Author Topic: Firefighting robot: how to put out the candle  (Read 4720 times)

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Offline Ro-Bot-XTopic starter

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Firefighting robot: how to put out the candle
« on: September 20, 2009, 06:12:17 AM »
I am looking for alternative methods to put out the candle in a Firefighting competition. Most people use a fan for this purpose, but I would like to use something different. Any advice? So far all I could find was the speaker (still blowing air) that sonictj uses on his robot. I am looking for a device that will spurt water mist, or gas like CO2, helium, halon. Thanks!
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Offline Canabots

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Re: Firefighting robot: how to put out the candle
« Reply #1 on: September 20, 2009, 06:40:57 AM »
I suppose for water mist, you could go to the dollar store and get a cheap squirt bottle and actuate it with servo.
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Offline gaurav.p

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Re: Firefighting robot: how to put out the candle
« Reply #2 on: September 20, 2009, 06:49:00 AM »
u can use viper motors with squirter bcoz u may not know water may   enter in the servo and then boom(not to that extent) :P
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Offline Ro-Bot-XTopic starter

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Re: Firefighting robot: how to put out the candle
« Reply #3 on: September 20, 2009, 12:56:28 PM »
OK. I'll rephrase... You guys know those backpack pumps with a hose and a stick that is used to apply insecticide? I wast to build such a device in a small scale. Let's say an 8 ounce bottle (on the back of the bot) with a hose connected to a mist sprayer mounted on the arm of my robot. Anyone knows how to actually do this? How can I make the mist sprayer?
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Offline madchimp

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Re: Firefighting robot: how to put out the candle
« Reply #4 on: September 20, 2009, 01:27:27 PM »
Well the canister part is simply a pressure vessel with the liquid to be sprayed in the bottom and the sprayer is basically a spray nozzle with a valve. Do you plan on pressurizing it before hand or do you want the bot to pressurize it? As long as you don't plan on building too much pressure you could build the tank out of PVC pipe. If you plan on having the bot pressurize it i would build a pressure relief valve into is so it doesn't get over pressurized and blow apart.

Offline kd5kfl

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Re: Firefighting robot: how to put out the candle
« Reply #5 on: September 20, 2009, 05:51:09 PM »
a snuffer,



or a stuffed Dalmation lifting a mechanical leg...

Offline Joker94

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Re: Firefighting robot: how to put out the candle
« Reply #6 on: September 20, 2009, 07:02:23 PM »
i have 2 ideas

1)have the 8 oz tank you mentioned but then have a small fish tank water pump and put a sprinkler nozzel on one end

2)have the same 8 oz tank and have a very small air compressor and pressurize the tank and have a valve and on the other side have a sprinkler head.

Offline Hawaii00000

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Re: Firefighting robot: how to put out the candle
« Reply #7 on: September 21, 2009, 01:59:19 AM »
If you want to do the C02 thing you could try something like this... http://www.amazon.com/Innovations-2425-Ultraflate-Plus-CO2/dp/B00278XO0Q
It will blow that candle out like you wouldn't believe!!!! You just need a servo to pull the trigger.
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Offline RoboGeek

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Re: Firefighting robot: how to put out the candle
« Reply #8 on: September 22, 2009, 12:30:04 PM »
One of those little perfume bottles you can buy empty in the discount stores. About 3" tall.  Then just put water in it - with a servo to press the button down on the top. :)

Offline WhomBom

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Re: Firefighting robot: how to put out the candle
« Reply #9 on: September 26, 2009, 08:05:39 AM »
how about al little pump? maybe a fuel pump from a motorcycle, or a water drainage pump like the ones used in airconditioners (aspen pumps)...

Offline Soeren

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Re: Firefighting robot: how to put out the candle
« Reply #10 on: September 26, 2009, 07:27:50 PM »
Hi,

I am looking for alternative methods to put out the candle in a Firefighting competition. Most people use a fan for this purpose, but I would like to use something different.
Sure, if you've got something that's working, don't try to perfect it - go for a totally different system and make something perhaps-working just to be different ;)


I am looking for a device that will spurt [...] helium,
Sounds a bit dangerous to me.


halon.
Equally so, Halon is not a kiddie toy (you may even drown from using it).
Regards,
Søren

A rather fast and fairly heavy robot with quite large wheels needs what? A lot of power?
Please remember...
Engineering is based on numbers - not adjectives

 


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