Discussion Forum: Thread 367764

 Author: SylvainLS View Messages Posted By SylvainLS
 Posted: Mar 2, 2025 16:18
 Subject: Pneumatic hoses 4 mm variants?
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 Topic: Catalog Identification
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SylvainLS (52)

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Hi all,

For “Studio reasons,” I’ve been looking at the pneumatic hoses 4 mm.

A lot of them have variants, for instance this one:
 
Part No: 5102c13  Name: Hose, Pneumatic 4mm D.  13L / 10.4cm
* 
5102c13 Hose, Pneumatic 4mm D. 13L / 10.4cm
Parts: Hose, Pneumatic 4mm D.
has a “V2 Precut” variant:
 
Part No: 37467  Name: Hose, Pneumatic 4mm D. V2 Precut 13L / 10.4cm
* 
37467 Hose, Pneumatic 4mm D. V2 Precut 13L / 10.4cm
Parts: Hose, Pneumatic 4mm D.

And this one:
 
Part No: 5102c12  Name: Hose, Pneumatic 4mm D.  12L / 9.6cm
* 
5102c12 Hose, Pneumatic 4mm D. 12L / 9.6cm
Parts: Hose, Pneumatic 4mm D.
has a(n older) variant:
 
Part No: x467c12  Name: Hose, Classic 4mm D. 12L / 9.6cm (flexible)
* 
x467c12 Hose, Classic 4mm D. 12L / 9.6cm (flexible)
Parts: Hose

The last one says “flexible” (and I have one from my youth ), so I get it’s
more flexible than 7102… but the first one is rather cryptic, “V2 Precut,” and
I didn’t find any note or comparison picture.

Also, all the inventories I looked at (granted, I’m far from having looked at
all of them), use the “cut” parts.  I mean, if “precut” means the new sets came
with parts precut, then the older sets came with a longer, uncut, parts.  But
the inventories don’t show that….

So, how can do you tell the difference?
 Author: randyf View Messages Posted By randyf
 Posted: Mar 2, 2025 16:28
 Subject: Re: Pneumatic hoses 4 mm variants?
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 Topic: Catalog Identification
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randyf (448)

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In Catalog Identification, SylvainLS writes:
  Hi all,

For “Studio reasons,” I’ve been looking at the pneumatic hoses 4 mm.

A lot of them have variants, for instance this one:
 
Part No: 5102c13  Name: Hose, Pneumatic 4mm D.  13L / 10.4cm
* 
5102c13 Hose, Pneumatic 4mm D. 13L / 10.4cm
Parts: Hose, Pneumatic 4mm D.
has a “V2 Precut” variant:
 
Part No: 37467  Name: Hose, Pneumatic 4mm D. V2 Precut 13L / 10.4cm
* 
37467 Hose, Pneumatic 4mm D. V2 Precut 13L / 10.4cm
Parts: Hose, Pneumatic 4mm D.

And this one:
 
Part No: 5102c12  Name: Hose, Pneumatic 4mm D.  12L / 9.6cm
* 
5102c12 Hose, Pneumatic 4mm D. 12L / 9.6cm
Parts: Hose, Pneumatic 4mm D.
has a(n older) variant:
 
Part No: x467c12  Name: Hose, Classic 4mm D. 12L / 9.6cm (flexible)
* 
x467c12 Hose, Classic 4mm D. 12L / 9.6cm (flexible)
Parts: Hose

The last one says “flexible” (and I have one from my youth ), so I get it’s
more flexible than 7102… but the first one is rather cryptic, “V2 Precut,” and
I didn’t find any note or comparison picture.

Also, all the inventories I looked at (granted, I’m far from having looked at
all of them), use the “cut” parts.  I mean, if “precut” means the new sets came
with parts precut, then the older sets came with a longer, uncut, parts.  But
the inventories don’t show that….

So, how can do you tell the difference?


Unless you have the older pneumatic hoses and the newer ones next to each other,
it is very hard to tell. The hoses were all updated when TLG updated the whole
pneumatic system. I can't remember all of the specifics right now, but if
you are designing something for modern use, use the V2 hoses. I believe the "precut"
was added because they _always_ come precut, unlike the older hoses.

Cheers,
Randy
 Author: SylvainLS View Messages Posted By SylvainLS
 Posted: Mar 2, 2025 16:41
 Subject: Re: Pneumatic hoses 4 mm variants?
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 Topic: Catalog Identification
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SylvainLS (52)

Location:  France, Nouvelle-Aquitaine
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In Catalog Identification, randyf writes:
  […]
  So, how can do you tell the difference?


Unless you have the older pneumatic hoses and the newer ones next to each other,
it is very hard to tell. The hoses were all updated when TLG updated the whole
pneumatic system. I can't remember all of the specifics right now, but if
you are designing something for modern use, use the V2 hoses. I believe the "precut"
was added because they _always_ come precut, unlike the older hoses.

Okay, thank you

That explains why LDraw doesn’t differentiate them.

The trouble now is that Studio will need to make alias files (can’t have two
BL IDs for the same LDraw file) and that causes compatibility problems.  Ah,
well….