Search found 755 matches

by hectmarr
Sat Feb 15, 2020 10:05 pm
Forum: Ammo & Parts
Topic: Low-friction/Specialty Ball Valves?
Replies: 10
Views: 188

Re: Low-friction/Specialty Ball Valves?

If you are using a manual air pump, the lubrication system goes into it. In the case you use a motocompressor, it is the same. Always the air that comes out will be lubricated. Commercial devices are not very expensive. I suggest you study thoroughly, what kind of lubricant is a friend of the seal m...
by hectmarr
Sat Feb 15, 2020 5:32 pm
Forum: Ammo & Parts
Topic: Low-friction/Specialty Ball Valves?
Replies: 10
Views: 188

Re: Low-friction/Specialty Ball Valves?

You can try to lubricate the compressed air, and not the valve. While the lubricant added to the ball valve is not constant, at first it is a lot and then it disappears, the lubricated air is constant, and your valve will always have moderate lubrication. I have not tried but it is not much work to ...
by hectmarr
Wed Jan 01, 2020 8:49 am
Forum: Off-Topic Hobbies
Topic: 2020
Replies: 4
Views: 248

Re: 2020

God bless everyone in this new year of which we will be protagonists. HAPPY YEAR 2020 !!! :drunken:
by hectmarr
Sun Dec 29, 2019 3:44 pm
Forum: General How-To & Discussion
Topic: Short question topic
Replies: 1450
Views: 75508

Re: Short question topic

Good idea. I think the spark plug wire used in cars is the easiest to get around here, I will try that.
This seems to me that it meets the requirements. It does not specify the nominal working voltage, but it is for high voltage and is not too expensive.
by hectmarr
Sun Dec 29, 2019 8:28 am
Forum: General How-To & Discussion
Topic: Short question topic
Replies: 1450
Views: 75508

Re: Short question topic

I will try to get some cable from the multimeter or the fly back for TV.
The other thing that I have to try is a good common cable inside a silicone tube, model airplane fuel hose, which has a couple of millimeters of wall thickness and is very flexible. Thanks for the answers.
by hectmarr
Fri Dec 27, 2019 10:06 am
Forum: Hybrid Cannons
Topic: Single pumping hybrid, "Strong Boy"
Replies: 44
Views: 1512

Re: Single pumping hybrid, "Strong Boy"

This is the basic idea for the weapon to incorporate the ammunition and load the butane with the action of moving the bolt. The relative movement of the rod and of the inner tube, allows to obtain an inner displacement, of the rod with respect to the tube where it has a grip on the crank. The pressu...
by hectmarr
Fri Dec 27, 2019 6:41 am
Forum: General How-To & Discussion
Topic: Short question topic
Replies: 1450
Views: 75508

Re: Short question topic

I find it a bit complicated to electrically insulate the high voltage cables from the sparks. At times it seems that only space can make the spark not jump where she wants. :? What materials do you use to insulate? Is there any special type of cable for this purpose? They tell me from these sides th...
by hectmarr
Wed Dec 25, 2019 2:46 pm
Forum: Off-Topic Hobbies
Topic: "Offtopic-posts-topic" NSFW
Replies: 6600
Views: 233603

Re: "Offtopic-posts-topic" NSFW

Merry Christmas! Just wanted to wish everyone all the best for the holiday season! Typing as I am from my new abode, designated workshop behind me, looking forward to 2020! Merry Christmas to one and all :D I wish the same for you and all the members of this heavenly place. May the new year 2020, b...
by hectmarr
Wed Dec 25, 2019 2:39 pm
Forum: Hybrid Cannons
Topic: Single pumping hybrid, "Strong Boy"
Replies: 44
Views: 1512

Re: Single pumping hybrid, "Strong Boy"

How did you make the O-ring that seals against the projectile and what stops the compression from the piston from pushing it past the o-ring? The o´ring is compressed against the nut seat, by the screw. Look at the drawing. The more you press, the sphere needs more strength to escape, and in this w...
by hectmarr
Tue Dec 24, 2019 8:59 am
Forum: Hybrid Cannons
Topic: Single pumping hybrid, "Strong Boy"
Replies: 44
Views: 1512

Re: Single pumping hybrid, "Strong Boy"

The Stong Boy II, is finished building, and I have already tried it, with success. :bounce: It works great, and I think it is the best of all the weapons I have built, for the simplicity of operation, reliability, and energy, depending on the understanding you have, which is not much. You just need ...
by hectmarr
Sat Dec 21, 2019 9:30 am
Forum: Hybrid Cannons
Topic: Single pumping hybrid, "Strong Boy"
Replies: 44
Views: 1512

Re: Strong boy, (hybrid compressed to muscle)

Finishing manufacturing the design 2. The barrel length was 22 cm, which is an old barrel of smooth bore .25 caliber that was unused. I tried it on the work table at 5 bar, and cleanly drilled a can and almost another. Obviously, the longer barrel, apart from drastically reducing noise, adds speed t...
by hectmarr
Sat Dec 14, 2019 11:25 am
Forum: Hybrid Cannons
Topic: Single pumping hybrid, "Strong Boy"
Replies: 44
Views: 1512

Re: Strong boy, (hybrid compressed to muscle)

Thanks Jack! :) It is the simplest hybrid that can build, within what I do, small things. A force lever can be incorporated, but to achieve 7 - 8 bar, which is what I usually use, it is not worth the complication, which is not really such, I mean it is unnecessary :roll: I am building the other alte...
by hectmarr
Sat Dec 14, 2019 7:34 am
Forum: Hybrid Cannons
Topic: Single pumping hybrid, "Strong Boy"
Replies: 44
Views: 1512

Re: Strong boy, (hybrid compressed to muscle)

Another thought I had was to make a break-barrel design like a spring-piston air rifle. You could get a lot of leverage that way. It could be an under-lever design instead of the barrel breaking down. Massive leverage for high mix pressure! Hmm, generally speaking, I wonder if a pellet gun (either ...
by hectmarr
Fri Dec 13, 2019 6:55 pm
Forum: Hybrid Cannons
Topic: Single pumping hybrid, "Strong Boy"
Replies: 44
Views: 1512

Re: Strong boy, (hybrid compressed to muscle)

Moonbogg wrote:That thing is cool! Never seen anything like it. Nice work.
Well, I'm glad you like it. Everything has to be improved, and I have been thinking about improving the design 8) This was a proof of concept, successful, by the way. :)