#### fireball3

**Member**

For AeroDynic; What is the difference between the Model 24 series, and the Model 25??

Thanks

Cyril

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- Thread starter fireball3
- Start date

For AeroDynic; What is the difference between the Model 24 series, and the Model 25??

Thanks

Cyril

-AeroDynic Model 24 4 sections per side

-AeroDynic Model 24M 3 and half sections per side

-AeroDynic Model 24S 3 sections per side

Model 25 are all-light with NO speaker sections in the middle

2 sides of 5 sections each. Maybe this is where the "25" comes from: 2x5(model 25)=all light as well as 2x4(model 24)= speaker in the middle

Model 22 is 2 sides of 2 sections, so I'm thinking 2x2=22....

I've never seen official statements about this but that's what I understand.

Toon

-Thank you, thank you

*clap clap clap*hehehe

Does anyone know the real reason, though? Is it really this? hehe

So the extra-long ones for fire trucks would be something like a model 27? (2 sides x 7 sections)

Seriously, though, why 22, 24, 25?

And while we're here, where does the Twinsonic's "12" comes from?

toon80 said:And while we're here, where does the Twinsonic's "12" comes from?

Visibar=model 11

Twinsonic=model 12

aerodynic=model 24, 25

it is the basic model of each style of bars.

Nope, the 72 inch wide Aerodynics were intended for mounting on fire apparatus and were called the "Aerohawk". Model designations were AH1 for a standard bar, AH2 for a bar with Meteors in the center panels.nerdly_dood said:So the extra-long ones for fire trucks would be something like a model 27? (2 sides x 7 sections)

As for Federal's model designations, they don't always make sense. The first rotating beacon was the model 17 in 1948, followed by the 173, 174, 175 and 176. In 1958 we got the model 15, in 1963 the model 14 and in 1964 the 184, the somewhere around 1982 the model 16 appeared. The 17 series made sense and the 14 series had three and four bulb versions as well, designated 143 and 144, but the basic model numbers just sort of jumped around and did not always follow a logical order based on development and release dates.