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Synther
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Thunderbolt Rotator Question

Sat Feb 17, 2018 10:27 am

How does the Thunderbolt rotator mechanism maintain an air-tight connection between the siren head and the blower pipe, while rotating? I couldn't imagine it using a gasket, because that would add more friction. I've been thinking about this for awhile, and I haven't been able to figure it out. Sensible answers only please! lol :lol:
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Tyler
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Re: Thunderbolt Rotator Question

Sat Feb 17, 2018 10:29 am

Synther wrote:
Sat Feb 17, 2018 10:27 am
How does the Thunderbolt rotator mechanism maintain an air-tight connection between the siren head and the blower pipe, while rotating? I couldn't imagine it using a gasket, because that would add more friction. I've been thinking about this for awhile, and I haven't been able to figure it out. Sensible answers only please! lol :lol:
There are no air gaps. It's sealed shut basically.

Screen Shot 2018-02-17 at 4.32.25 AM.png
Screen Shot 2018-02-17 at 4.32.25 AM.png (67.18 KiB) Viewed 2667 times
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Synther
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Re: Thunderbolt Rotator Question

Sat Feb 17, 2018 10:32 am

If it were sealed, then how would it rotate with all the friction. I don't know why I cant wrap my head around this. Maybe because its 3:32 AM?
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Tyler
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Re: Thunderbolt Rotator Question

Sat Feb 17, 2018 10:33 am

Synther wrote:
Sat Feb 17, 2018 10:32 am
If it were sealed, then how would it rotate with all the friction. I don't know why I cant wrap my head around this. Maybe because its 3:32 AM?
Look at my edited post above and think a little bit.
My knowledge excels on the Federal Thunderbolt siren and SiraTone EOWS sirens. ¯\_(ツ)_/¯

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1981 SiraTone C/B prototype
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Re: Thunderbolt Rotator Question

Sat Feb 17, 2018 4:48 pm

Basically it's because of tight fitment between parts and a bolt down clamp on the blower pipe that not only holds the rotator gear in place but also helps keep a seal between parts. It should also help too that there are gaskets underneath the chopper and between the flange and the mounting plate, which do aid in a seal.
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