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Author Topic: Another ZMR 4S build  (Read 837 times)

Offline bigMouse

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Another ZMR 4S build
« on: January 29, 2015, 08:19:59 PM »
I've had a spare 250 zmr frame lying around for a while, so thought I'd build it up for 4S use!

This one will have the ESC's fitted in the gap between the two lower plates, so spacers will be needed! Think the 4 X M3 bolts per arm is complete overkill so reduced mountings to 3 X M3.

Anyone who have built the zmr 250 will know that the the front-arm to rear-arm distance is quite short which makes it hard to fit the ESC's in lengthways, so designed some spacers to enable everything to fit
« Last Edit: January 29, 2015, 08:21:32 PM by bigMouse »
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Offline bigMouse

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Re: Another ZMR 4S build
« Reply #1 on: January 29, 2015, 08:25:54 PM »
The original fpv camera plate needs stand-off mountings to mount the board cam.

I have made them from plastic knitting needles before, drilled and tapped them M2, but is fiddly and 8 screws are needed, 4 per end. So printed a cam plate with built in stand-off's

BTW all the mods on this frame will be green, to easily identify them!!!
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Offline xxpitt

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Re: Another ZMR 4S build
« Reply #2 on: January 29, 2015, 08:39:16 PM »
if you've got the cash, thug are selling 5 or 6 mm arms for the zmr
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Offline bigMouse

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Re: Another ZMR 4S build
« Reply #3 on: January 29, 2015, 08:42:48 PM »
If I break any arms I'll try printing some! I'll probably give away my 3S mini quad and Hexes, just keep the two zmr 250 4S and upgrade the spanky to 4S
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Offline Adiktid

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Re: Another ZMR 4S build
« Reply #4 on: January 29, 2015, 09:15:55 PM »
OOOOoooo I'm doing the same :)

Just with an RCX250CF 3K and Cobra 2204/32 1960Kv motors - the new versions that support 4s :) 130w!!!
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Offline Adiktid

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Re: Another ZMR 4S build
« Reply #5 on: January 29, 2015, 09:16:28 PM »
On and KISS 18a ESCs - all I use now hehe.
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Offline bigMouse

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Re: Another ZMR 4S build
« Reply #6 on: January 29, 2015, 09:26:36 PM »
I've got 8 DYS motors in transit, 4 black 4 gold, the ones I have here seem to work fine on 4S, the 12A ESC's look different from the previous wrappers but probably the same old RCX 12a inside!
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Online MrBen

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Re: Another ZMR 4S build
« Reply #7 on: January 29, 2015, 09:36:53 PM »
The emax 12a work ok on 4s too, thats what Cobs has on his ZMR with the DYS motors and 5x3 props
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Offline bigMouse

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Re: Another ZMR 4S build
« Reply #8 on: January 29, 2015, 10:00:50 PM »
Anyone tried the 6" props on this setup?
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Offline Adiktid

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Re: Another ZMR 4S build
« Reply #9 on: January 29, 2015, 10:08:08 PM »
Quote from: bigMouse on January 29, 2015, 10:00:50 PM
Anyone tried the 6" props on this setup?

I'm interested in 6" - do they fit with standard arms?
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Offline Martink1974

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Re: Another ZMR 4S build
« Reply #10 on: January 29, 2015, 10:14:59 PM »
lookin good , did one for my m8 lots of upgrades to print on thingyverse
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Online MrBen

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Re: Another ZMR 4S build
« Reply #11 on: January 29, 2015, 10:15:18 PM »
i dont think the 12a emax can take a 6"
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Offline bigMouse

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Re: Another ZMR 4S build
« Reply #12 on: January 29, 2015, 10:16:10 PM »
Yes they will take 6" props! Have some here but not tried them yet so don't know what current they take!
« Last Edit: January 29, 2015, 10:21:25 PM by bigMouse »
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Offline Adiktid

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Re: Another ZMR 4S build
« Reply #13 on: January 29, 2015, 11:12:12 PM »
I'll get some on order :)

Quote from: bigMouse on January 29, 2015, 10:16:10 PM
Yes they will take 6" props! Have some here but not tried them yet so don't know what current they take!
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Offline Ratty

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Re: Another ZMR 4S build
« Reply #14 on: January 31, 2015, 11:31:27 AM »
So are you guys using the standard 3s stuff but running it on 4s?

I want a 4s 250 but couldn't find any motors and ESCs rated for 4s.

I have DYS motors and Emax 12a ESCs.
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