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burgo
Newbie

Joined: 01/05/2007
Location: Australia
Posts: 12

Posted: 10:02pm 12 Jun 2007

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Hi guys had a very interesting afternoon with Dennis Latham on sunday, saw a lot of blades and other interesting stuff, bought a 1500 seeley to play with and can see potential with it. Been on sight and seen other posts regarding the seeley and was just wondering why not spin the centre using slip rings on the shaft? and fix the green outside covering.

bob

brucedownunder2
Guru

Joined: 14/09/2005
Location: Australia
Posts: 1548

Posted: 10:18pm 13 Jun 2007

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Hi Bob,,, welcome to the 'seeley' group...

I looked at your suggestion,, not impossible, we would need slip rings . There are a couple of other 'points" I'm concerned with --1 never had much joy with slip-rings experienced a lot of losses .
But, later down the track ,I'll bet someone will give it a try .

Phil M and I are thinking a dog clutch sort of arrangement -completely taking the weight and stress of the blade set off the motor .

Early days yet..

Bruce

Bushboy

Highlander

Senior Member

Joined: 03/10/2006
Location: Australia
Posts: 266

Posted: 08:31am 14 Jun 2007

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Hi fellas, I think slip rings on a vawt would be ok but if your going to put them on the prop shaft of a hawt they will be subjected to 300,400,500 rpm.
I've never tried that but I assume they will wear out pretty quick.
Slip rings on the yaw bearing seem to last years but there is much less wear and tear on them.
The ones I use are out of a V8 starter motor.

Central Victorian highlands

dwyer
Guru

Joined: 19/09/2005
Location: Australia
Posts: 574

Posted: 12:18pm 14 Jun 2007

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Highlander said Hi fellas, I think slip rings on a vawt would be ok but if your going to put them on the prop shaft of a hawt they will be subjected to 300,400,500 rpm.
I've never tried that but I assume they will wear out pretty quick.
Slip rings on the yaw bearing seem to last years but there is much less wear and tear on them.
The ones I use are out of a V8 starter motor.

No No that all in the dreaming in the head
This slip ring do not wear out as they can do last for many years many large industrial electric motor,electrical including aircraft, diesel gen or welder , million of car alterantor last for many miles all have slip ring

dwyer the bushman

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