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Thread: Sireno Model 40010 "The answer to the Q Siren"

  1. #41
    Forum Member EngineCO38's Avatar
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    Quote Originally Posted by rfdlou View Post
    You, my friend are a diabolical genius. Whatís next? Are you going to say you found a box of nozzles, smooth bore & automatics in the attic & you were wondering what works best.
    Damn, my secrets out now! I'm just LA under a different user name

    EVERYBODY ARGUE! DANCE MY PUPPETS DANCE!!!!


    ....Okay moving on, sorry I haven't really said much more on this. Work has me running ragged (Summers here and folks need their beer!) So as soon as I get 20 minutes to test this thing again, I will. Thanks again for every ones help.
    Opinions expressed by myself here are just that, mine. And not that of ANY organization or service I am affiliated with.


  2. #42
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  3. #43
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    I don't know how much I trust "studies" on the subject, Federal Signal claims the eQ2B is the same sound as the mechanical version. I'd bet money that I, and probably every other fireman, could tell the difference. So I'd have to say that the sound produced has some sort of difference

    I'd have to hypothesize that the superiority of mechanical sirens (which I believe from personal experience) has to do with the amount of air moved and how far. Air horns also seem to work better than electronic sirens and even mechanical sirens, they move the most air the furthest out of the 3.
    Last edited by nameless; 06-18-2011 at 11:01 PM.

  4. #44
    Forum Member FWDbuff's Avatar
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    still waiting...............
    "Loyalty Above all Else. Except Honor."

  5. #45
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    Yawn............
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  6. #46
    Forum Member DeputyMarshal's Avatar
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    As noted previously, it isn't worth bothering. I'd have to teach a whole physics class just to get some of the knuckle draggers up to the point of understanding why they're wrong.

    Mechanical sirens are not inherently superior to electronic sirens. This is a matter of physics. You can cling to your urban legends all you want, but you'll still be wrong.
    "Nemo Plus Voluptatis Quam Nos Habant"

    The Code is more what you'd call "guidelines" than actual rules.

  7. #47
    Forum Member IronsMan53's Avatar
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    Quote Originally Posted by DeputyMarshal View Post
    As noted previously, it isn't worth bothering. I'd have to teach a whole physics class just to get some of the knuckle draggers up to the point of understanding why they're wrong.

    Mechanical sirens are not inherently superior to electronic sirens. This is a matter of physics. You can cling to your urban legends all you want, but you'll still be wrong.
    We're not asking you for a class. All we're waiting for is a link to any study that proves your point. I am sure that there have been studies conducted between effectiveness and sound waves of both mechanical sirens and electronic sirens.

    BTW, I found some nice reference material several years ago while I was as the NFA that had a study on the exact subject manner. (my Chief at the time was advocating removing the Q's from our rigs)

    It contained data for electronic sirens with one 100w speaker, two 100w speakers, and one 200w speaker. It also had one electromechanical siren (Q2B). It had dB ratings at several distances for locations at all points around the vehicle. It showed that an electronic siren with one 200w speaker had the best dB rating for distance for an electronic siren but it still did not perform as well as the Q2B.

    Suprisingly the study also showed that there were some "weak" areas as far as dB strength off of the corners of the vehicle with the twin 100w speakers. I believe it had to do with the sound waves from the two speakers meeting and causing variations in their strength at various angles.
    I can't believe they actually pay me to do this!!!

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  8. #48
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    Quote Originally Posted by DeputyMarshal View Post
    You can cling to your urban legends all you want, but you'll still be wrong.
    Prove it. I triple dog dare you. And not with any studies or information provided by any siren manufacturer.
    "Loyalty Above all Else. Except Honor."

  9. #49
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    Quote Originally Posted by DeputyMarshal View Post
    As noted previously, it isn't worth bothering.
    Translation: I don't have any kind of written proof and am just talking out of my bunghole.
    "Loyalty Above all Else. Except Honor."

  10. #50
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    Quote Originally Posted by DeputyMarshal View Post
    Mechanical sirens are not inherently superior to electronic sirens. This is a matter of physics. You can cling to your urban legends all you want, but you'll still be wrong.
    Months later, thanks be to Google, the hilarity which ensues from your inane ignorance is still bringing smiley holiday joy to the knuckle-dragging masses.

  11. #51
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    Whatever happened to tradition in the FD? Our fire department is full of traditions, including the mechanical siren on every truck.
    Chenzo likes this.

  12. #52
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    Quote Originally Posted by mcwops View Post
    Whatever happened to tradition in the FD? Our fire department is full of traditions, including the mechanical siren on every truck.

    Ugh, I'm all for tradition, but advocating a certain siren based on tradition seems silly. At least have a practical reason, not just "well we always have". It seems the idea of "tradition" has really been skewed in the fire service.

  13. #53
    Forum Member rschultzjr's Avatar
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    I have apparatus with both electronic and Q's on them. I can tell you if your manufacturer installs the Q Sirens they will make sure that the apparatus can properly operate the Q siren and all other warning/chassis equipment needed. Also from using apparatus with Q's and just electronic sirens drivers clearly hear and move more frequently when we utilize the Q than the electronic siren.

    Federal Q's and Airhorns are in my opinion the best and only warning devices fire trucks need. Well ok and some warning lights.

  14. #54
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    I'm not on here as much as I should be but I will tell you this, I don't see people putting their hands over thier ears when an E Q2B comes around the corner. Mechanical, it makes a difference.
    Last edited by live_wire09; 12-04-2011 at 07:31 PM.

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    Default Siren - Whinning

    Quote Originally Posted by Rescue101 View Post
    One other detail.IF that is a tilt cab rig make sure you leave enough space to tilt it.Otherwise you WILL be an unhappy camper. T.c.
    That old E-One is not a tilt cab
    It also looks a little out of warranty too.
    Other hearing loss sources for all you street lawyers out there are 2 stroke diesel engine pumping at high rpms. Ahhhhhh, the good old days when you could smell work from the Mack's open jumpseat area when you pull on the block

  16. #56
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    Pardon me while I dig this old thread up, dust it off and give it some fresh life. After a few years (I've been busy okay...) I've finally found the time to dust the old Sireno off and give another crack on getting it running correctly and mounted onto out Ladder. Its sat comfortably at the foot of my locker at the station for three years now (While I was off doing the whole Marine Corps thing) and its ready to get hooked up and tested! I'll have pictures and video's ready for your viewing pleasure this week.
    Chenzo likes this.
    Opinions expressed by myself here are just that, mine. And not that of ANY organization or service I am affiliated with.

  17. #57
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    ........still waiting for DeputyMarshal to deliver those documents............
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  18. #58
    Forum Member EngineCO38's Avatar
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    LOL! Hey maybe we'll get lucky and by now he's managed to find something to back his claims!
    Opinions expressed by myself here are just that, mine. And not that of ANY organization or service I am affiliated with.

  19. #59
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    There is another reason that Qs and their brethren in earsplitting awesomeness are superior to electronics...

    ...The other day my 8 year old grand niece was with me as we were waiting at a stop light at a major intersection...a Chesterfield (Va) engine company and truck company came through...against the light..with the Q-2s wound out of the frame, and Griover Stuttertones braying that stacatto blast that's often heard at intersections.

    My grand niece...wide eyed and grinning from ear to ear...commented sagely as only 8 year olds can do...and I quote...

    WOW!!! AWESOME!!!!!!!!!!

    The medic from the same statiion was right behind 'em, with only an electronic siren.

    Didn't even get an honorable mention from her.

    So not only are mechanical sirens far more effective...they are also far, far cooler. (But then again we already knew that

    Waiting deputy...

  20. #60
    Forum Member EngineCO38's Avatar
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    The great green weenie strikes again...here I say I'm gonna do more work on that Siren. And the Marines kidnap me...go figure right? Anyhoot, I'll be getting to that siren soon. Now that my military obligations are met for the month, I should have plenty of time to play with it.
    Opinions expressed by myself here are just that, mine. And not that of ANY organization or service I am affiliated with.

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