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Nelso90
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Wed Jun 10, 2009 2:15 am

Hmm, weird. I thought FS's motors were 6.5, and they look absolutely tiny in comparison. And considering a 40HP motor turns the choppers normally, it had me wondering.

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Gil
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Wed Jun 10, 2009 2:26 am

So why are they calling it a 40V2T-B if the motors are only 8H.P. a piece? :?

Definitely cool, none the less. 8)

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Jim Z
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Wed Jun 10, 2009 2:48 am

Hmm, weird. I thought FS's motors were 6.5, and they look absolutely tiny in comparison. And considering a 40HP motor turns the choppers normally, it had me wondering.
well, consider that induction motors are speed limited, and series motors aren't (only limited by power.)

also, consider that on the 2001 and the Eclipse, you're looking at the motor in relation to the housing, not the chopper. The 2001's chopper is (I believe) the same as the Model 3. The motor looks tiny 'cos it's mounted on a big stator+horn throat assembly.

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ginbot86
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Wed Jun 10, 2009 2:51 am

WOO HOO! Awesome, I can't wait until I hear that baby RIP!
--Jason G.
Proud owner of 4 small sirens

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Charlie Davidson
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Wed Jun 10, 2009 3:05 am

Oh man Ed, that sucker is insanely sweet! Looks great, can't wait to her hear roar!

Dickson would do good with a few of those :D
Charlie Davidson

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Robert Gift
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Wed Jun 10, 2009 3:35 am

Was hoping the motors would be coupled together.
Otherwise, there may be some interesting intervals as they speed up and descend in speed differently.

What are the stator port ratios?

Can'they make use of the rotor intakes to broadcast sound?
I want lower frequency - fewer ports with onexponential projector per port.

Don't like learning "wind up is incredibly fast".
I prefer a windup similar to wind down rate.

Not impressed.
Last edited by Robert Gift on Wed Jun 10, 2009 3:52 am, edited 1 time in total.

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Charlie Davidson
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Wed Jun 10, 2009 3:41 am

Robert Gift wrote: What are the stator port ratios?
15 ports on the top, 10 ports on the bottom. Pretty much like a 10/15 port Decot siren.
Charlie Davidson

Storm Chasing? Storm Chasing.
Proud owner of a fully operational Thunderbolt 1000T warning siren. Test your speakers.

The YouTube Channel is alive again.

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Hacksaw
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Wed Jun 10, 2009 6:29 am

I've wondered about using sirens for avalanche control. :D

Robert Gift wrote:
there may be some interesting intervals as they speed up and descend in speed differently.
I wonder about that, too. 8)

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ver tum
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Re: Sentry's new 40V2T-B

Wed Jun 10, 2009 8:30 am

Wow! If this thing is louder than the T-135-AC/DC, it would be the loudest electro-mechanical siren ever produced. I don't think it could beat the Creisler though.

Does it sound a lot like the original 40V2T?
Josh
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SouthDakotaBoy2009
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Wed Jun 10, 2009 1:35 pm

I've wondered about using sirens for avalanche control.
Oh yeah, warn of an starting avalanche with a siren that prob started it in the first place, that would be hilarious to see
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