Air siren? Sounds more like a leaf blower.

@HelloKittyFanMan.

6 жыл бұрын

He called it an "air-RAID siren," but it really needs to be MUCH bigger and louder for air raids.

@HiFiThefox

6 жыл бұрын

Probably work better for that as well

@coydog7902

6 жыл бұрын

Sounds like an ACA hurricane

@mjyanimations1062

5 жыл бұрын

It sounds like my pc

@dogboy1624

4 жыл бұрын

It need to be more biggee

Looks more like two F1 cars in a race for 1st place

@itsyaboiwan6416

4 жыл бұрын

Yea lol

@yamahar100

3 жыл бұрын

literally lolling

Best $200 3D Printer Creality Ender 3 - Gearbest: goo.gl/yK5PLf If you have even a little interest in DIY or making things, Get this printer ASAP! Thank me later. It opens up so much possibility. New Video: 5 3D Printed things kzread.info/dash/bejne/Zpyamsupqsmtk6g.html

red siren sounds better?

@--marshy--

6 жыл бұрын

no

@magnuswf

6 жыл бұрын

Sound more like a real sirene imo, so I like the red one better too

@coydog7902

6 жыл бұрын

The blue one sounds like an ACA hurricane

@miikkavrindts8769

5 жыл бұрын

I agree

@the_real_drwhoroblox1935

5 жыл бұрын

the blue one sounds like a decot.

When having two tone you also need the stator to have the appropriate amount of slots too. You can't have two different rotor configurations with one type of stator. Also if you know the input rpm you can actually determine the frequencies at that rpm and then figure out how many slots to use to make it sound authentic. WW2 British 10/12 configurations spin at around 2850rpm and produce 475 and 570Hz tones when well spun. Here is a handy calculation for you. f(Hz)=(n*rpm)/60. n=number of slots. But on a positive note, a pretty decent attempt to 3D print an air raid siren.

Holding them in your hand during operation is nuttier than squirrel poo. Clamp the damned thing to the bench and shield yourself against possible structural failure. You may not care now, but I bet you will after a chunk of plastic passes into your hand... or worse. Be safe, please. :)

the red sounds better

@Miguel.04.a

6 жыл бұрын

Mambawan hola

Sound about right to me. I live in a midwest small town that still has analog sirens for tornado warnings and tests the first tuesday each month.

@tventrca

6 жыл бұрын

Analog as in mechanical? Those are still made today, I even have one of the modern ones known as the T128. When you say analog it makes me think of the Whelen ESC-864 controls on the old sirens

I would suggest that you make it have a seperate 5-port row in the stator. It will make it much louder.

@MrExpert

6 жыл бұрын

in the Next version :)

@kryliaviru6087

6 жыл бұрын

Plus make it so it's 2 of em, for more accuracy to the classical versions, in the final version, which shouldn't be the next version, but you know.

@coydog7902

6 жыл бұрын

Make a 9/12 port siren

@the_real_drwhoroblox1935

5 жыл бұрын

why is my tornado siren enthusiastic friends here?

Fantastic, bro! 😀

@nicodante6485

6 жыл бұрын

MC's Creations hi I nerd

This looks spectacular! Can't hide my anticipation to observe more like this. Great job.

Awesome realization!

B natural and f sharp are the notes you want to hit, it hard doing it on one fan instead of two contra-rotating traditional style sirens

V1 sounds more accurate to a real air raid siren

@trashy6326

4 жыл бұрын

IKR

The blue siren reminds me of circuit manufacture race cars. Like when their RPM gets high enough to shift to the next speed the blue siren reminds me of that. Cool siren design, also!

MrExpert, I’ve been in the fire service for going on 5 years now and we use a siren called the “federal q” also called Q2B this siren is pretty big and also cost around 1,200 to 2,000 dollars, I was wondering if with 3D printing if you could produce the same thing at a lower cost? And would it sound the same?

Wow what a beautiful idea

This sounds way better. Great work. You inspire me

The sound is right, but the pitch is off. Use a more powerful motor, due to the dual layer slows it down. Also, if you can, try to make it hand crack

@MrExpert

6 жыл бұрын

Motor was operating at around 60% . I think on ful power it will make quite good noise keeping in mind the size. Hand cranked version of the same size will have less rotation hence low sound I suppose.

@ArthronOfFir3

6 жыл бұрын

MrExpert I kinda agree with you there, but at least I'll try out this for my personal alarm system

That is one beautiful motor

PUT THEM TOGETHER TO MAKE THE ULTIMATE WEAPON OF MASS DESTRUCTION AND MY PERSONAL APPROVAL AND SATISFACTION

Monotone sirens are pretty common around here, near me there's a Sentry 10V which is an absolutely incredible sounding monotone siren.

Could you explain the electronics layout a little more and where you got the speed control dial switch? Sorry for the trouble

congrats you built a fan that doesn't blow air

Awesome!

remove the air gap at the front of the blade occulting cylinder. Place a resonant cylinder on the front of the blade occulting chamber. The length of the resonant cylinder should be l=v/(f*n) where v is the speed of sound and f = rotational frequency, and n is the number of veins in the main rotor. You also can reduce the number of fingers in the occulting cylinder.

Dual tone sounds like a Thunderbolt!

How to make a leaf blower noice maker

You should set up some kind of simulated engine sound thing with this including 'shifts' and use the blue one for an F1 motor simulation.

Congratulations....you made a mechanical whistle fan.

Would you share your file on yeggi so i can print one for my stuka plane?

Cool!! Those sirens always sounded scary to me! I can't wait til I can get my own 3d printer...

I like the second one, it has an harmonic distinction to it. It made large, it can be put as sounds for electric car motors instead of using artificial electronic generated noises

The rotor and stator are NOT made properly to allow more airflow and correct number of rotor blades and stator ports.

@MrExpert do you have the link to the 3d parts? So that i can made it.

All right, you posted this on my birthday! Nice job. But you still have a handful of issues to deal with: 1. No matter how many tones you give a siren, it won't qualify as an air-raid siren unless it's SUPER loud (130-140 dB or so) so it can cover a few average cities. So just call these mechanical sirens generally, and what you want from this project, a 2-tone mechanical siren. 2. Not all air-raid sirens are the two-tone type. The loudest-ever air-raid siren is actually a single-tone V8-powered one from Chrysler. 3. But since you are looking for a traditional 2-tone sound, the way to do that is with the 2 tones playing a minor third chord. 4. A minor-third siren has choppers whose blade counts are just 2 apart, such as 10/12. 5. Optimally you'd need to make stators that match the choppers. So if one chopper has 10 blades and the other has 12, then your stators need to have 10 and 12 ports as well. 6. The motor will be more efficient if you print a lot less blade material than those thick blades you have. Try making the blades only about as thick as the disc. 7. The motor will also be more efficient if you have it spin the chopper in the backwards-curved direction. This means that the blades spin counterintuitively, toward the direction that the convex curves face, rather than towards the concave curve; even though you think that other direction will pick up a lot less air, they design this kind of blower to do just that because it's much easier for the motor to do, and thus the motor spins up much faster, or uses much less electricity on the same speed, more than compensating for the difference.

Great project. Would you share the STL files for this project?

You need less clearance between the rotor and the outer shell (whatever it's called). It needs to chop up the air, the pulses of air pressure are what we hear as sound. Also, be really careful, these RC motors are very powerful and can spin fast enough to make a weak rotor shatter. It's more like an explosion, lol... Another thing, you should make the frame sturdier. Vibrations and imbalances in the rotor will make it scrap on the sides, and possibly shatter.

How do you power that motor

I like v1 better, you've solved the monotone issue but sacrificed pitch. Great job putting these together, it's inspiring to see precision parts made.

This is why I want a 3D bringer

@jackssirensrobloxandmore111

4 жыл бұрын

Printer*

I think you need a 5-bladed section on the stationary part to be tuned with the 5-bladed part of the ‘turbine’. Maybe the 5/8 ratio isn’t the best from an acoustic standpoint. Not an audio engineer. Just some educated guesses.

On the piece around your siren it should have two corresponding layers with the layers on the siren so say if layer one had so many then the piece around it needs to have a layer with that same amount matching with it it will make it louder

@tipsy.fishy2967

6 жыл бұрын

Do the same with both layers

Wow you made a decot chopper!

What you need to door the siren to sound accurate is make a version of the siren that has a 10/12 port ratio (simply the number of blades on each tone). Most of the ww2 era sirens used this ratio, although if you want something a bit more ominous a 9/12 or 8/12 ratio would be best. Another suggestion for improving the tone would be creating a stator that has multiple layers which have corresponding numbers of holes based on the number of blades for each tone. This siren is the most promising 3d printed one I have seen so far on KZread, keep up the great work and I hope that I could help!

11 to 8 will give you the tritone that most sirens use. What you have here is a minor 6th, which sounds like a major chord in first inversion...which some would say is...pleasant. Those heathens .

@AcoAegis

6 жыл бұрын

You could also go for 8 to 10, which will give you the major third many air raid sirens use

Can you send me the file of the blue siren?

*clap clap clap* well done!

This looks like the beginning of a miniature 3d-printed Federal Signal "Thunderbolt" 1000T siren. Looking forward to the possibility of a single-port stator and an air blower.

1:22 when u step on a lego

Nice !!

Version 1 is more like a real siren but version 2 is more like a race car sound

How did you get the motor to make those noises on startup??

1.Make a portable Air Raid siren 2.throw it in a WW veteran asylum 3.????? 4.Profit!

Sounds like a Decot Red Arrow Siren at low speed

Turn that into a centrifugal pumps style fan and see how powerful it is

* insert demon noises and planes crashing *

new one sounds like an f1

Literally just a fan, doesn't make much of a cutting noice

Where was the dual tone? I thought you added a second tone? On a historical siren both were played at the same time.

most the noise is from the brushless motor, i know this as every day i have to work with them...

Nothing beats a real British WWII one.

@coydog7902

6 жыл бұрын

The British WWII sirens are 10/12 this model is 8/5 port

V2 sound a bit of a Thhunderbolt siren V1 soundslike A Real oneTHUNDERBOLT siren!

The blue one sounds like a sd10

You should make the real version.Because that thing sounds like a goddamn leaf blower

Dual tone sounds like a 4/5 port siren

The stator is supposed to have the same amount of slots like on the chopper

Dual tone 4 life

Nice 8/5 port siren

the end is really good, nino nino nino

Cool 8:5 port siren

this would make good alarm clock

The blue chopper siren sounds like a thunderbolt

your parts printed very good, which printer you are currently using by the way?

What is the ESC knob controller you are using?

@MrExpert

5 жыл бұрын

thats called servo tester

1:44 STUKAAAA!!!!!

can i have the title of backgorund music?

I used to remember the old days, my grandpa use to make this...it's cool.😏

the red one sounds like the stereotypical digital alarm clock...

1:44 sounds like decot

Could the fact that v1 sounds better in most of the comments is because v2, the 8 blades have a smaller opening than they do in v1?

You gave me an idea!

Don't worry about waking up your neighbors. They will even appreciate the heads up, you know, if Godzilla ever approaches....

What is name this moter bro

Need to have a better covering... the two tones need to have their own properly spaced air holes, and they need to be MUCH closer to the actual spinning piece... The tone and loudness is based almost entirely on how close it is to the spinning piece and the size of the gap the piece passes under...

do you got the stl files❓

at least it has a schematics of one xD

cool

Sounds more like the jericho siren of the JU-87.

kool man,mega cool 😎

Play at 1/2 speed it sounds really realistic

I want print the second one to make a tactical stuka bombing

Is that a phantom motor

V2 GOOD

So wait... ...the first one was basically a ASC T-121, T-128, or T-135? And the second was a... ...uhhh... P-50? Idk how many ports a P-50 has. ;-;

V1 sounds like the real raid siren

version 2 sounds like nothing. version 1 at least has a closer pitch? (i'm not a sound person, so may be wrong word here). keep version 1 and add a second tone to it.

This reminds me of that electric toothbrush thing they use at the dentist

I need the version 2 in a rc stuka

For what purpose?