The Siren Board

Nelso90 wrote:...but considering how loud a 2001 is without an exponential profile, you'll be fine...

I never knew that a 2001 was supercharged.

ginbot86 wrote: I never knew that a 2001 was supercharged.

Thunderbolts are supercharged, not 2001's.

soccerdude7330 wrote:Thunderbolts are supercharged, not 2001's.

Thanks for the clarification.

I know the new 2001's have an exponential profile, I live next to one. The old ones don't and they're still pretty loud if you ask me. I think the blower concept w/o an exponential horn, while not the best idea, is way better than no horn at all.

Gr?ezi! Welcome back! Looks like the start of a great project.

Will that little siren motor be strong enough to chop air at high pressure? You may need a larger motor.

I seem to remember it was either JasonC or Adam Pollak that put a model L on a thunderbolt blower and recorded it...
I think it'll work.

Mike, very good memory! That must have been 5 or 6 years ago. I took my Model L and put it on my T-Bolt blower. The air load was way too strong and put too much resistance on the motor. There was a noticeable drop in pitch, without that much increase in volume output. I have the video somewhere and if I can by chance find it, I'll upload it to YouTube and post the link.

That recording made me like the sound of roots blowers and snap action breakers...

Switching duty Cutler Hammer breakers =)

Here's the video:
http://www.youtube.com/watch?v=9qLgoCrsqpA

The volume when it recorded over was not that high, so you'll need to turn your volume up. I encoded this video Feb 2003, so the recording itself is older than that.

Of course it will slow down the rotor a bit, but keep in mind, that the air has got less contact surface, since my creation uses only one port of about 1cm?,
while every port of the model D was used in the video!