few mm off of the foam at the wires, bent the wires down and retaped it with the stock fibre tape. 5mm shorter now! Thanks a lot! |
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the HK 750 has to be modified in the same manner, roll down the end , trim the alloy stiffeners and round the corners.
The version with just the white plug end is 1mm shorter than the version with two plug ends. the 700 battery form the K124 is a perfect fit, no mods and works well but not quite as powerfull as the HK 750 . |
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interesting, I have also purchased these around 12 months ago and found them to long for the K123 and to tight for the K124 (had to remove the outer wrapping).
maybe they have revised the battery shape slightly, can you post a link to the battery you are using, this is good news if they now fit ! so it fits the K123 ? K124 is longer in the battery tray |
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this is the one I have used:
https://hobbyking.com/en_us/turnigy-...o-pro-180.html This particular battery has a 2-pin Molex connector. Please refer to the attached image as this Battery has the "B" plug polarity. Please make sure this battery suits your connection. The wrong polarity will damage your electronics. YOU HAVE TO SWAP THE PLUG PINS Specs: Capacity: 750mAh Voltage: 1S1P / 3.7V Discharge: 35C Constant Weight: 18g (Including plug and case) Dimensions: 43mm x 24 x 9mm Discharge Plug: 2pin Molex Connector is this the one you are using ? https://hobbyking.com/en_us/turnigy-...-qr-w100s.html Specs: Capacity: 750mAh Voltage: 1s / 3.7V Discharge: 35C Constant / 70C Bursts Weight: 19.5g Dimensions: 43 x 24 x 9.5mm Plug: JST + Walkera again the white plug needs the pins reversed |
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I have also tried some "750" packs for the Syma Quad from aliexpress, tight fit and after 2 runs they died, low C rating.......... 5mins then dropped to 2 minutes and then expired / swelled up............
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https://hobbyking.com/en_us/turnigy-...-qr-w100s.html This has the polarity as stated in description "A" with the negative on the right side so I didn't have to change the polarity just charge plug and play. It is disturbing to hear about the swelling and short lifespan (KSAVES2). I know what you mean about getting hot while hovering as I encountered that when I hovered first flight in my house to trim it out. My maiden I didn't recall having the battery heat issue as the heli was always in forward flight. I also time and cut my flights right at 3.8 remaining = 5 minutes (maybe more left with casual flying but right at 3.8 with aggressive). I guess with more flights I will find out... |
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