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Elec-Helicopters New or Limited Activity
Robbe › Standard Brushed setup
11-01-2004 01:34 PM  13 years agoPost 1
Sparkhead

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Melbourne Australia

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Hi Guys,

I'm just repairing a R22 Eolo for someone after it cut out on them in flight. It has the stock brushed motor in it with the Robbe heli control 825 ESC on 8 cell 2400 Nicads. It flew great for the first 8 or so flights and then it just cut out.

I have seen this with another friend of mines Eolo as well. Do you think it is the motor being worn out and drawing to much current causing the ESC to cut power? I tried to talk him into going for the Twist setup but he wanted to know what happened to it first before he spends more money on the thing.

I've heard that the stock motors are rubbish but the brushes in it look OK.


Mick.

Robbe & Futaba.

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11-01-2004 06:52 PM  13 years agoPost 2
garth2

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nuneaton warwickshire england

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the windings may have got hot and broke.

Get the twist setup its more expensive but has tones more power and is very reliable.

Lee

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11-01-2004 11:20 PM  13 years agoPost 3
Sparkhead

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Melbourne Australia

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Thanks Garth,

I think he is trying to keep it stock to show people how they fly out of the box, but I think the motor is useless and its going to keep doing it even if he puts a new motor in it.


Mick.

Robbe & Futaba.

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11-02-2004 09:11 AM  13 years agoPost 4
jerrysimon

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Cambridge UK

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Mick,

I also had some issues with the Robbe controller cutting out.

See my web site.

Jerry

My Eolo Web Pages : [url]http://homepage.ntlworld.com/jerrysimon/eolo/index.htm[/url]

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11-02-2004 01:32 PM  13 years agoPost 5
Dave Cunliffe

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Midlands, UK

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I tried the Robbe speed controller with the stock motor when I first got an Eolo. The model would often do some nice fast piros on its own accord - not too good for the nerves when you are not a particularly experienced helicopter pilot!

After a couple of crashes where I just didn't appear to have any control of the model I replaced the motor and contoller with the kontronik set-up and what a difference having some power available, and a more constant head speed, made to the overall control.

I would think anyone trying to get along with the stock motor is going to be in trouble sooner rather than later.

Dave

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11-02-2004 03:17 PM  13 years agoPost 6
major_bodger

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Swindon, Wiltshire, UK

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After hearing about this shutdown problem with the Robbe esc, (from Jerry's site I think) I bought a CC Pegasus 35P and it hasn't given me any problems yet.

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11-02-2004 11:32 PM  13 years agoPost 7
Sparkhead

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Melbourne Australia

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How many flights have you done with this setup Major?


Mick.

Robbe & Futaba.

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11-03-2004 09:50 AM  13 years agoPost 8
major_bodger

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Swindon, Wiltshire, UK

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About ten at the moment. I think it's fair to say it was running reasonably hard because I'm still adjusting the pitch/throttle curves so the motor was getting a bit hot (meaning plently of current through the motor part of the esc) and I'm using four Naro Max BB servos, and they're not the most efficient (plenty of current through the bec part of the esc as well).

Can't vouch for how it would perform with more spirited flying though, because slow FF, lazy eights etc is about as far as my novice skills take me atm!

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11-03-2004 10:46 AM  13 years agoPost 9
jerrysimon

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Cambridge UK

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Bodger,

I use to live in Swindon and flew at Lidiard park back in the days when I first started with leccy planks

Regards

Jerry

My Eolo Web Pages : [url]http://homepage.ntlworld.com/jerrysimon/eolo/index.htm[/url]

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11-03-2004 11:40 AM  13 years agoPost 10
major_bodger

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Swindon, Wiltshire, UK

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Hi Jerry,

Yep, you know me as Maverick_UK from the Piccolo BB. (this forum wouldn't let me use it. Seems someone else already has it )

I haven't actually flown in Lydiard Park yet, even though it's only about 5 mins from my house. Too many damn kids and kite flyers these days!

There's a lovely meadow in Cricklade I use with a couple of friends, but the Piccolo will be coming back out now the weather's turned.

Gary

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