Thin Neck Thanksgiving- Luke Cave Found Parts Revealed!

It is a little off center. The assumption is that they ran an M4 screw through the vent hole, yes?
 
I guess that's the idea... The original threaded part that goes into the hole looks to be M4. I cut it to use it as a screw, but is too big to fit the hole on the retainers that I have. So if M4 requires the retainer to be modified then it's more open to interpretation if they did that or something else.
1738048701655.png
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To my knowledge nobody has seen the connection point? Isn't it just an assumption what it is?

These two are quite similar on the back side, so they can attach exacly the same way with the matrix (sorry for not mention this, I was focused on what's different).

View attachment 1899455
There’s discussion and photo evidence regarding the 152 vs the 215 by BRRogers in the first post of this thread :)
 
Ah, damn, of course I've read that post in details back then, but it's been a while and I've forgotten that the 215 was mentioned! I didn't know what the mote about 215 and 162 really meant as I had not seen either of the 3. Then i kind of was much more interested in the calculator board and only recently decided to make the tool as I ran out of other things to work on. Also revisiting the original post made me realize he used the small vent hole and not the big threaded one. Need to look a little closer what were the reasons for that, but I've already run into the problem that if I want to use the central hole with the original thread I need to enlarge the one on the retainer, and while I think it can be done, looks like the sides will get so thin that they may break.
 
Bryan used a 4-40 screw (and tapped the smaller hole), not an M4. an M4 screw has a much larger diameter than a 4-40.
 
Correct, the smaller hole is already the adequate size for the 4-40 threading to get tapped in.
Considering this part was likely made for pickups at ILM in California- the threading is sensibly imperial. Roy has a pan head screw on his replica but I have a flat head on my assembly (it has a little more clearance)

The location is verified correct- just slightly left of center and low (looking from the back) having compared the shots from Battle for Endor.
The most important aspect of recreating this is cutting off the lip and threads of the atomizer which puts everything in the right position and reveals the necessary brass highlights from underneath.
Not all matrices are made the same however, so in some cases height may be an issue on the knurled parts.
On past assemblies I have adjusted some of the vintage matrices’ threaded sections to help- but: The correct found matrix used matches all aspects.

Important note on 152s
There is an old (er) version and a new(er) version with the round head.
There are 3 things which can be different- the stamping may either say 152, or No152.
The band around the sprayer tubes may be crimped, or pinched tightly without the crimp.
The sprayer bulb attachment can have a squared off lip, or rounded lip.

I can’t determine for sure from the photos which of these features actually exist on the prop itself. But…
IMG_2214.png

My best guess is that it is ‘probably’ the older* rounded bulb attachment… which would be sensible if it were from the same age/place as the matrix.
 
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Correct, the smaller hole is already the adequate size for the 4-40 threading to get tapped in.
Considering this part was likely made for pickups at ILM in California- the threading is sensibly imperial. Roy has a pan head screw on his replica but I have a flat head on my assembly (it has a little more clearance)

The location is verified correct- just slightly left of center and low (looking from the back) having compared the shots from Battle for Endor.
The most important aspect of recreating this is cutting off the lip and threads of the atomizer which puts everything in the right position and reveals the necessary brass highlights from underneath.
Not all matrices are made the same however, so in some cases height may be an issue on the knurled parts.
On past assemblies I have adjusted some of the vintage matrices’ threaded sections to help- but: The correct found matrix used matches all aspects.

Important note on 152s
There is an old (er) version and a new(er) version with the round head.
There are 3 things which can be different- the stamping may either say 152, or No152.
The band around the sprayer tubes may be crimped, or pinched tightly without the crimp.
The sprayer bulb attachment can have a squared off lip, or rounded lip.

I can’t determine for sure from the photos which of these features actually exist on the prop itself. But…
View attachment 1899677
My best guess is that it is ‘probably’ the older* rounded bulb attachment… which would be sensible if it were from the same age/place as the matrix.
Thanks for the great post!
 
So I’m planning on having a prop party this summer.. this is where I think my dream comes from

Number 1, I rarely dream. I can’t tell you the last time I’ve had one besides last night

So I have this dream Bryan is coming to my shed for the prop party.. he’s trying to get on the plane and ends up getting arrested for trying to bring his MOM hero onto the plane..

The dream was very vivid. Once he was locked up someone here started a thread here with a go fund me to get the money to get him out of jail

I mean the dream kept going and going..

Glad it was only a dream, and Bryan rogers isn’t it real trouble
 
Oops, sorry for confusing the threading! Yeah, 4-40. I have my tool hanging on the wall, I've had three correct atomizers here and all of them were like.. crimped between the arms, never been able to release the arms to get the tip out or anything lol
 
Oops, sorry for confusing the threading! Yeah, 4-40. I have my tool hanging on the wall, I've had three correct atomizers here and all of them were like.. crimped between the arms, never been able to release the arms to get the tip out or anything lol
Tom you should be able to use some penetrating oil and a little heat if the tip is solid.
Btw on the old boxed atomizers- they recommend / illustrate bending the arms open by twisting a penny just behind the tip
 
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