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Team RCC featherweights
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Glen
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Joined: 16 Jun 2004
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Is this for heavyweights? Roboteq brushless is probably making sense by that price point.
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Post Fri Jan 06, 2017 10:01 pm 
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maddox



Joined: 21 Dec 2006
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Location: Belgium


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Heavy, but we're working around the problem.

Roboteq is too large tough.

Post Fri Jan 06, 2017 11:55 pm 
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maddox



Joined: 21 Dec 2006
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Location: Belgium


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Searching for a featherweight motor.

6S
300KV +/- 30KV
Around 80A peak.

Not for a spinner nor drive.

Post Mon Jan 09, 2017 9:26 pm 
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Nick
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That's going to be a large diameter outrunner - is there a budget you have in mind?
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Post Mon Jan 09, 2017 10:47 pm 
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Nick
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After a quick look, the motor that comes closest to all those parameters is *surprise* a short Mag motor Laughing The KV is a fraction too low buy its closer than any of the brushless motors I checked. I'm sure that isn't What you want; will keep looking. Is there an option to go to a higher voltage?
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Post Mon Jan 09, 2017 11:20 pm 
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maddox



Joined: 21 Dec 2006
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Budget is rather flexible, but size isn't.
63mm max, but smaller/lighter gets preference.

Otherwise I would have looked at the smaller Rotomax's.

Post Mon Jan 09, 2017 11:21 pm 
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Nick
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Just comparing motors at Hobbyking, the ideal motor is half way between a Rotomax 1.6 and a large multicopter motor. Some of the multicopter motors come very close to your specs except for power; can you stack two of them to do the job?

The diameter limit really screws thing up, I think you will have to use a lower KV motor and higher voltage to meet the power and size specs - or wind your own motor Razz
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Post Tue Jan 10, 2017 7:58 am 
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maddox



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Location: Belgium


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Scorpion SII 4035 250 of 330 KV looks useable.

Post Tue Jan 10, 2017 11:05 am 
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Nick
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Good news, glad I could help.
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Post Tue Jan 10, 2017 11:16 am 
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maddox



Joined: 21 Dec 2006
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Location: Belgium


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Small update.

Kashei got a day of TLC. Nothing more than tightening nuts and bolts and improving removable link retaining.

Hannibalito 3 was another matter. A persistent small leak on the buffertank became a big persistant leak, and after checking, a new buffertank was installed.

Perun had a bit more of work, the old Scorpion XL is replaced by an IBF 4.5.
This gives us a lot more functionality and PC programmable settings with a nice "app".

Now the next Nebelwerfer, and we have again 4 machines.

Post Thu Jul 27, 2017 4:25 am 
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Nick
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Good to hear your robot hoard is tuned up and ready to battle - are you planning for any particular event?
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Post Thu Jul 27, 2017 8:20 am 
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maddox



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We're aiming for Hannover Maker Fair -Germany-.

Post Thu Jul 27, 2017 1:45 pm 
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Nick
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Good luck! I really want to get to a full sized Maker Faire, maybe next year...
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Post Thu Jul 27, 2017 6:35 pm 
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maddox



Joined: 21 Dec 2006
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Location: Belgium


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This happened to Hannibalito @ The makerfair Hannover.

https://www.youtube.com/watch?v=yBtI-heZuOo&index=36&list=PLV7UEIgsvoU8Rw3mYWo2RR0e-Hrbj0mKX

https://www.youtube.com/watch?v=MqTvGov5jOs&index=51&list=PLV7UEIgsvoU8Rw3mYWo2RR0e-Hrbj0mKX

Since then it was on life support and waiting untill the surgery could be implemented.

Today Leo and me took Hannibalito from Life Support.

The flipperarm was a write off as it proved to be a decent crumple zone. A replacement was made, and a few copies pre-cut.

First idea was to rebuild the armor completely. But after checking the damage, it wasn't that bad. Just the 2 front corners that were deeply scratched. It just looked horrible before cleaning.
So we smoothed out the damage, and grafted some new 12mm HDPE over the deep scratches.

For good measure and improvement, an experiment with bend Hardox was done and now Hannibalito has a moustache.

Pictures will follow.

Post Sun Sep 17, 2017 7:33 am 
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maddox



Joined: 21 Dec 2006
Posts: 779
Location: Belgium


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Again, the posting a photo here seems to difficult for me.

http://forum.roboteers.org/index.php?attachment/592-img-1435-jpg/

Post Mon Sep 18, 2017 6:36 am 
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