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Search: Posts Made By: tromic
Forum: All About Guns 11-12-2019, 03:36 AM
Replies: 8
Views: 3,717
Posted By tromic
Re: Pelengas Pneumatic Spearguns

https://www.youtube.com/watch?v=OpU9NBYwlNA
Forum: All About Guns 05-30-2018, 09:42 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

60 kgf test of the titanium slider:

https://www.youtube.com/watch?v=CDzCWpkcBMQ
Forum: All About Guns 05-22-2018, 01:02 PM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

Hi Marco!
My son Marko made them. They were supposed to be used with Tomba kit.
For more info about sliders (or Tomba kit...) please write to Marko: marko.romich@gmail.com.
No I have not seals for...
Forum: All About Guns 05-22-2018, 07:25 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

New type titanium line slide for Tomba:

http://i66.tinypic.com/25s3mzn.jpg
Forum: All About Guns 03-25-2017, 01:39 AM
Replies: 84
Views: 22,590
Posted By tromic
Re: Testing different shooting lines

Here is a diagram of my results of influence of shooting line. I did that measurements in sea water few years ago. Look at the results for the first three cases: 1 mm mono, 1.5 mm mono and original...
Forum: All About Guns 03-24-2017, 01:54 PM
Replies: 84
Views: 22,590
Posted By tromic
Re: Testing different shooting lines

I sad that shooting performanse was about the same for 1.6 mm mono and 1.4 mm spectra. Performance for 1.4 mm spectra might be better if crimped same as the mono, without the little loop. There would...
Forum: All About Guns 03-24-2017, 12:31 PM
Replies: 84
Views: 22,590
Posted By tromic
Re: Testing different shooting lines

I found it at spearitco.com: 250 lb mono is 1.6 mm. It shoots like stiff spectra 1.4 m. If spectra would had been only crimped same as mono was, result for spectra might be better? Even a tiny half...
Forum: All About Guns 03-24-2017, 05:04 AM
Replies: 84
Views: 22,590
Posted By tromic
Re: Testing different shooting lines

Very nice test! You are a good shooter, very steady shoots.
Was the thickness of 250 lib mono 1.8 mm or less ?
There are 250 lib monos of 1.5 mm, 1,6 mm...
In any case I suppose stiff spectra has...
Forum: All About Guns 11-04-2016, 07:39 AM
Replies: 178
Views: 111,023
Posted By tromic
Re: The Infinite Engines Dreamair moves from dream to reality

There is another detail that seems to be problematic to me. Bending radius with respect to the Dyneema OD seems to be too small what might be a significant problem both on anchor point and on the...
Forum: All About Guns 07-20-2015, 07:31 AM
Replies: 44
Views: 23,940
Posted By tromic
Re: Cyrano Evo HF Hands On Review

Yes, there is a huge difference in shooting performance, but not only because of Tomba vacuum barrel muzzle. But because of overall much more hydrodynamic spear, including thinner mono line (1 mm). ...
Forum: All About Guns 07-01-2015, 02:20 PM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

Here is the finished Tomba650X muzzle:

http://i61.tinypic.com/wvtsax.jpg
Forum: All About Guns 06-30-2015, 01:27 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

Very light version of Tomba650X for Sten 11:

https://youtu.be/Jtl276CorYQ
Forum: All About Guns 06-17-2015, 12:45 AM
Replies: 44
Views: 23,940
Posted By tromic
Re: Cyrano Evo HF Hands On Review

This is a solution I like:

https://www.youtube.com/watch?v=KdIAMYUYsQ0

http://i59.tinypic.com/5b6zgn.jpg
Forum: All About Guns 03-10-2015, 06:07 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

http://youtu.be/qkEt_MvpbBI
Forum: All About Guns 03-10-2015, 06:06 AM
Replies: 44
Views: 23,940
Posted By tromic
Re: Cyrano Evo HF Hands On Review

Markos latest work for 9/32 (7.15 mm) shaft, Tomba715X

http://youtu.be/qkEt_MvpbBI
Forum: All About Guns 01-13-2015, 06:06 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

New naming:

http://i58.tinypic.com/1rt0eu.jpg
Forum: All About Guns 11-04-2014, 03:02 AM
Replies: 9
Views: 5,881
Posted By tromic
Re: Measuring Shaft Speed

Might be interesting to you:

https://forums.deeperblue.com/threads/measuring-speed-of-the-shaft.91007/
Forum: All About Guns 07-23-2014, 03:33 AM
Replies: 44
Views: 23,940
Posted By tromic
Re: Cyrano Evo HF Hands On Review

I could agree about all, except Omer slider!
Omer microspeed slider is much too heavy and is the worst component of the Airbalete!
Forum: All About Guns 05-07-2014, 11:28 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

Maybe there was already somewhere similar image, but here is how could be the shaft loaded in water, with Tomba kit. Shaft should be filed on one side to be as on image, to allow water to pass under...
Forum: All About Guns 02-20-2014, 05:46 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

Tomba700X for Cressi SL - YouTube
Forum: All About Guns 02-13-2014, 01:24 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

Same as told, shipping included.
For more info write to Marko: marko.romich@gmail.com

Look at this too:
https://www.dropbox.com/s/x8x9r64o0kuxhxh/Tomba.pdf
Forum: All About Guns 02-12-2014, 08:52 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

I have not seen it. You mean how much for Tomba kit for cressi? 35 euro the basic kit. With new muzzle without holes 60 - 70, depends on kit.
Forum: All About Guns 02-12-2014, 06:43 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

Solid design Linghunt! Maybe heavy?
Forum: All About Guns 02-12-2014, 04:00 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

I have done some clean up...
New Tomba models and names:


http://imagizer.imageshack.us/v2/xq90/33/wpzp.jpg (https://imageshack.com/i/0xwpzpj)

Tomba700S:
The most Simple. Could be used only...
Forum: All About Guns 02-09-2014, 03:28 AM
Replies: 50
Views: 23,618
Posted By tromic
Re: Vacuum barrel pneumatic

TombaF700X and TombaF650X

http://imagizer.imageshack.us/v2/xq90/197/o19e.jpg (https://imageshack.com/i/5ho19ej)[/quote]

TombaF700X & TombaF650X - YouTube
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