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  • Bad Raven: Balance lead extensions are pence from China, I bought bulk. I also cut the old balance plugs with lead off and if I get a broken plug body I just solder a new one lead to lead, can extend at the same time.
    Today at 14:17:22
  • Reman: Bajadre, With reference to balance leads, I bought a cheap JST XH crimper, plus a shed load of male/female plugs and pins a while back. It's amazing how many times that lots come in handy. Not just for repairing battery packs, But for things like adding quick release plugs to wiring harnesses so you can do things like pop gimbels on and off camera drones quickly, Or add plugs to the cables of hardwired components so you don't have to desolder them when you need to get them out of the way in a rebuild, And making charging extension leads so you can get the battery right into a Li-Po safe bag and away from the expensive charger. They're well worth adding to the toolbox..... The other day I only spent about 5 minutes hunting for my 4S charging lead before giving up and making a new one. If I didn't have the crimping kit I'd probabbly still be looking. :)
    Today at 14:00:55
  • hoverfly: Not unusual Reman, they just cant be ar$ed to deliversome if they get behind schedule.. Yesterday i had a delivery by Herpies,  got a sms telling me when they were going to deliver, then rang the door bell and knocked. The parcel was intact and damage free.  Not sure what is going on.... :hmm:
    Today at 13:23:11
  • Bad Raven: Where is it broken?
    Today at 13:22:29
  • hoverfly: If you cut them off make sure  you insulate the ends. :smiley:
    Today at 13:18:42
  • Bajadre: Quick question guys is it ok to snip off a broken balance lead and not run it i know i wouldnt be able to balance charge it again but would the pack be ok ? its a 3s 5500mah which the lead got dragged along the floor on sundays bahs :(
    Today at 12:44:55
  • Reman: About an hour ago I had the Yodel tracking system tell me that I wasn't in...... That's f*ckin' news to me !!!!!
    Today at 10:17:20
  • Reman: Like I said, In the past I've had a handful of packs "Go off" at me like fireworks after bad crashes (Usually with RC helis), So it's hard to get that image out of your head while stripping down Li-Po's. :)
    January 21, 2019, 11:22:54
  • shawdreamer: the horror stories will always incite worry when messing about with Lipo's but its the same as everything else when working on electronics alike, alsong as your careful and methodical there's very little to panic about, I regularly recycle 4s's with a single dead cell into usable 3s packs, end of the days its alot more economical, safer and enviro friendly than having to bin them....just a pain that the dead cell is NEVER one of the outer cells so you always end up having to strip a good cell off to get at the bad cell before putting it back afterwards, its like dropping toast, it'll always land buttered side down and inevitably covered in pet fur :angry:
    January 21, 2019, 00:11:16
  • Reman: Just did the one electrical job that still scares me. I dismantled some Lipo's with knacked cells and built usable packs out of the good cells. I've had packs go "VOOOOOOSH" at me in the past so I'm always slightly scared of having bare lipo contacts anywhere near what I'm working on, But all appears to have gone well and one of them is currently doing a charge/discharge cycle to make sure nothings a miss. :)
    January 20, 2019, 22:28:43
  • Reman: My original Dremel Pro made it to 14 years of heavy weekend use (And abuse) before it crocked. Dismantled that but it turned out to be a "Control module" fault, And Dremel made it ni on impossible to get into that without pooching it completely. :(
    January 20, 2019, 22:17:27
  • ched999uk: BR  ::)
    January 16, 2019, 22:26:54
  • Bad Raven: That's a warrnty claim if ever I heard one....
    January 16, 2019, 20:32:55
  • ched999uk: My 28 year old 12v 35w Weller soldering iron failed  :( I didn't fancy forking out £100 for a new one. Stripped it down and found conductor snapped in cable. 10Mins later all back working great. :smiley: ::) I am very happy!!
    January 16, 2019, 17:23:06
  • shawdreamer: "look up there....its a drone!.....and whats this noise?..... no.....no..... it cant be!....NOOOOOOOO.......OOOOOOOOOOOOOPS I DID IT AGAIN, I PLAYED WITH YOUR HEAR....."
    January 10, 2019, 14:17:24
  • shawdreamer: <starts downloading britney spears albums and preping his large frame to carry a PA system>
    January 10, 2019, 14:15:08
  • Bajadre: defo steveo :) we should get loads of drones together up there so how they handle more that one lol
    January 08, 2019, 19:39:07
  • steveo9007: its all a ploy to get who ever has won the contract for geofencing the airport in, i reckon  ::)
    January 08, 2019, 18:38:26
  • Bajadre: more lies hope they prepped the police staement already lol
    January 08, 2019, 18:27:49
  • Bad Raven: Take Offs resumed
    January 08, 2019, 18:24:45

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Author Topic: Extreme Racing Quadcopter Design  (Read 1759 times)

Offline 3Dex

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  • 3D Filament Suppliers
    • High quality 3D printer filament
Extreme Racing Quadcopter Design
« on: February 06, 2017, 15:17:42 »
Hi Guys,

We thought we would share with you our latest design. It';s a quadcopter frame but comes with many aerodynamical enhancements and also a fully enclosed fuselage.



You can find out more and download the design here:
http://www.thingiverse.com/thing:2074053
https://pinshape.com/items/31419-3d-printed-extreme-fpv-racing-quadcopter-design-by-3dex
https://cults3d.com/en/gadget/fpv-racing-quadcopter-extreme-design-by-3dex

It prints really well using our filament and a print speed of 70mm/s and infill of 10-20%.

We shall keep you updated on how we get on with the flying.

If you want to buy pro filament then please check out our online webstore: www.3dexfilament.co.uk or see here: http://www.3dexfilament.co.uk/product.php?id=7 for the yellow PLA filament in the pictures.

Regards,
3DEX
Suppliers of high quality 3D printer filament
http://www.3dexfilament.co.uk

Offline shawdreamer

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  • Tricopter, one prop short of a Quadcopter
Re: Extreme Racing Quadcopter Design
« Reply #1 on: February 06, 2017, 15:33:26 »
Hi Guys,

It';s a quadcopter frame but comes with many aerodynamical enhancements

 :huh
550 custom H-copter (redesigned)
zmr250
Reaper250 V.1
Podracer v2
zmr250Hybrid
250 Twinboard
Project Sparkie (under repair)
https://www.thingiverse.com/shawdreamer/designs

Offline DarrellW

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Re: Extreme Racing Quadcopter Design
« Reply #2 on: February 06, 2017, 15:54:46 »
Looks a bit like a house brick with fins on to me, how have you made an assessment of its aerodynamic properties???
I work on CFD software for flow characteristics and can assure you that adding fins don';t alter the fact that you have flat edges in the air flow!
I think..........I think I am........therefore I am.............I think!

Offline a Sav

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  • Tricopter, one prop short of a Quadcopter
Re: Extreme Racing Quadcopter Design
« Reply #3 on: July 20, 2018, 09:21:55 »
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