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Unread 01-13-2018, 10:18 PM
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So who's gonna build the flying robot this year?

Ok..it's the end of Week 1 and I have yet to hear anyone talk about building a flying bot.

If you think about it, this year's game is perfect for a drone bot. Scale, switch, climbing would be easy. No height restriction. Only rule in the books have to do with safety concerns.

We talked about it as a team for a day and didn't have the courage to do it. But someone out there, a more experienced team than ours, has to be doing one this year.

Anyone?
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Unread 01-13-2018, 10:21 PM
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Re: So who's gonna build the flying robot this year?

Would it even be realistic to expect to be able to lift the control system alone with FRC-legal parts? The battery is really heavy. I don't think anyone has built a flying robot for FRC.
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Unread 01-13-2018, 10:22 PM
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Re: So who's gonna build the flying robot this year?

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Originally Posted by pkrishna3082 View Post
Would it even be realistic to expect to be able to lift the control system alone with FRC-legal parts?
Not with that attitude
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Unread 01-13-2018, 10:27 PM
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Re: So who's gonna build the flying robot this year?

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Originally Posted by pkrishna3082 View Post
Would it even be realistic to expect to be able to lift the control system alone with FRC-legal parts? The battery is really heavy. I don't think anyone has built a flying robot for FRC.
I did some calc's. You need about (10-12) 775's to lift about a 50lb bot. CIM's and mini-CIMs are too heavy. You'd probably have 3-4 min of flight time at best with the 15Ah battery.

It's challenging. But if I weren't only on my 3rd year as being a mentor and having a majority of the team new, I would totally be chasing this down. First FIRST team to fly. That is one for the record books. People would be talking about it for decades.
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Unread 01-13-2018, 10:29 PM
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Re: So who's gonna build the flying robot this year?

Quote:
Originally Posted by pkrishna3082 View Post
Would it even be realistic to expect to be able to lift the control system alone with FRC-legal parts? The battery is really heavy. I don't think anyone has built a flying robot for FRC.
You could build a tethered flying "minibot" I would think, probably could use 775Pros or BAG motors to power it. Granted, not sure what that gains you given bumper and extension rules, but certainly seems more feasible than other years.

Does make you wonder what it would take, given available motors, required component weight, and size restrictions, to make an FRC robot fly. I have this image in my head of a team building some insane custom quad-turbine monstrosity powered by 16 775Pros...
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Last edited by cbale2000 : 01-13-2018 at 10:33 PM.
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Unread 01-13-2018, 10:37 PM
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Re: So who's gonna build the flying robot this year?

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Originally Posted by cbale2000 View Post
You could build a tethered flying "minibot" I would think, probably could use 775Pros or BAG motors to power it. Granted, not sure what that gains you given bumper and extension rules, but certainly seems more feasible than other years.

Does make you wonder what it would take, given available motors, required component weight, and size restrictions, to make an FRC robot fly. I have this image in my head of a team building some insane custom quad-turbine monstrosity powered by 16 775Pros...
We thought about the tether to get rid of weight, but I think it you're gonna fly, fly. Nothing else will do.
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Unread 01-13-2018, 10:45 PM
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Re: So who's gonna build the flying robot this year?

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Originally Posted by sthump View Post
We thought about the tether to get rid of weight, but I think it you're gonna fly, fly. Nothing else will do.
Gotta stick bumpers around your props then. That should be fun.
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Unread 01-13-2018, 10:48 PM
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Re: So who's gonna build the flying robot this year?

Does a flying saucer count?

https://www.chiefdelphi.com/media/papers/3417
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Unread 01-13-2018, 10:53 PM
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Re: So who's gonna build the flying robot this year?

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Originally Posted by Richard Wallace View Post
non/a/gon
noun
a plane figure with nine straight
sides and nine angles

also, how are you planning to make circular bumpers?
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Unread 01-13-2018, 11:07 PM
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Re: So who's gonna build the flying robot this year?

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non/a/gon
148 built a 9-sided robot quite some years back. They opted not to put a round bumper on it, for some reason. As I recall, it was very speedy and did quite well in competition, ending up on a couple of winning alliances.



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Unread 01-13-2018, 11:57 PM
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Re: So who's gonna build the flying robot this year?

Quote:
Originally Posted by pkrishna3082 View Post
Would it even be realistic to expect to be able to lift the control system alone with FRC-legal parts? The battery is really heavy. I don't think anyone has built a flying robot for FRC.
You can make one with FRC legal parts, but it probably won't fit in the size limitation.

Here is a flying machine that uses at most 3 CIMs worth of power to stay aloft, and weighs more than a FIRST robot: https://www.youtube.com/watch?v=syJq10EQkog
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Unread 01-14-2018, 12:03 AM
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Re: So who's gonna build the flying robot this year?

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Originally Posted by Richard Wallace View Post
148 built a 9-sided robot quite some years back. They opted not to put a round bumper on it, for some reason. As I recall, it was very speedy and did quite well in competition, ending up on a couple of winning alliances.



Today I learned "couple winning alliances" is how we describe one of 2008s world champions

Lol
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Unread 01-14-2018, 09:34 AM
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Re: So who's gonna build the flying robot this year?

Quote:
Originally Posted by pkrishna3082 View Post
Would it even be realistic to expect to be able to lift the control system alone with FRC-legal parts? The battery is really heavy. I don't think anyone has built a flying robot for FRC.
Now that we have a brushless motor, you can do a quadcopter.
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Unread 01-14-2018, 10:20 AM
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Re: So who's gonna build the flying robot this year?

Our team considered using a tethered drone to place a hook on the rung for a climber. Maybe not the best way to accomplish this, but probably the coolest.
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Unread 01-14-2018, 10:47 AM
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Re: So who's gonna build the flying robot this year?

I think that a flying bot would work, but I think first would qualify it as illegal because it is dangerous.
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