What kind of projectile ?

[dfxdude]

Found this at a local park a couple of weeks ago. Any ideas what it is? Some kind of ordnance? Appears to be copper or brass or an alloy of some kind. Inside is hollow and smooth.
2 1/2" long and 1/2" in diameter.

Butch/Minnesota

 

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[JakePhelps]

That may be it!

 

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[jreamy4]

Sure looks like it!

 

[goldguru]

sorry but all solenoid plungers are made from magnetic metals.thats why they plunge.steel usually and of real good quality,which helps control deformation of the cycling...my guess would be it was used to align something perhaps magnetic..knurls on the end are to help hold it into some type of fixture. IE the end of a hickory pole?
just a guess wanted to clear up the solenoid posts..Gg

 

[Nana40]

I know I don't know what the heck I'm talking about most of the time......but having said that.....the end with the spiral lines reminds me somehow of the old pencil sharpeners.

 

[StickShift]

Hi dfxdude:
To me it looks like a hydraulic needle valve, possibly it had a coil spring inside the hole at the rear
and works in a valve seat that the tapered end fits into, to either open or close off the fluid flow
as needed, like automatic transmissions. There are all sorts of hydraulics on all kinds of earth moving
and heavy equiptment in use today, including tranmissions that work by hydraulics. I think it is a little large for hydraulics in automobile transmissions though. Whatever it's use I think it is used as a valve
to control fluid flow in Hydraulics, I could very well be wrong, but that's just my two cents.
Good luck
HH
SS

 

[onamission]

Think what you may......however I didn't make up the picture I posted. As a kid in Michigan I helped my uncle on wrench on farm tractors and old cars....and I do remember a mechanical starter in old tractors it was very similar to the one posted. There was a little knob that you pulled the solenoid pushed the electric starter gear forward till it contacted the flywheel. I was just trying to help and will back tho.
Tom

 

[StickShift]

Think what you may......however I didn't make up the picture I posted. As a kid in Michigan I helped my uncle on wrench on farm tractors and old cars....and I do remember a mechanical starter in old tractors it was very similar to the one posted. There was a little knob that you pulled the solenoid pushed the electric starter gear forward till it contacted the flywheel. I was just trying to help and will back tho.
Tom

No one is saying you are wrong, you could be right, but your pic. doesn't have spiral gears on the rear of the
pointed shaped plunger.
Also the thing could be a control valve for air controlled machinery as well as hydraulics, such as are used
in industrail machinery to manufactor most anything.
It could also be a part used in hydraulics that controls the fluid or air as used in lifting equiptment, one example
Hydraulic jacks, or air driven jacks, or hydraulics that lift buckets on front end loaders, you get the drift,
there are many possibilities. Unless someone has repaired or replaced such a component that the object is used for, we can only guess. Your guess seems as good as any unless someone can prove otherwise.
Have a good weekend and as always,
HH
SS

 

[sniper19612003]

Looks like a welding tip for a spot welder. The rigged end is for seating the tip in the welding arm and
the reason for it being hollow is that some spot welders used water to keep the tips cool.
I used tips very much like that one when I worked for a lighting company in New Jersey.

 

[Max]

Plum bob,
Just a thought.