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Old 11-09-2013, 3:21 PM
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Default DIY Train Horns

So you dont have $2000 to drop into real train horns. So why not build your own? Thanks to Dozerboymiller, you can now make PVC air horns that easily hit 110+ disables. Maybe $70ish in parts and a few hours of your time and you could have a set of very convincing horns.

PVC Nathan M5 train horn vs Nathan Airchime K5LLA decibel test - YouTube

Train hornbuilt from PVC pipe parts - YouTube

Here is the Ebay link for his instruction booklet.

Train Locomotive Railroad PVC Air Horn Building Booklet | eBay
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Old 12-19-2013, 3:48 AM
   
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I want to build a Nathan M5 train horn, tell me how can i make it?
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Old 01-02-2014, 8:19 PM
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I want to build a Nathan M5 train horn, tell me how can i make it?
I got the plans to build mine from the local police department. You should try there. My understanding is all of the police departments have the plans but you do need to go in and ask for them in person.
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Old 01-03-2014, 4:26 AM
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I got the plans to build mine from the local police department. You should try there. My understanding is all of the police departments have the plans but you do need to go in and ask for them in person.

Yes, I am sure they will be fully cooperative LMAO!!
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Old 01-03-2014, 8:41 AM
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The police just want everyone to be safe and train horns are a great safety tool.
That is why they're eager to give out the plans.
Some departments even have a seminar with free food and lodging.
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Old 01-03-2014, 8:55 AM
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Originally Posted by rapidcharger View Post
The police just want everyone to be safe and train horns are a great safety tool.
That is why they're eager to give out the plans.
Some departments even have a seminar with free food and lodging.
LOLOL!!!

Back in my volley days, I had a Grover Products "emergency air horn" (a real fire truck air horn) and a compressor/air reservoir tank hidden under my hood. I'll never forget the day I took it to the state inspection center and forgot to throw the toggle switch to the "regular horn." So, the motor vehicles inspector went to blow the horn, the solenoid kicked in and there was this echoing blast in the inspection station! I think one of the guys who was standing upwind peed himself. I was like, "Uh oh!" I got a red sticker on my window that day and had to disconnect it before I went for a re-test. (Oh, the shame and indignities!)
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Old 01-04-2014, 6:28 AM
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Wirelessly posted (Opera/9.80 (BREW; Opera Mini/6.0.3/27.2338; U; en) Presto/2.8.119 320X240 LG VN530)

Not a train horn, but my dad, who was a fire police officer near Philly, had a two-tone electric air horn on a toggle switch, and it would alternate between the high and low tone horns. He also had his OEM horn set up the same way, it alternated between the high and low tone horns, but was activated the normal way on the steering wheel.
He once cleared the way for a township cop when other motorists were ignoring the cop's siren, and once they were clear of traffic, my dad pulled over and let the cop go by lol

Last edited by KB7MIB; 01-04-2014 at 6:32 AM..
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Old 03-17-2014, 10:19 PM
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Sorry, forgot about posting the video Finished PVC K5LH train horns - YouTube
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Old 03-18-2014, 9:07 AM
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See I told you them Southeast Georiga police would help!
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Old 03-24-2014, 11:19 PM
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The Grover Stuttertone will get anyone's attention, especially when they are asleep at the stoplight.

None of these are for in town use, of course. You should see the strange looks when my neighbor drives through the UP freight yard here. He has a locomotive bell under the hood......
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Old 03-25-2014, 8:53 PM
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Its not hard to tune a PVC horn to that note. Does anyone know what note it sounds to?
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Old 03-26-2014, 12:07 AM
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Quote:
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Its not hard to tune a PVC horn to that note. Does anyone know what note it sounds to?
Grover's catalog doesn't specify. These horns are huge, by the way. I had a devil of a time mounting one on my Expedition, the horn is 25 inches long. You CAN order replacement diaphragms, seals, and complete kits to repair a horn. I imagine a diaphragm kit isn't that expensive....

If you scan through Youtoob you should be able to find several instances of the Grover in action. The old Emergency! series had some wonderful long sound clips of them running Code 3 with the Grover as the featured air horn. From that, you should be able to deduce fairly easily the base tone. Keep in mind that the 'Stuttertone' feature is unique to the Grover, and gives it that special sound that no other air horn has. In the catalog it says for emergency vehicle use only, so I don't know how much grief they would give you in ordering spare parts. I have never had any trouble, but of course, I always order through a department. That helps.
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