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Re: Yellow & Black Striped Thunderbolt
Posted: Mon Nov 14, 2016 12:16 am
by coastalsyrolover
justie1220 wrote:This is slightly off topic but in lot of old Federal Signal Advertisements most from the early fifties, the rotator box and the blower covers all have that curved design but every thunderbolt recorded even the earliest of them show no sign of having this design. Whats up with that? (Sorry if this has been asked before. I get the nagging feeling that it has been explained but I am not 100% sure)
IIRC the earliest thunderbolts were designed that way... But I'm not entirely sure...
Re: Yellow & Black Striped Thunderbolt
Posted: Mon Nov 14, 2016 12:20 am
by connerdstines
That one was a design prototype. The final production models look like they do now, with the exception of early ones having the "jailbar" projector.
Re: Yellow & Black Striped Thunderbolt
Posted: Mon Nov 14, 2016 1:17 am
by QuantumCurse
This is a little off topic but that chopper cap on the prototype thunderbolt seems to be bigger. And why is the flange so close to the blower box? That would mean there's about 10 feet of extra pipe between it and the rotator box if that picture is to scale. That design seems to be ineffective in my opinion and a little cumbersome to put into action. Just being a little nitpicky.
Re: Yellow & Black Striped Thunderbolt
Posted: Mon Nov 14, 2016 2:40 am
by connerdstines
QuantumCurse wrote:This is a little off topic but that chopper cap on the prototype thunderbolt seems to be bigger. And why is the flange so close to the blower box? That would mean there's about 10 feet of extra pipe between it and the rotator box if that picture is to scale. That design seems to be ineffective in my opinion and a little cumbersome to put into action. Just being a little nitpicky.
The prototype looks like it was specifically designed around roof-mounting. There is an actual picture of this prototype mounted on a roof somewhere, but i can't remember where to look for it. Again, it was a prototype and VERY different from the final design.
Re: Yellow & Black Striped Thunderbolt
Posted: Mon Nov 14, 2016 2:59 am
by QuantumCurse
connerdstines wrote:QuantumCurse wrote:This is a little off topic but that chopper cap on the prototype thunderbolt seems to be bigger. And why is the flange so close to the blower box? That would mean there's about 10 feet of extra pipe between it and the rotator box if that picture is to scale. That design seems to be ineffective in my opinion and a little cumbersome to put into action. Just being a little nitpicky.
The prototype looks like it was specifically designed around roof-mounting. There is an actual picture of this prototype mounted on a roof somewhere, but i can't remember where to look for it. Again, it was a prototype and VERY different from the final design.
I saw the forum thread about a picture that was the prototype being sold on eBay. Did anyone figure out what happened to it?
Re: Yellow & Black Striped Thunderbolt
Posted: Mon Nov 14, 2016 9:48 pm
by Tyler
QuantumCurse wrote:connerdstines wrote:QuantumCurse wrote:This is a little off topic but that chopper cap on the prototype thunderbolt seems to be bigger. And why is the flange so close to the blower box? That would mean there's about 10 feet of extra pipe between it and the rotator box if that picture is to scale. That design seems to be ineffective in my opinion and a little cumbersome to put into action. Just being a little nitpicky.
The prototype looks like it was specifically designed around roof-mounting. There is an actual picture of this prototype mounted on a roof somewhere, but i can't remember where to look for it. Again, it was a prototype and VERY different from the final design.
I saw the forum thread about a picture that was the prototype being sold on eBay. Did anyone figure out what happened to it?
I suspect it was sold of course, but sadly the picture is no longer visible as for the listing on eBay has disappeared. Someone probably saved that image, and I think it's on my iPad Mini, but it might be gone.
Re: Yellow & Black Striped Thunderbolt
Posted: Mon Nov 14, 2016 10:30 pm
by chevycaprice
that is very interesting did not know that there was thunderbolt sirens with strips on them until now. :TBolt:
Re: Yellow & Black Striped Thunderbolt
Posted: Sat Nov 19, 2016 4:25 am
by CDV777-1
Here's the Thunderbolt prototype pic..
Re: Yellow & Black Striped Thunderbolt
Posted: Sat Nov 19, 2016 5:04 am
by connerdstines
So weird looking. Looks like one of those cheap sheet metal decor items you get at Hobby Lobby.
Re: Yellow & Black Striped Thunderbolt
Posted: Sat Nov 19, 2016 5:05 am
by Snowcube
CDV777-1 wrote:Here's the Thunderbolt prototype pic..
So weird... wonder what it sounded like?