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The Horn and Whistle Board • View topic - Leslie Tyfon A-125-LP

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 Post subject: Leslie Tyfon A-125-LP
PostPosted: Sun Dec 09, 2007 5:47 pm 
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Posts: 88
I recently aquired my first locomotiveair horn, the Leslie A-125-LP. The horn is the earlier Bronze casting with a Phenolic diaphragm. The horn seems to be in fine shape, as I took it apart for cleaning.

The basics please,

What kind of Air Supply will be efficient for using this horn? Is there anything special requarding care and maintenance and what is the thoughts on painting and polishing? I did use some brasso, just to remove the bad green corrosion, but the horn is still a deep dark bronze.

My plans are to get a Leslie A-200 so that I can eventually sound the 125 and 200 in tandem, to mimick on a smaller scale the large 300s and 425 steam Tyfons on the Great Lakes Ships. I have heard the A-125 / A-200 combiantion and it mimics a similar interval and tone quality which would be great for saluting the passing ships in the summer with an equally unique sound. Im thinking its the large diapraghm that gives the old Tyfons, their great deep and clear voice-ing.

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 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Mon Dec 10, 2007 10:45 am 
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Joined: Wed Mar 07, 2007 7:06 pm
Posts: 467
Location: Somewhere in Burgundy - France
Good morning Mackinac Mac,

Welcome on board and in the world of horns collectors.
I am glad you joined us because I'm a long standing fan of your Lakers videos, especially those with horn blows.

Thanks for sharing these pleasant clips with us on YouTube.

When I was in Quebec and Ontario the past Fall, I tried to spot some of these ships, but they don't seem to show up there as much as in Michigan.
The same for horn toots, Transport Canada must have a noise ordinance a lot tighter than in the US, because train and ship horns don't blow that often.

About your horn, I have no experience with Leslie Tyfon 125 yet, and I am sure people like Adam, Ken Kanne or Mike Muha will bring you some more relevant answers than me.
I do have 125 and 150mm horns, as well as 4 and 6" ones. I plug the first ones with a 1/2 air line, the latter with a 3/4 hose.
This horn should handle easily pressures over 150psi, but safety first, 130 would be just cool. But this is for bronze diaphragms, I have no clue about the limits of these bloody plastic ones!!!

The air flow must be consequent as these horns from the Tyfon model are real air hogs. If you want to get some decent blows to catch attention from passing ships (three toots salute), then you need to get a rather large tank.
My 100l (30 gal) one was barely enough when blowing my Tyfon 200, so I'd say a 50 or 60 gallons one would be correct for begining.
This tank must have, at least, one 1" connector on which you will fix reducers. That because it's better for the air flow to scale down the air pipes than scale them up. And, secondly, if you once get one Tyfon A-200, this mummy will need biiig air supply!!!

About care and polish, Adam has interesting recipes for that!!!

I am a strong Tyfon fan, because of their unimitable old fashioned sound. Check my precedent posts for the soundfiles of the horns I already have. I own 4 Tyfon 200 and a fifth is on it's way to my home. It will be a pleasure for me to share some infos with you.
For instance, this big booming voice you were talking about is not only made by the size of the diaph, but by the diameter of the throat and the heavy bronze casting as well.
Also, the longer is the bell, the lower is the sound. My Zöllner ZM200 sounds lower than my Kockums Tyfon 200 because it's bell is 1 1/2 longer.

Have fun tooting with it.

Cheers

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Raoul, the "Frenchie" of the Board and ship horns addict.

http://www.youtube.com/user/Bighornshunter

Ship Horns, Cornes de Brume, Schiffshorns, Scheepshoorns, рожочок корабля, Horns of all Countries, Unite!!!


 
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 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Mon Dec 10, 2007 7:40 pm 
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Joined: Sun Mar 18, 2007 11:13 am
Posts: 1438
Location: Horn friendly Silverhill, AL ;-)
Here's a .pdf of the Leslie data sheet regarding air consumption of the Tyfon series of horns. The data sheet doesn't mention it, but I would suggest a 1/2" minimum I.D. air line, with a full flow ball valve for actuating it when blowing the A125s and A200s. The 125s and 200s are plumbed with a 1/2" NPT tapped feed in the mounting foot (except for the marine horns). The A200 in particular, and the A125 to a lesser extent, is hard to get 'started' if the feed line is too small. They require a large influx of air to get the diaphragm to break into resonance. If the horn is "humming into action" before blowing loudly with the valve wide open, it's a good chance that the feed line is too small.

I love those big single note honkers. Trying to find what made the the sound of an A200 so I could get one was what started me on the air horn hobby. Now I have a whole bunch of them.


Attachments:
air comsumption A75 A125 and A200.pdf [557.34 KB]
Downloaded 145 times

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 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Mon Dec 10, 2007 11:00 pm 
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Joined: Sun Dec 09, 2007 5:38 pm
Posts: 88
So I checked the horn out and all looked good. We went to sound it on a 130-150 PSI Air Supply and the fittings reccomended, and nothing. It just hissed and hissed. We tried tightening the back cap down real hard and same thing. I didnt want to keep cranking on it, and then I got this idea. There was a music CD laying on the work bench about the same size as the diaphragm and I placed it behind the diaphragm. Tightened the cap by hand and the horn seemed to work just fine with a nice deep tone. Here is the video:



http://www.youtube.com/watch?v=iWMog0Wtkgs

So , how does it sound to you all? The camera mic isnt the best

So I took out the diaphragm and inspected it. It seems that perhaps the old edges are mashed down to much or its hardedned over time and doesnt make a good seal? Is this possible. I was thinking that If I put a thin coat of epoxy on the backside of the diaphragm it would be enough to make up the needed thickness and likely work properly.

So, should I attempt to thicken the diaphragm or make a gasket? Has this been done before?

Or time to just get a Diapraghm from the Horn Hospital?

Comments and Thoughts Please!

Thanks!

Michael

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 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Tue Dec 11, 2007 9:36 am 
Mackinac Mac wrote:
So, should I attempt to thicken the diaphragm or make a gasket? Has this been done before?

Or time to just get a Diapraghm from the Horn Hospital?


Ken makes excellent diaphragms, I'd go the Horn Hospital route Wink


 
  
 
 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Tue Dec 18, 2007 12:11 am 
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Site Admin with his Tyfon 425

Joined: Mon Mar 05, 2007 10:46 am
Posts: 1056
I saw that one go by on eBay. You got it at a great price, and are you aware that it's the comparatively rare bronze A-125-206? Most railroad A-125 horns are the shorter 247 Hz model, yours is the LP (low pitch) 206 Hz version. I once had one of these that was stamped with the U.S. Navy anchor. That one had a 3-leaf bronze diaphragm, and it's now in the collection of Jodie Wells.


 
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 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Tue Dec 18, 2007 10:48 am 
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Joined: Tue Mar 06, 2007 4:09 pm
Posts: 1517
Location: Laurel Run PA.
Your A-200 + A-125 will sound like this audio file. Actually, this combination was used on some Railroads on there early EMD. E, and F units.

Ed K.


Attachments:
File comment: A-200 + A-125 Audio.
Ed K.

A-200+125 EK.mp3 [358 KB] Viewed 449 times

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 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Wed Jan 02, 2008 5:21 am 
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Joined: Wed Mar 07, 2007 7:06 pm
Posts: 467
Location: Somewhere in Burgundy - France
Hey Mac,

Here is one nice Tyfon 200 that might interest you:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=290195279707

Badly tagged and listed, you may be lucky to get less bidders than usual.

It's stamped "200 RR", maybe the specialists here might give us the vintage of this horn???

Wish you luck for this bid if you go.

Bye

_________________
Raoul, the "Frenchie" of the Board and ship horns addict.

http://www.youtube.com/user/Bighornshunter

Ship Horns, Cornes de Brume, Schiffshorns, Scheepshoorns, рожочок корабля, Horns of all Countries, Unite!!!


 
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 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Wed Jan 02, 2008 8:40 am 
bighornshunter wrote:
It's stamped "200 RR", maybe the specialists here might give us the vintage of this horn???



Use of the 'RR' designation would place the production date sometime in the 1930's.

Definitely an early Tyfon to say the least


 
  
 
 Post subject: Re: Leslie Tyfon A-125-LP
PostPosted: Wed Jan 02, 2008 12:29 pm 
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Joined: Wed Mar 07, 2007 7:06 pm
Posts: 467
Location: Somewhere in Burgundy - France
Uhhh!!!

That old??? Shocked Shocked Shocked
But that makes it a relic!!!

And what about Tyfon for Marine use, how were they tagged?

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Raoul, the "Frenchie" of the Board and ship horns addict.

http://www.youtube.com/user/Bighornshunter

Ship Horns, Cornes de Brume, Schiffshorns, Scheepshoorns, рожочок корабля, Horns of all Countries, Unite!!!


 
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