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**stu** · 2 December 2003, 22:05

Full Pressure Cutlet

That Switch will NOT handle the current of a compressor. Am i right thats- that switch is a normal RC Swtich?

Even so it looks WAY too slow. Comprssors have been draining peopls NICAD packs for god sake. Dont think that switch will hold up very well.
Use something like a hmm what they called, micro swtichs? forgot their name, never uses em. Use one of them to turn on/off a relay.
The switch you have is maybe only around 5/8amps.

Mr Stu

**fwsorg** · 2 December 2003, 22:24

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Agreed. Microswitches are normally good for around 25A. or you could plug it into a relay. I reckon a microswitch on its own would probably work.

**big_nipper** · 3 December 2003, 08:22

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The compressor Ive got runs up to 300psi but we only use it to 150psi at that pressure the motor is drawing just under 10 Amps. At stall the motor draws 50Amps but if nothing goes wrong with the compressor then a 10 Amp Continous Rated switch would work. It is still important to note that the switch must still be able to handle the 50 Amps peak current on contact or the resulting spark will jam the switch ON. This is a common fault with Relays in Heavies operating weapon motors. Even worse if its a disc.

Our solution is still the Speed controller. Usually weights less and more reliable (4QDs Excluded).

**storm** · 3 December 2003, 09:31

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Ian, the way to be safe is simply connect a relay to the microswitch. The switch then turns the relay on, and assuming you get one that will handle say 50 or 70 amps youll be laughing ! You can still use what youve already made, and make it even more reliable !

Ed
http://www.stormrobot.comhttp://www.stormrobot.com

**team_ireland** · 3 December 2003, 13:09

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Its not a standard rx switch. Its one I bought from a catologue. Its good for about 10-15amps.
If it dont work it dont work but it should work for the valve atleast (the solenoid valve)

Comments Please

regards
Ian Mc Donald

**storm** · 3 December 2003, 15:15

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Will work fine for a valve, but youre risking having the contacts in the microswitch weld themselves shut if you try to use it for the compressor motor which at stall will draw far more than 10-15 amps.

What you want is something like one of these http://www.technobots.co.uk/en-gb/dept_31.htmlhttp://www.technobots.co.uk/en-gb/dept_31.html that your microswitch can operate. Â£1.95 from Technobots !

Ed
http://www.stormrobot.comhttp://www.stormrobot.com

**team_ireland** · 6 December 2003, 16:34

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I got around tht problem now and the robot is nearly complete now but i have ran into another problem how do I mound the flipper to the ram?

Regards
Ian Mc Donald

**team_ireland** · 8 December 2003, 13:28

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Hi
Could somebody give me the dimensions ofand weight of an aluminium 600g Co2 Bottle please

Regards
Ian Mc Donald

**blazerbotics** · 8 December 2003, 14:17

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ours weighs 960g empty cant remember what the size is. about a foot long.

**teamceros** · 8 December 2003, 15:29

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the aluminium bottle we use in ickle rus which is a 600g aluminium bottle is 24cm long by 8cm in diameter without the screw down valve.

Francis

http://www.ceros.org.ukwww.ceros.org.uk

**team_ireland** · 9 December 2003, 00:25

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Thanks guys but yet another question (will they every stop i hear you ask). Will a 12v solenoid valve work at 14.4v or will it blow? I simply dont have the money to go out and invest in more batteries when my current ones are perfect except that they are 7.2v packs not 6v.

Any other surgestions welcome.

Regards
Ian Mc Donald

**fwsorg** · 9 December 2003, 10:54

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Cant see that being a problem at all.

**leorcc** · 9 December 2003, 17:58

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14.4V will work just fine.

12V isnt exactly 12V either.

**team_ireland** · 10 December 2003, 19:01

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Thanks now i just need to source all the parts

Regards
Ian Mc Donald

**Mouldy** · 11 December 2003, 23:04

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Mario has some 1/4 and some 1/8 5/2 valves. might be worth looking into?...i assume it was you talking to me on msn about borrowning a valve the other day- if so talk to mario because i blew my only spair a couple of months back...and as for the r/c switches on the compressor why not just atatch the compressor to your main link and pressure switch? that way you dont have to think about it when driving your machine.