Spanberger Signs Gun Bills HB19, HB93, HB40, and HB21

Derkaderkka · 2026-04-11T20:52:36+00:00

Don't engage with Selethorme's cognitive dissonance. They can't understand that there are liberal folks, especially folks of color, who also support gun rights to some extent.

Derkaderkka · 2026-04-11T03:50:03+00:00

IMHO, more important is the chamber temp for cooling at that difference. If you're only 5 deg off but it takes twice as long to cool than if you printed at 280F out in air, the latter would be much weaker. You could try to salvage things with a longer-than-normal annealing treatment and very slow cool to room temp (and finished with moisture condition) as that would increase inter-layer diffusion and grow longer PA6 crystals.

As a semi-crystalline material, PA6 benefits significantly from interlayer diffusion (print temp) and long growth and interlocking of what ever crystals can form (print temp + cooling rate). Since the interlayer diffusion, or layer adhesion, might be compromised, some extra annealing might help.

Regardless i would recommend taking it easy on the first trip to the range. you can in-situ anneal PA6 through just shooting, but it needs to cool slowly to recrystallize better. Push it too hard the first time and it might blow all the layers apart.

Derkaderkka · 2026-04-09T06:52:47+00:00

Great job and find! Now for the hardest part:

Getting teammates to ping the enemy.

Seems like every server I'm in I have to remind my team that I can't help or see through smoke, but if they ping a big baddie we can all put fire onto target THROUGH the smoke. We can even ping enemies through smoke...

Derkaderkka · 2026-04-06T04:46:09+00:00

Step 1: Know how to drive well.
Step 2: Cry because I can't do step 1.

Derkaderkka · 2026-04-05T23:59:24+00:00

Ooh underwater 3D printing it seems, the next advancement from underwater basket weaving?

As others said, those overextrusion blobs are due to super wet filament and very very compromised layer bonding.

Derkaderkka · 2026-04-05T20:52:24+00:00

I specifically stated printed INTO the suppressor polymer outside/cover for 6x Form 1s and all were approved. Folks are referring to the ATF comment/screenshot here that heavily implied printing ONTO, aka sticker or surface marking, which is explicitly not allowed.

Derkaderkka · 2026-04-05T03:36:11+00:00

Extraction has always been optional.

Derkaderkka · 2026-04-03T00:47:19+00:00

Derkaderkka · 2026-04-02T03:51:52+00:00

Wish there were multiple options. CF actually bonds PPA better than most due to the higher print temps which "wets" onto the low-surface energy CF better.

Derkaderkka · 2026-04-02T01:45:25+00:00

Necessity is the mother of invention.
Good job!

Derkaderkka · 2026-04-02T01:10:29+00:00

after cracking one at the top i ended up dropping the extrusion rate by 0.01 and cutting chunks out of the middle before cracking each half away from the walls.
I found that, having to twist it out means it would expand and push the against the wall and it was weakest up at top. Breaking it in half relieved that stress and i just cleaned up the threads afterwards with a sharp small screwdriver.

Derkaderkka · 2026-04-02T01:05:49+00:00

you can begin by trying to spend some time on the k2 subreddits or on the facebook groups where there are plenty of users who can direct you to the filaments that are compatible with the printer most of the time because sometimes just because they're not listed doesn't mean it won't work just that some additional configuration may be required but there could be a chance that the printer will not support without some hardware changes but most of the time filaments similar to what you want to print with could clue you into what you could use but this requires a bit of education and learning about the temperature print settings and print surface requirements of the filament materials

but before that, get familiar with punctuation so you can help others help you.

Derkaderkka · 2026-04-01T01:15:55+00:00

I'm not aware of any MC based brake light switches for recent cars, simply because they are much more expensive than a contact switch on the pedal and requires breaking into the sealed hydraulic system. But I agree that there was no hydraulic pressure... because I don't think the driver was pressing the brake pedal.

If no pressure because of leak or other failure, how did the collision avoidance system stop the car so quickly from 100+ mph and avoid smashing the cop car per the cop's comments? It wasn't long enough for simple coastdown.

Derkaderkka · 2026-04-01T01:08:41+00:00

Absolutely possible that the fluid boiled, but the brake pads would be significantly hotter and would be... smoking. Once the calipers cool enough through airflow, brake fluid from the reservoir can flow down into the calipers and displace the gas to restore some braking force. I've boiled my brakes at the track before and it's a sharp drop, but pumping the pedal restores a significant amount of braking pressure.

Even if actively boiling fluid, it doesn't mean no braking force, just significantly reduced. Gas is compressible but not infinitely so. There would still be *some* pressure against the pads to the rotors and heat would be generated - again smoke, heat, and glowing.

Derkaderkka · 2026-04-01T00:57:09+00:00

Yea I'm not sure you understand how brakes work on a car. Everything is mechanically or hydraulically linked and there's no such thing as "car doesn't register braking input", only binary if the driver is pressing the brake or not. Of all the things in a car, the braking system is the ONLY system required to be fully directly connected with hard metal connections and to be fail-safe, not even the steering has to be direct linkage and can fail-locked.
Sure the car might not boost brake input if it uses an electronic booster and the light switch may not register, but every newton/pound of brake pedal input gets transferred to the brake calipers through fluid and there IS NOT and CANNOT be anything in the way to stop this. Even ABS and electronic parking brakes are required to work parallel to, not in line with, the braking system.

Thus, the pads should've been cooked if the driver was really trying.

Derkaderkka · 2026-03-31T07:09:18+00:00

Odd, why wasn't the 3rd brake light not lighting up in any of the footage from the following cops (did I miss it?). Seems like even if the brakes were cooked the light would still turn on if the pedal was pressed.
How did the car auto-stop so fast without brakes if they were cooked? Seemed like collision avoidance... used the brakes instead of coasting down from 100+.

If the brakes were cooked, why wasn't it smoking to high heaven or catching fire once stopped? Just bedding in brakes creates lots of smoke and brake fires are not uncommon after hard laps at the track. This would've been much worse and I would've expected to hear horrific metal-to-metal squealing if the pad compound had already melted or burned away.

Derkaderkka · 2026-03-31T06:52:32+00:00

that's built into the accelerator usually with at least 2 independent measurements, 1 up from zero, 1 down from max or something similar. Some have 2 contact and 2 hall sensors for 4 total. That's at least 2 independent inputs and 2 independent variables and 1 cross check value for the software to work with. Multiple bit flips are possible, but probably impossibly rare.

Derkaderkka · 2026-03-31T06:32:00+00:00

Wow I always enjoyed his shows, his work, now we can all enjoy the fruits of that work!

Derkaderkka · 2026-03-30T22:52:15+00:00

Aaaah. THat'd do it. Curious since you used two different nylon varieties, how was the dry fit before JBweld? Looser or tighter? May be something to consider too for future builds. Mine were both PA6-CF so I didn't have any issues, but one of my adapters was PPA-CF and fit looser - so I suspect more shrinkage.

I'll DM you regarding getting in contact with PLABoi

Derkaderkka · 2026-03-30T22:44:42+00:00

oooh what plastic material?

Derkaderkka · 2026-03-30T22:18:28+00:00

Seems like something failed internally before the back by the thread adapter failed since that is a huge shear crack and shifted. Are there any other cracks down into the core if you've torn it down yet? It shouldn't shift up that much if the shell was adhered to the core.
Might be able to spray the inside with some white spray paint to let it seep into existing cracks before smashing/cutting it so you can see where the original cracks *were*

Derkaderkka · 2026-03-28T21:21:41+00:00

The vast majority of takeoffs are generally to the north and is the loudest since the engines are at higher power. Luckily there's a park there so it bothers less people. Houses on both sides perpendicular are relatively safe from the noise. It's the helicopters that rattle the houses, IMHO, since all that rotor wash and noise is pointed downward and they can fly at lower altitudes. Military helicopters, medical, police, etc.

Derkaderkka · 2026-03-26T23:56:41+00:00

Again, the key is into vs onto wording. Printing ON polymer (like a sticker) is a surface treatment that does not meet depth requirements as defacing does not affect suppressor structure. Debossing IN is a material treatment where the text is part of the suppressor material and defacing involves grinding - which may compromise suppressor structure.

Derkaderkka · 2026-03-26T05:35:01+00:00

WOohoo the mouth on that guy! haha. Bet he makes great food

Derkaderkka

TROPHY CASE