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Can LOR be used to start a Fire?

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Well this is just a thought, and I claim no responsibility for how anyone uses it, but...

Plug a 9vDC power supply into your LOR channel, wire a model rocket igniter on to the end, and place this in, on or around the item you are trying to ignite. This would only work as a one time thing, but if you were trying to synch a fireworks show to music, this would work fine (in theory).

Art

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Model rocket igniter? Only a one time shot. Mounted with alligator clips? Now to find a solenoid that acuates the gas. I wonder if I can find something off my wife's car when she's not around? I won't mention a 3 inch steel pipe, with a plate welded on the bottom, and a hole drilled through for the rocket ignigter to fit through. All you need is just a small amount of xxxxxxxx (word left out on purpose, I don't need someone blowing their hands off on my account), and you have a nice bang!

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Flicker flame bulb...
That's the ticket !:}
(That way you are still around for a while!):waycool:

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Wow all of the comments here make me want to put on a fire safety course, free to PC members...

Jason

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firefighterjason wrote:

Wow all of the comments here make me want to put on a fire safety course, free to PC members...

LOL throw a cool-sounding engineering problem my way and I'm happy to try to solve it. Just don't come back to me with the consequences when you try to implement it :laughing:.

-Tim

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Zak,

I’m sure you’d figure this out anyway…

Just use the pilot light, gas valve and igniter from an electric gas furnace and run propane through it. Energize the gas valve (remember its 24 VAC) which releases gas to the pilot venturi supplies power to the igniter. This in turn lights the candle. Now you just need to figure out the electronic snuffer.:]

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I'm looking at doing something for halloween so a furnace gas controller will work/ How do I get a large ball of fire to go up into the air with a limited size tube through the controller.

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Wow, this thread got woke up from the dead almost exactly a year later!

:D

-Tim

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tfischer wrote:

Wow, this thread got woke up from the dead almost exactly a year later!


Wow, that’s interesting. I didn’t do it on purpose. It showed up at the top of the resent list. I never even noticed the date. I didn’t expect to.:shock:

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next question. Where would be the best but cheapest place to buy one and how to set it up?

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I can't decide if this is the funniest, or scariest thread I've had the pleasure of reading since I became a PC member... Potato cannon?!? Didn't EAB or someone want a modified version of this to shoot candy canes? (...at people?!?!?)

ROTFL

jeff

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tfischer wrote:

LOL throw a cool-sounding engineering problem my way and I'm happy to try to solve it. Just don't come back to me with the consequences when you try to implement it :laughing:.

-Tim


I read this line and laughed 'till I cried and my side hurt! The dog is looking at me with his head turned to one side!!! :]

jeff

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I sense a "jackass" video in the making.

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CLose a 12V relay to a squib (like a model rocket igniter) inserted into a bottle rocket (or LARGER) to fire when you send the command via LOR.

I am thinking of setting up 64 channels of rockets to shoot at vandals who sniff around the yard after hours.

:)

RW

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I should of posted a video of us when we got the hard packed explosive out of a sonic boom (the thing that makes the boom) and set it up on a pile of gun powder with an old extension cord on it. Simply got some tiny wire (Think it was 1 strand of network cable) then tied it from hot to nuetral and buried it in gunpowder with the boom on top. We didnt think it would work, but jeeze, plugged it in and we couldn't hear for a few minutes. :]

Zac

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I can always count on you guys for a good laugh!!!

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I actually researched inexpensive (no rocket ignitors) electrical ignition a fews years ago for some RC airplane stuff. We wanted to do an airshow at the local RC club where planes would make a simulated strafing run that would trigger firecrackers on the ground to look (and sound) like bullets were actually being fired.

What we came up with is actaully quite simple and about 95% effective (we have a misfire once in a great while). We made a platform with 4 RC servos on it (normal 4 channel RC radio). All servos (except one) activate a momentary-on switch at each end of the servo's travel. The final servo had one momentary switch and one toggle switch.

The momentary switches were wired to sets of alligator clips (one positive and one negative). The negative side went straight to a 12v battery (the battery must be seperate from the RC system power). The positive side was switched by these momentary switches. The toggle switch was the safety switch which made the connection to the positive side of the battery. Each switch was operated by moving the servo to its extreme end of travel.

Between the alligator clips, wrap the firecracker fuse with a little wisp of steel wool (this is very cheap, but also very reliable). Once the whole system is setup, we have 7 firecrackers (or smoke bombs) ready to light. To set overything off, the operator would arm the system by toggling the safety, then sequentially leaning on each momentary switch. Pop, Pop, Pop. It would require a little timing finesse, as the planes are moving at around 40MPH, so you would need to lead the planes enough to allow for a believable show (fuse burn time) but we got it right with some practice.

Later on we discovered that nichrome wire is just as reliable and makes a smokeless, very fast ignition. If you buy a $7 toaster from wal-Mart, you can get enough nichrome wire to do about 200 shots. Just using thin copper wire was too unreliable for us, we got about 50% misfires.

Anyway, if I were doing this via LOR, I would substitute SSR's for the momentary switches, and it all should work fine. Just be sure to add the safety switch so that you can load the thing with peace of mind (wouldn't want to be loading the alligator clips when the computer hiccups).

Dave

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FYI- Model Rocket igniters are usually made of nicrome wire...

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FBinthesouth wrote:

FYI- Model Rocket igniters are usually made of nicrome wire...



Yep, at $3 for 6 of them.

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No doubt on high price if you buy them as rocket igniters. They sell it by the spool at appliance parts places but you are probably right to say a cheap toaster will do!

Most spools start at $35! You can buy a few toasters for that!

RW

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This whole thing is a joke, right? Live sparks, fire,flame, ect.

NOT :devil:

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FBinthesouth wrote:

FYI- Model Rocket igniters are usually made of nicrome wire...


I haven't done rockets for years, but back when I did, the ignitors had a chemically treated tip and that was what produced the flame.

-Tim

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John Pidliskey wrote:

This whole thing is a joke, right? Live sparks, fire,flame, ect.

NOT :devil:


Come on John, where's your sense of adventure?

I was planing on synchronizing potato cannons myself. :laughing:

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jeffmill wrote:

I can't decide if this is the funniest, or scariest thread I've had the pleasure of reading since I became a PC member... Potato cannon?!? Didn't EAB or someone want a modified version of this to shoot candy canes? (...at people?!?!?)

ROTFL

jeff

Yep, except I'm doing it with lights and coroplast... LOL!!!

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