northwest FFD Fire Fighting Drone
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bugwhiskers
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« on: Tuesday January 7 2020 09:02:50 AEDT AM »

The attached pic shows a Fire Fighting Drone.

The Drone is operated via wireless with the pilot wearing a 3D goggles with the video coming from a camera on the drone.
The tank outer skin is covered by the batteries with the tank water keeping them cool.
The electric motors (blades & pump) do not need oxygen so can fly through air containing no oxygen.
When empty the drone returns and lands in a tank with the water sucked up via the nozzle.
The legs provide the conduction path to charge the batteries and power the pump while refilling.

* FFD.pdf (24.91 KB - downloaded 60 times.)
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authere
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« Reply #1 on: Tuesday January 7 2020 10:38:08 AEDT AM »

Hi Bugs,

I like your way of thinking,small models at first just to get things right and then how big could you go 1 kilo per litre of water it's going to be a lot of weight to lift

It would be a lot safer than sending our boys in

Cheers,Ron
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bugwhiskers
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« Reply #2 on: Tuesday January 7 2020 11:08:34 AEDT AM »

A cubic metre tank would weigh 1 ton, that's a heck of a lot more than a firefighter could carry.
The remote pilot could guide it to really hot spots and drown them.
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authere
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« Reply #3 on: Tuesday January 7 2020 15:07:41 AEDT PM »

Hi Bugs,

I think the batteries to run this would be excessively large probably have to run its own generator for power...we use drones to kill people why not to save some

Cheers,Ron
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bugwhiskers
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« Reply #4 on: Tuesday January 7 2020 15:58:59 AEDT PM »

A large number batteries would be required and despite the large current draw the Aluminum tank + the water would help keep them cool both during use and charging. I forgot to add the second rotor which rotates in the opposite direction, three or four rotors could also be used. The same pump is used to spray and refill the tank. If the nozzle is spraying downwards (ideal) then less battery energy is required by the rotor/s.

A video showing precision drone control.
  

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bugwhiskers
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« Reply #5 on: Wednesday February 5 2020 11:22:03 AEDT AM »

Today I contacted Tesla Australia and spoke to a staffer named Marko. He understood the concept and is going to contact head office. Tesla make the ideal type of batteries and electric motors to do the job.
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bugwhiskers
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« Reply #6 on: Wednesday February 5 2020 12:16:14 AEDT PM »

The camera on the drone can be switched to infra red mode to locate the hot spots (ember sources) through the smoke.
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authere
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« Reply #7 on: Wednesday February 5 2020 14:21:57 AEDT PM »

Hi Bugs,

My brother has recently bought the Mavic Pro platinum, one of the main reasons apart from for prospecting was the range that it can be used away from the operator....would this pose a problem, i think its 7km for the Mavic drone but have heard of nothing anywhere near that distance from other drones

Cheers,Ron
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LostaGold
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« Reply #8 on: Wednesday February 5 2020 15:13:54 AEDT PM »

  
The camera on the drone can be switched to infra red mode to locate the hot spots (ember sources) through the smoke.


Try looking into "Flir"as in Queensland this is what the urban and Auxiliaries  firefighters use for search and rescue, RTC incidents.
  
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bugwhiskers
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« Reply #9 on: Wednesday February 5 2020 16:15:12 AEDT PM »

The RAAF Chinook helicopter could probably carry 6 drones and their pilots.
There needs to be land cleared (a couple of hectares) and dams built all the way down the east coast at say 200k spacing. They would also serve as a water source for wildlife and a safe area in times of fire.
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bugwhiskers
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« Reply #10 on: Wednesday February 5 2020 19:13:07 AEDT PM »

  
  
The camera on the drone can be switched to infra red mode to locate the hot spots (ember sources) through the smoke.


Try looking into "Flir"as in Queensland this is what the urban and Auxiliaries  firefighters use for search and rescue, RTC incidents.
  

The drone pilots use "virtual reality" headsets and can receive standard video or infrared.
The drones also have GPS so they can avoid mid air collisions with the other drones.
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Huego
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« Reply #11 on: Thursday February 6 2020 00:24:42 AEDT AM »

Hi Bugwiskers,

I've just sent you some ideas following a meeting with my 2 engineering friends that I mentioned to you. Perhaps you will find their responses and mine interesting and useful.

Good luck with Tesla. If they like the idea they will be ideal partners esp. with Musk's adventurous spirit, risk capital and wish to fly.

Cheers, Huego  good luck happy face
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LostaGold
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« Reply #12 on: Thursday February 6 2020 01:27:14 AEDT AM »

RF6 firefighting foam is added for air operations, reason being it expands water over 1800 times.
In order to make foam in that manner you need three main things;
01. Water
02. RF6 Foam ratio's from as little as 0.025% dialled up to 6%
03. Airation- The More  air the maximum output of  foam

When water is scarce or the firefighting medium needs to be maximised, foam will/is used.
For your idea to go ahead in a firefighting application/use it will require you to incorporate this to make it a viable option for class A fires that you wish your drones to combat.

Also I know of QFES and of other states already making use of drones as a way to quickly update ROC (headquarters) and to also best direct crews on the ground.
A lot of what you mentioned has already been developed by the military way back IMO, only that of a different "Payload" (instead of bombs you want water)
To conclude
The reason why water is used for fires is that it's a cheap, effective and readily available firefighting medium but 
if you look at all air operations "they" will include the use of foam in varying percentage's
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bugwhiskers
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« Reply #13 on: Thursday February 6 2020 18:33:10 AEDT PM »

  
RF6 firefighting foam is added for air operations, reason being it expands water over 1800 times.
In order to make foam in that manner you need three main things;
01. Water
02. RF6 Foam ratio's from as little as 0.025% dialled up to 6%
03. Airation- The More  air the maximum output of  foam

When water is scarce or the firefighting medium needs to be maximised, foam will/is used.
For your idea to go ahead in a firefighting application/use it will require you to incorporate this to make it a viable option for class A fires that you wish your drones to combat.

Also I know of QFES and of other states already making use of drones as a way to quickly update ROC (headquarters) and to also best direct crews on the ground.
A lot of what you mentioned has already been developed by the military way back IMO, only that of a different "Payload" (instead of bombs you want water)
To conclude
The reason why water is used for fires is that it's a cheap, effective and readily available firefighting medium but  
if you look at all air operations "they" will include the use of foam in varying percentage's


Drones are the ideal vehicle.
Who remembers early American movies that showed a big red truck with sirens blaring on it's way to a fire in the city?
The Firemen then had to roll out the hose and connect to the hydrant and the ladder had to be slid up to the 10th floor.
How long would it take drone to get there? Attacking the fire early while it is weak is the key to success in fire fighting.
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bugwhiskers
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« Reply #14 on: Sunday February 9 2020 08:24:04 AEDT AM »

The attached pic shows the power calculations of 18650 Li Ion cells filling 4 sides of the 1 Cu Metre cube (1 Tonne of water).


* FFD_PWR.JPG (19.03 KB, 188x160 - viewed 46 times.)
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authere
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« Reply #15 on: Sunday February 9 2020 16:10:03 AEDT PM »

Hi bugs,

Thats adding an extra 310kg @50g each, i noticed also that Tesla also do battery packs one of them had 7,000+ batteries and produced 85kw...no idea if any of this helps


Ron
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