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Search: Posts Made By: DUCA2
Forum: All About Guns 12-16-2018, 07:41 AM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

Popgun Pete... En principio gracias por traducir.

Gracias por el enlace al foro , no lo conocia prometo leer temas interesantes para mi...toda información es poca.

No quiero utilizar este foro...
Forum: All About Guns 12-15-2018, 07:54 AM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

Como si se tratase de un gran visionario Jules Gabriel Verne, conocido en los países hispanohablantes como Julio Verne.

Yo digo que el fusil de pesca submarina que utilice la supercavitacion sera...
Forum: All About Guns 12-14-2018, 08:17 AM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

Hola Mikel_24
gracias
Forum: All About Guns 12-13-2018, 12:38 PM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

Muchas gracias por tus respuestas.

Yo conozco muchos fusiles muy potentes, capaces de perforar multitud de materiales ( siempre pesca submarina)

Este tema es " SUPERCAVITACION "

En fusiles...
Forum: All About Guns 12-13-2018, 03:23 AM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

Es el único video?
La punta es normal, común?
Forum: All About Guns 12-10-2018, 07:22 AM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

40m/s se puede ver ese fusil y test de velocida? Perdón error no 50km/h...50m/s
Forum: All About Guns 12-10-2018, 06:11 AM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

Popgun Pete..." Por favor, lea este http://arsenal-info.ru/b/book/2921652036/32 "

interesante...I read ...universidades de EEUU tambien tienen buena informacion.


Para hacer un arma de pesca...
Forum: All About Guns 12-08-2018, 11:59 AM
Replies: 59
Views: 8,161
Posted By DUCA2
Re: Super Cavitation Tip Shafts

Por fin un tema muy interesante para mi en este foro.

Es un inconveniente grande no saber el idioma ingles y escribiré en español.

Tengo años estudiando este fenómeno y desde mi gran ignorancia...
Forum: All About Guns 01-25-2015, 06:43 AM
Replies: 4
Views: 1,767
Posted By DUCA2
Re: Can I mount an "MVD Real Steel" reel to my riffe mid handle mid range?

You may need something like this: or like
Porta mulinello multi-block
http://www.ermes-sub.net/testate-ed-accessori-sistemi-roll-inv.html
Forum: All About Guns 11-17-2014, 05:08 AM
Replies: 8
Views: 2,021
Posted By DUCA2
Forum: All About Guns 10-31-2014, 09:34 AM
Replies: 26
Views: 10,010
Posted By DUCA2
Re: First fully synthetic speargun

is well ..it looks nice
Forum: All About Guns 08-08-2014, 02:17 PM
Replies: 9
Views: 3,561
Posted By DUCA2
Re: Contraction velocity

If you can translate (google translate) and understand all your doubts clarified keychain

http://www.arbalogica.net/ita/contrazione_libera.htm
Forum: All About Guns 07-13-2014, 09:19 AM
Replies: 7
Views: 3,663
Posted By DUCA2
Re: Ermes sub reels and mechs

Here you can see my gun with reel mechanism ermes
http://i57.tinypic.com/2ldk17r.jpg

spear gun : Arpia
mechanism : http://www.ermes-sub.net/polynesia.html
Mulinelli :...
Forum: All About Guns 04-12-2013, 10:27 AM
Replies: 15
Views: 3,665
Posted By DUCA2
Re: 44in roller gun or just add another band?

Low water also

http://vimeo.com/55224980

http://vimeo.com/50944045
Forum: All About Guns 04-11-2013, 04:13 AM
Replies: 121
Views: 52,174
Posted By DUCA2
Re: rollerguns- look good on paper only?

you're right, I've seen videos shot abellan prototypes and I think this close to get a good rifle roller if not abandon the project.

Convert the design of a double weapon weapon rubber roller in a...
Forum: All About Guns 11-05-2012, 09:45 AM
Replies: 17
Views: 11,378
Posted By DUCA2
Re: Another roller gun experiment

Italians have highly developed these systems.
I do not like, I prefer the traditional rroller properly configured.
installing these pulleys is easier to carry ....
greetings from Spain

...
Forum: All About Guns 11-05-2012, 06:16 AM
Replies: 17
Views: 11,378
Posted By DUCA2
Re: Another roller gun experiment

good job
I like innovations

You can use a system like this, smaller pulleys, rubber double even below if desired

http://img641.imageshack.us/img641/1900/1351522699.jpg...
Forum: All About Guns 10-24-2012, 09:49 AM
Replies: 48
Views: 11,800
Posted By DUCA2
Re: Hybrid

I like awesome, very well
Forum: All About Guns 10-23-2012, 10:53 AM
Replies: 48
Views: 16,813
Posted By DUCA2
Re: 115cm Roller prototype 2.0

This very well, I see the issue abandoned thanking all their time, their responses and their pictures .. and sure I'll see a new version 3.0
say only one thing that will be very powerful rifle and...
Forum: All About Guns 10-23-2012, 07:37 AM
Replies: 48
Views: 16,813
Posted By DUCA2
Re: 115cm Roller prototype 2.0

ok .. benefits with 40 cm open???
Forum: All About Guns 10-23-2012, 05:53 AM
Replies: 48
Views: 16,813
Posted By DUCA2
Re: 115cm Roller prototype 2.0

I respect their work and do not want to sound rude, but I install magnets in my arms at the beginning and there are only two possibilities:
1 - that the magnet hold onto the rod, with the number of...
Forum: All About Guns 10-22-2012, 12:03 PM
Replies: 48
Views: 16,813
Posted By DUCA2
Re: 115cm Roller prototype 2.0

when designing a rifle, the main thing is obtimizar the most of all the parameters.
power, recoil, hydrodynamics (lateral movement), friction of the rod has to be zero, with magnets is not achieved....
Forum: All About Guns 10-22-2012, 04:05 AM
Replies: 48
Views: 16,813
Posted By DUCA2
Re: 115cm Roller prototype 2.0

Magnets control a smaller shaft better inside the track.

magnets greatly increases the friction of the rod on the track, this proved
Forum: All About Guns 10-21-2012, 05:46 AM
Replies: 48
Views: 16,813
Posted By DUCA2
Re: 115cm Roller prototype 2.0

I like it, greetings from Spain

http://imageshack.us/a/img694/5582/lwrt1.jpg (http://imageshack.us/photo/my-images/694/lwrt1.jpg/)

great solution

that uses rubber bands?
Ballistic tests...
Forum: All About Guns 10-08-2012, 05:36 AM
Replies: 62
Views: 17,164
Posted By DUCA2
Re: Abellan Denton Partner in Crime

Hey it's not hard to do

http://vimeo.com/29534280
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