4th - Marble - Longer range with Caddx Turtle (15 mins flight time).

By Locng on May 04, 2019

6  344  3

My first try longer-range build, 113g dry, still looking to cut weight.
Backpack STL, 2 versions:
1st for GPS mount only
2nd: buzzer & sma mount added
https://www.thingiverse.com/thing:3609625

2019.05.09

  • Custom sdcad cover for caddx turtle added, thinner lipo strap, moved r9mm out of stack for better cooling air, 110g dry now
  • Maiden flight: around 8 mins crusing with 3s 850mah, maybe worse with strong wind, still looking for cutting weight for better flight time, I want 10min+.

2019.05.30

  • Curently 15mins with 2x 18650. I change the VTX to Akk nano 3 (200mW) so I could use 2x 18650 cells, while waiting for my speedybee 500mW.

Photos

Discussion

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doc   May 05, 2019  

I really like your parts selection for the long range eclair. I may have to copy it. I have a eclair 3" I have been doing long range with but your set up makes more sense. the zeus is perfect for this application and opens up room for one more board. Having rth would have helped me a couple of weeks ago. Lost my Eclair about 1/4 mile out. luckily my girlfriend is relentless and found it. Is that gps mount up on thingiverse?
You could shave a couple of grams by ditching the heat shrink and are your fasteners steel or aluminum?

Locng   May 05, 2019 

Yeah, the zeus board really makes everything much easier, but you have to rotate the board by 90 degrees to fit in the frame. I uploaded the backpack to thingverse just in case you need it.
For the fastener, I'm using nylon for stack, steel bolts for motor & prop mount, for included harware for the cage: 1x stand off + 2 screw ~ 1.4g, so something like 4-5g for the cage fasteners. I'm thinking to replace the cage with 3d printed canopy but not sure if it's worth.

doc   May 07, 2019 

Thanks for posting the print, got it printed and the quad rebuilt using a tbs nano32. Today took it out to 8/10's of a mile. Wanted to go further but my 4s 650's are toast. It was nice knowing the gps rescue was there to bail me out if the video failed.

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