Author Topic: My target rifle project (Read 9452 times))

Finn · « **Reply #40 on:** August 01, 2017, 08:12:26 PM »

Yes I have bought stuff from gateros and they work well especially that deep black dye, if anyone here wants to try anodizing something I recommend searching for Sanodal aluminium dye. I prefer the HP printer ink in some situations, it easily produces very even and bright color and does not leave any residue, of course it is pia to dig it out of the cartridges but it will last a long time.
Couple of pics, last two photos show what kind of current densities I usually have, theres five small parts 13.4 volts 2.50 amps. Sulfuric acid is close to 10% and temperature is around 20c. DIY power supply has thermal cutoff that kicks in at 30 minutes so I keep the back door open to cool it. I have a strange obsession with led displays, I would have them on my gun if it was necessary.

MJP · « **Reply #41 on:** August 02, 2017, 04:48:50 PM »

What kind of mix do you use with the inkjet dye? Or straight ink and thats it?
I have done some anodizing also but mainly use gateros dyes.

Marko

Finn · « **Reply #42 on:** August 02, 2017, 05:29:46 PM »

I'm not absolutely sure about the mixture, I went to a local computer store and asked for used printer cartridges and after some explaining got something like 30 of those, at first they were suspicious that I would start refilling business.
I whacked the lids off with hammer and separated the ink sponges into three buckets. Then I added a liter of water to each bucket and squeezed the ink out of the sponges. At the end I had cyan, magenta and yellow maybe 0.7 to 1 liter of each. Inks look opaque in 0.5 liter plastic bottles, except for the yellow which appears dark orange. Two minutes in warm ink gives parts very dark color.

BTW just had the craziest idea to try if dark coffee works as a dye.

MJP · « **Reply #43 on:** August 02, 2017, 06:01:05 PM »

Ok, thanks. Btw, coffee wont work, i has grease in it.
Dont ask how I know

Marko

Nice looking parts by the way.

Rob M · « **Reply #44 on:** August 02, 2017, 09:18:44 PM »

everything looks great!

Finn · « **Reply #45 on:** August 02, 2017, 09:30:25 PM »

S**t, I may have ruined a batch of parts. Acid tank is outdoors under a plywood box and I forgot to put the lid on it and just after few minutes the most powerful rainstorm started and water was flowing everywhere, power supply and acid tank included. I didn't stop the process as current was still flowing, hopefully it turns out good.

Finn · « **Reply #46 on:** August 03, 2017, 12:25:22 AM »

Luckily those parts are fine, few more batches to go. I've been up all night polishing parts with worn out patches of sandpaper, my fingers start falling off any time now.

Batch two: cheekrest horizontal adjusting piece and pistol grip balljoint parts.

Batch three:bolt, valve spring retainer/chamber, hammer spring adjuster, frame rear mount and front furniture t-nuts.

Batch four: UIT front rail, pistol grip rail, cheekrest knobs and stock rear plate.

Time for breakfast an coffee.

Finn · « **Reply #47 on:** August 03, 2017, 07:57:27 PM »

This thing has too many parts, I bet your gun doesn't have RC helicopter ball bearings, this one does.

Rob M · « **Reply #48 on:** August 03, 2017, 08:59:53 PM »

that's one seriously complex breech assembly, the trigger pack looks awesome

MJP · « **Reply #49 on:** August 04, 2017, 03:45:02 AM »

That is some nice engineering indeed. Rc helicopter bearings, cool. Did you strip a helo for this or had spares?

Marko

Wayne52 · « **Reply #50 on:** August 04, 2017, 06:22:33 AM »

Finn you're doing a beautiful job on that gun for sure.

Finn · « **Reply #51 on:** August 04, 2017, 09:22:10 AM »

Took couple of photos outdoors, blue color is so bright it almost looks like CGI. I should have cleaned the gun first, it has a lot of fingerprints and dust.
Marko, I had box full of align Trex spare parts, helo still flies.

MJP · « **Reply #52 on:** August 04, 2017, 10:03:11 AM »

Holly cow that is pretty, (ihan helvetin hieno!)
Another copter flying and airgun making Fin, I have also couple of birds, 250-500 and 600 trex. Later one is turbocharged.. But I think you knew that.

Marko

TPL · « **Reply #53 on:** August 04, 2017, 10:47:28 AM »

Looks really cool Finn. That is a piece of art.

rintafile · « **Reply #54 on:** August 05, 2017, 11:27:43 AM »

Thats looking very nice! very good job.

Finn · « **Reply #55 on:** August 26, 2017, 07:42:55 AM »

One of the nicest things about diy guns is that you have all the factory test equipment. Here I'm setting the regulator pressure, very easy when it is externally adjustable and you can shoot the gun while adjusting.

Finn · « **Reply #56 on:** September 05, 2017, 11:58:38 AM »

Added front grip risers and translucent eye cover and scored a couple more points in 10 meter air rifle match.

LaCombreKnives · « **Reply #57 on:** September 17, 2017, 09:27:34 AM »

Beautiful. Some serious machining skills displayed

PatrickB · « **Reply #58 on:** November 12, 2017, 06:39:42 PM »

I almost never ever post here due to some previous issues but I still drop in occasionally and this absolutely required a comment. Well done all the way around. Fantastic job of machining.
Pat

Tricky-Ricky · « **Reply #59 on:** December 17, 2017, 08:45:12 AM »

Beautiful and extremely functional, a credit to your skills sir.

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My target rifle project

Author Topic: My target rifle project (Read 9452 times))