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Certainly brings you back to the days of fog horns when they were used on almost every lighthouse all over the world we had a lot of diaphone foghorns here in Canada especially along or east coast in the bay of Fundy not many here though in my province of Ontario

Fog Horn restored by Bruce Findlay, Terence Terry and Peter Clemons

About to head up to this lighthouse, can’ wait. Can’t beat a manly sounding foghorn

Fog horn sounds at 4:02 or so

ребят подскажыте пожалуйста для чего используються эти звуковые сигналы

Yeah like in the original Scooby Doo cartoons hahaha The first, higher note is the horn itself sounding. The second lower note is the air compressor drawing air in through the horn to fill the air tank for the next blast.

Born in George Town which near Low Head , it was great to hear that sound again after all these years , I remember going to sleep to that sound , amazing , thank you

Mother of foghorns

What is the difference in types?

How do diaphones work?

Крякалка )))

there are about three of them I know of, East Brother, one in michagan, and the one that belongs to toot from duluth minnisota.

Nope, it is the same concept an insterment used to make a deep vibretto sound that is power undulated, but this has much higher pressure, and is a slotted piston, a diaphone organ pipe has a pallet covering the one end of the pipe and creates a very bassy sound that is usually more felt then heard due to its lower hertz cycle on an organ, usually a theater organ if any would have them please look up diaphone organ pipe on youtube. to hear it

There are 4 of these bad boys 2 are in USA .

You're thinking of the Gamewell F2T diaphone. It was a two-tone diaphone popular in North America in the 1930's.

love lighthouses

wow! That thing barks. Awesome.

I haven't heard this sound since I was a kid in the late 1970s, and never thought I would again. This is the exact note (but x 4) that used to sound through the gloom from the Sevenstones lightship, a few miles N of the Isles of Scilly, Cornwall, UK, which used to keep me awake terrified as a little kid for years! A proper, spooky foghorn - many thanks for uploading this it takes me back to those days

@KnittingPasta That's a "F-2-T" diaphone that you're looking for. They're almost all gone. probably the best recording I've found is here: v=sf6pGS6ruqI

Spent my holidays as a kid in Lowhead. It's so exciting to hear this sound again. It goes from a f# to a g, then down an octave to a lower g.

Is this the same as the Diaphone of the organ?

@KnittingPasta The sound we think of as a fog horn from Saturday morning cartoons, the deep 2 tones is made by a Diaphone. It's actually 2, 1 for each note. Look up Diaphone on Wikipedia for more info. They've been retired because they require HUGE amounts of compressed air. Modern electronic fog horns are much cheaper to operate. The one in this vid is a single diaphone, but it takes a second to settle in, then speaks its main note, then has sort of a gulp at the end. They're unbelievable loud.

This is without doubt the most awsome sounding and loudest foghorn in the world, and just my luck I live as far away from it as you can get! I'd love dearly to hear this in action for real.

what you are refering to is called an f type 2 tone, or f2t to hear a real one type in east brother lightstation on youtube, its a lighthouse in richmand california it has the only working one I know of they have a range I think of about 10 miles out to sea, and another working diaphone is grand harbor in traverse city in michagan but its just a regular f type they put there and blow from time to time for the visiters.

Is the main compressor driven by a westinghouse telsela motor?

3:36 it sounds like your in a UFO

My dad took me to see a Fog Horn at the mouth of Port Phillip Bay in Victoria when I was young. It was so loud... I actually was down that way the other day and saw it (wasn't operating), but there is a room with machinery similar to this close by. Thanks for the great video!

@KnittingPasta I now the sound your describing a higher note followed by a longer lower note. I think in Canada Fog horns used that sound and that is the sound that Looney tunes, most movies and the BBC goodies used that is why it is mostly thought of in popular culture as the sound all old fog horns used.

@wobblefluff Thankyou for the question. It is sounded every Sunday morning as a tourist attraction by a small group of enthusiasts.

baaaah-FOOOOOOOO! baaaah-FOOOOOOOO! baaaah-FOOOOOOOO!

That is one awesome Diaphone Fog Siren. Thanks for the vid, very interesting.

It sounds like the piston starts oscillating before the main air supply is opened.

now that is a cool sound tks for the vid

Thanks for uploading. That is the most awsome sounding foghorn ever! Theres only two working diaphones left in the UK and niether sound as good as that.

Is the 'closure' sound the voice valve closing again? If not, then what is it? I've been thinking about building a large horn.

Hello Moosup44 I don't actually know about Kockum's Tyfons. The lower tone part wasn't actually all that loud in real life and I think is was something to do with the timing gear. But the Higher and closure sound definitely were loud to the point that I nearly dropped the camera when I first recorded them (edited that bit out).

My in-laws did that. They loved it!

Agreed

I think I would be very intersting if you could stay about a week as a lighthouse keeper

Oh i see.. but hey awesome video.. you know i had never seen anything like this before, the closes light house here is the Florida Cape one at Keybiscayne.. and it just reopened to the public.. but it doesn't have a fog sirene system..

It is above the two air Tanks accessed by the small catwalk. I couldn't get up their to film it.

thats pretty interesting, but where is it the fog diaphone located?

amazing machine..don't you love old stuff, it just works.

Me two peugteobike. I'll be back up their in a few more months time manning the lighthouse station for the international lightship weekend. Each year hundreds of Amateur radio operators activate these old lighthouses and try and talk to all of the other ones. It is a world wide event so it is a hectic weekend. Our setup will be a lot better this year as we will be set up in the light keepers house. Looking forward to posting a new better video on it.

I'm a big fan of lighthouses

Yeah I agree ZAKKGREEN, it's like when you look at old stone building how much effort they put into building them without all todays tooling. Now they can build things a lot better but they don't.

What an awesome piece of machinery! Things that were made in the past were so much cooler, and better built. Nothing state of the art will ever come close to reproducing that sound.

lowheadjill, it is good to have a locals input. I agree also and have suspected that it was supposed to sound closer to the Portland light house (UK) which is also recorded on youtube elsewhere, but I don't have the benefit of experience. If you have the equipment I know there would be plenty of people whom would like to hear a newer recording. BIGMIKESOCAL springs to mind. Anyway thank you very much for your comment.

LadyNotorious I reckon there are plenty of foghorn fanatics out there that would love their email to do that also. But I reckon it would make me jump also especially if I had the speakers up too loud from listening to some music just before.

boxa888 your right it is called a G-type because the note is the same tone as say the G key on a piano in the middle octave.