Make 2t22 DC motor driven?

[JasonC]

I think the best option is to purchase a utility pole (new or used) and have Xcel hook up the three phase lines service lines to it. Place the pole about 10-20' away from the nearest distribution line. The distribution lines out there are three phase right?
... You don't want to "assume" there are no gas lines or underground electric lines down there and accidently snap one and get blown up or electrocuted.

Yes. I plan to get location done first.
I plan to bring the 240 V three-phase from the existing sewage treatment plant service pedestal, to which the 2t22 is presently connected.
There is an extra unused circuit.

I still don't understand why you can't just pole mount it at the sewage plant next to the fire station? That would be, by far, the easiest way to do this. As of now, your siren is doing absolutely no good for your town. What's the point of even having one if its not even able to be triggered like a normal siren?

[Robert Gift]

...I still don't understand why you can't just pole mount it at the sewage plant next to the fire station? That would be, by far, the easiest way to do this. As of now, your siren is doing absolutely no good for your town. What's the point of even having one if its not even able to be triggered like a normal siren?

You have a good idea.
But it is difficult to find a place there to locate a pole.
Also very costly to buy a pole and plant it.
Surprisingly, it is heard well throughout the trailer park from its temporary stand.
But it would be better on the fire station roof and best higher on a pole.

Is it possible to use two 5-hp DC motors to each power one rotor in its stator?
Then no need of a two-shaft 10 hp motor - if such even exists.

Then we have capability of battery back-up.

[JasonC]

You have a good idea.
But it is difficult to find a place there to locate a pole.
Also very costly to buy a pole and plant it.
Surprisingly, it is heard well throughout the trailer park from its temporary stand.
But it would be better on the fire station roof and best higher on a pole.

Is it possible to use two 5-hp DC motors to each power one rotor in its stator?
Then no need of a two-shaft 10 hp motor - if such even exists.

Then we have capability of battery back-up.

Costly to plant a pole? And you want to put on DC motors and what not? I mean, I'd almost bet Xcel would donate a pole and labor to hook your siren up if you ask them. Even so, a used pole runs what, $150-200? And they have what, a one square-foot footprint? (mount it on the state ROW if you have to) Forget about DC backup, even if you did cobble up some zany plan, I'd be more concerned with the siren actually working after all that modifying, than having DC backup. The 2T22 is engineered the way it was supposed to be.

Just plop it on a pole and actually get some use out of this thing. Stop with the wacky ideas, they don't work!

[jmev]

I wish a pole cost only $200. Try more like $3000 for a class II 55' pole here in PA....without installation.


Bring the 2T22 to Pittsburgh- I'll trade you a freshly rebuild Model 7 single phase for it.

[Justin]

Bring the 2T22 to Pittsburgh- I'll trade you a freshly rebuild Model 7 single phase for it.

Now that sounds like a much much better idea. Wire it up with a radio controller and get a radio activation unit at the station then install the lot in a relatively high spot around the general centre of the community, that saves coverage issues.

Easy, cheap and there's no mucking around the fountain.

Something just hit me...

Does the station have an assistance vehicle? Grab a Federal Q, and wire that up so it it will do some sort of fast wail signal and use that as a precautionary measure should any primary warning fail (whether it be 2T22 or Model 7).

[Gandalf]

Robert:
You're making this so complicated that God The Father can't
understand it.

[Robert Gift]

Robert:
You're making this so complicated that God The Father can't
understand it.

Now that's funny.
I'd love to visit Pittsburgh, my home up to age 16, and play the magnificent Von Beckerath organ at St. Paul's Cathedral.

No, I don't want to alter the 2t22 in any way.
But would it be possible to make it into two 5-hp DC sirens - like a STH and an STL?

It is possible to obtain a 2t22B single-phase motor for it.
But that still leaves no battery back-up capability.

At present, the plan is to use a Whelen receiver to operate the siren in case no one is at the fire station when there is a tornado warning.
The 2t22 would sound when the City of Aurora's closest Whelen 3016(?) siren west-southwest of our area is sounded.

[Jim Z]

But would it be possible to make it into two 5-hp DC sirens - like a STH and an STL?

anything's possible given unlimited time and money

[Robert Gift]

But would it be possible to make it into two 5-hp DC sirens - like a STH and an STL?

anything's possible given unlimited time and money ;)

Just curious.
Is a 5-hp DC motor that expensive?
Can it achieve approximately 3450 rpm?
Can it bolt to the 2t22 stator?
Can the shafts match so the rotor can attach?

If I could, I would consider one motor shaft up to the upper siren and the other shaft down to the lower.

[JasonC]

Jmev, I meant for a used pole. I've seen several older creosote poles for sale in that price range before. I had no idea the newer ones were that much though!

But would it be possible to make it into two 5-hp DC sirens - like a STH and an STL?

Just curious.
Is a 5-hp DC motor that expensive?
Can it achieve approximately 3450 rpm?
Can it bolt to the 2t22 stator?
Can the shafts match so the rotor can attach?

If I could, I would consider one motor shaft up to the upper siren and the other shaft down to the lower.[/quote]

Yes Robert, a new DC motor would be that expensive.
Most DC motors spin at 1750 RPM, especially the big ones.
No, almost all are C-face unless you speacil order them like ASC and Federal.
Unless you custom mount it ($$$), no.
It's theoretically possible, but extremely unpractical unless you ahve the tools and money.


Robert....drop the DC idea already, its NOT going to happen! If you want DC that bad, buy another siren.