Siren question

I am not a siren collector but just received this one from a good friend (who got it from someone else...). I have two questions regarding the bullet cone that attaches to the back:

1. How does it attach to the back? Once I remove the mounting pedestal it fits perfectly (to the back of the shroud) but there are no attachment holes/screws.

2. Where does the power cord go with no hole in the cone?

I'm wondering if this was some aftermarket option that had to be machined to fit the siren.

Thanks.

AB

 

[TDC]

Based on my recent delving into pneumatic sirens, just the fact that the data plate is visible on the motor/housing, and that the pedestal is affixed to that same exterior surface, shows that is the weather-facing outside of that siren.

The large plate on the rear of the motor seals up what is open on my Model 66 motor, which has a chromed back cover to keep it clean.

The cover looks cool, and homemade, but no way to mount it. Maybe it is an authentic blank for a similar model?

 

[stansdds]

I am not an expert on sirens by any stretch of the imagination, but that brass cover does not look like a factory item. My guess is that maybe someone was partially finished with creating a rear cover, perhaps they came to the conclusion that there is no easy way to attach it and quit.

 

[AuroraBorealis]

I am not an expert on sirens by any stretch of the imagination, but that brass cover does not look like a factory item. My guess is that maybe someone was partially finished with creating a rear cover, perhaps they came to the conclusion that there is no easy way to attach it and quit.

I would concur. Drilling a hole for the power cord and cutting a slot for the pedestal stem to fit through would be relatively easy, but attaching the fairing to the back of the shroud is the challenge. I guess the desire was to protect the motor housing and make it aesthetically more pleasing, but that got ahead of the engineering to make it feasible!

 

[NPS Ranger]

Interesting, years ago I bought a similar NOS Mars siren from them when they were closing their Naples FL warehouse. At that time they were advertising them as surplus in a classified ad in the back of Firehouse magazine. It was brand new, factory red painted and appeared to have been made for a military contract, although it was 12V. No data plate. The power cable was attached to a stud on the bottom of the motor housing, and it grounded through the mounting. Essentially equivalent to a Model 28, weighed a ton and very heavy duty. I agree with the above postings, probably a homebrew rear cover with no easy way to mount it. The siren is probably a gem though!

 

[Maxim2Eng]

Just use a few dabs of Liquid Nails and rattle can spray paint.

The housing shape does appear to resemble Mars equipment.

 

[AuroraBorealis]

Interesting, years ago I bought a similar NOS Mars siren from them when they were closing their Naples FL warehouse. At that time they were advertising them as surplus in a classified ad in the back of Firehouse magazine. It was brand new, factory red painted and appeared to have been made for a military contract, although it was 12V. No data plate. The power cable was attached to a stud on the bottom of the motor housing, and it grounded through the mounting. Essentially equivalent to a Model 28, weighed a ton and very heavy duty. I agree with the above postings, probably a homebrew rear cover with no easy way to mount it. The siren is probably a gem though!

It is in great shape except for....the motor. It tried hard to turn when I put power on it, and when I cracked open the case, I almost choked on all the dirt and dust that covered everything. I'm guessing it hasn't been run in decades. Skulldigger has agreed to take a whack at it although it even though he thinks it may need major surgery. We'll see!

 

[AuroraBorealis]

Just use a few dabs of Liquid Nails and rattle can spray paint.

The housing shape does appear to resemble Mars equipment.

If I can get it running and figure out how to mount it, I may get it chromed. Would probably look pretty cool. Thanks!

 

[Maxim2Eng]

If anyone can resurrect the motor, it’s @Skulldigger!