upgraded AIR RAID SIREN - 3D Printed
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- Опубліковано 2 жов 2024
- I made air Raid Siren • How to Make Mini Air R... (which I called version 1) earlier.
but it quite didn't sound like the real air raid siren. The real ones have Dual tones unlike mine, which had single tone.
So I want back to fusion and designed a new version which I have shown in this version.
This Siren sound so much better, Real and louder than the version 1.
Enjoy.
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Air siren? Sounds more like a leaf blower.
He called it an "air-RAID siren," but it really needs to be MUCH bigger and louder for air raids.
Probably work better for that as well
Sounds like an ACA hurricane
It sounds like my pc
It need to be more biggee
Looks more like two F1 cars in a race for 1st place
Yea lol
literally lolling
red siren sounds better?
no
Sound more like a real sirene imo, so I like the red one better too
The blue one sounds like an ACA hurricane
I agree
the blue one sounds like a decot.
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
Mambawan hola
Congratulations....you made a mechanical whistle fan.
V1 sounds more accurate to a real air raid siren
IKR
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.
The blue one sounds like a sd10
Sounds like a Decot Red Arrow Siren at low speed
The blue chopper siren sounds like a thunderbolt
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.
How to make a leaf blower noice maker
Must be a stuka
It wakes up british or polish neighbors the blue one is better
the red one sounds like the stereotypical digital alarm clock...
I would suggest that you make it have a seperate 5-port row in the stator. It will make it much louder.
in the Next version :)
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.
Make a 9/12 port siren
why is my tornado siren enthusiastic friends here?
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?
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
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.
MrExpert I kinda agree with you there, but at least I'll try out this for my personal alarm system
Could you explain the electronics layout a little more and where you got the speed control dial switch? Sorry for the trouble
The rotor and stator are NOT made properly to allow more airflow and correct number of rotor blades and stator ports.
You gave me an idea!
Where was the dual tone? I thought you added a second tone? On a historical siren both were played at the same time.
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.
new one sounds like an f1
This sounds like my computer
V1 sounds like a 2001 and v2 sounds like a high pitched tbolt
1% of my phone battery that I'll never get back watching this.
Uhh yeah you will, your phone came with a charger?
*r/Whoosh*
Alec Hubbard r/iamverysmart as welm
1:44 sounds like decot
You should try making one with a 5/6 port configuration. Also, be sure to make the stator ports match up with the ports of the rotor, as that will make it much louder.
Fantastic, bro! 😀
MC's Creations hi I nerd
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Great project. Would you share the STL files for this project?
V2 sound a bit of a Thhunderbolt siren V1 soundslike A Real oneTHUNDERBOLT siren!
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. ;-;
Red is better
V1 is better
2 is better
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.
1.Make a portable Air Raid siren
2.throw it in a WW veteran asylum
3.?????
4.Profit!
Wow 🐶
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.
Version 1sounds like a turbo four cyclinder..... version 2 sounds like a twin turbo V8
Try to make a drill 3D printed and working lol I’m just full of dumb ideas but dangerous stuff
You should make the real version.Because that thing sounds like a goddamn leaf blower
He turned the knobs all the wrong ways at all the wrong times, making it sound less realistic than it otherwise would have.
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!
Why are you all saying the red sounds better if he would leave the blue down low rpms it would sound much better than the red
PUT THEM TOGETHER TO MAKE THE ULTIMATE WEAPON OF MASS DESTRUCTION AND MY PERSONAL APPROVAL AND SATISFACTION
If we'd used these shite things during the blitz, nobody would have lived through it!
Nothing beats a real British WWII one.
The British WWII sirens are 10/12 this model is 8/5 port
why not make it bigger ?? it would definitely sound better
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
Literally just a fan, doesn't make much of a cutting noice
most the noise is from the brushless motor, i know this as every day i have to work with them...
I want print the second one to make a tactical stuka bombing
Scale them up, sadly plastic would prob break.
MK1 is better bro, but nice job too! It sounds like a race car XDXD
Sounds terrible. Find something you’re good at.
Turn that into a centrifugal pumps style fan and see how powerful it is
Sounds more like the jericho siren of the JU-87.
Would you share your file on yeggi so i can print one for my stuka plane?
1:44 STUKAAAA!!!!!
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.
Version 1 is more like a real siren but version 2 is more like a race car sound
The stator is supposed to have the same amount of slots like on the chopper
congrats you built a fan that doesn't blow air
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
Do the same with both layers
It doesn't work that's what brushless motors sound like
can i have the title of backgorund music?
An turbofan brushel engine it's more efficient 😁
keep the siren just in case of North Korea...
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.
Its sounds more like an airplane's engine
Why do i still hear the siren after pausing the video?
V 2 sounds like a faggio from gta San andreas
Version 2 is 8/12 port and version 1 was 8 port
the v2 sound like a kiddie version of an air raid siren. no offense.
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.
Dual tone siren using a single tone stator.... weird.
How did you get the motor to make those noises on startup??
You get a big fat F. Fail. That’s no air raid siren.
Dual tone sounds like a Thunderbolt!
Can u make it much bigger and louder?
Dual tone sounds like a 4/5 port siren
Blue one sounds like a plane or something, not a siren lol
That is a good way to get hurt really bad.
Wow what a beautiful idea
Set the controller to 'auto' using that button. ;)
you can talk in your videos you know
I would not hold that anywhere close to my body
It sounds like a mini hurricane siren
* insert demon noises and planes crashing *
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.
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
V1 sounds like the real raid siren
Sounds like a Stuka Dive bomber
V2 sounds like a jet engine like if u agree
The blue sounds like a formula 1 xd
One I know air raid sirens. it's not the high pitch like some of the people comment about. It is the combination of both that make it work efficiently. However Air raid sirens don't work at High running speeds that they can go. They work in a range that oscillate up and down in speeds to get the sound. Also the spacing between the blades and the stationary is too far apart making it sound of and possibly the size of the stationary fins might be too small. Adjust the sizing of the stationary fins width wise and try getting them as close as possible to the blades without hitting.
This video shows how one was made out of wood but it sounds dead on to an air raid siren. ua-cam.com/video/XAfvOjdZpkg/v-deo.html
Version 1 Sounds better