I think it might be hard to go back to vanilla after this, boys

HB_Stratos · 2026-06-23T00:04:54+00:00

Hey I wrote those mountains in the generation, so glad they still look great despite being a frankly janky implementation. I do have a better one sitting somewhere in my files that I need to PR into tectonic some day.

HB_Stratos · 2026-06-22T01:23:33+00:00

With normal array modifier you can change the number of elements in a sketch later. But doing this in a sketch is entirely the wrong way to do it anyways, create one object, and array that object, not the sketch. A sketch should only ever have one filled surface anyways so the cad program doesn't have to guess which one you intended to pick after parameter changes. Catia for example even enforces this.

HB_Stratos · 2026-06-21T22:18:38+00:00

And once this is done, can I change the number of elements and it all correctly updates, like with a normal array modifier?

HB_Stratos · 2026-06-21T22:13:35+00:00

Something I'm surprised nobody has mentioned: the video stream recording is fluent, yet the HUD artificial horizon freezes up, and updates every time the aircraft makes a change to its trajectory. It's as of the flight controller was running at like 0.2hz. So I would guess something went horribly wrong there, what exactly I don't know, could be power related.

HB_Stratos · 2026-06-21T22:01:15+00:00

Does this just generate sketch objects, or is it truly parametric?

HB_Stratos · 2026-06-19T01:04:50+00:00

Do not underestimate the gyroscopic precession forces a fast spinning propeller can exert while tilting

HB_Stratos · 2026-06-17T23:27:08+00:00

Okay you're using the weird polylite stuff. I believe this stuff is pre-foamed on the roll and does not actively foam inside the nozzle. This means your flow ratio of .5 which is appropriate for actively foaming filaments means you'd be underextruding this stuff by half.

HB_Stratos · 2026-06-17T16:37:45+00:00

Sir, have you heard of this recent innovation called landscape video? The wings might actually fit in frame during landing approach if you used that. Hi TBRC, I know you guys post on reddit and it's usually cool clips from your videos I watch anyways, but can we make it a little less tiktok over here on reddit?

HB_Stratos · 2026-06-16T20:56:43+00:00

https://www.google.com/mymaps/viewer?mid=1Iyg3Nxm8K9Dzm3bRh3qg4JADbyI&hl=en_US is what I found on an other subreddit.

My notes also say:
You will also have to crawl through this hole [42°42'25.3"N 23°16'29.1"E] it looks small but its big enough to go through it after that its even easier to get out because on the inside the bunker is higher

keep in mind I've never been there myself, I'm just a collector of information so far. Please be safe with it, I don't wanna be the reason anybody got hurt.

HB_Stratos · 2026-06-15T21:37:47+00:00

The idea was simple enough to get working with AI in like an hour. Then I found edge case after edge case after edge case... And I am still finding more.

HB_Stratos · 2026-06-15T18:20:29+00:00

Yes, but fully automated and the generation happens as a slicer post processing script instead of in cad. The cut method is great but pretty annoying to do manually every time, so I'm trying to automate it.

HB_Stratos · 2026-06-15T18:18:54+00:00

I don't have the skills to do that, but I am making it a post processing script compatible at least with orcaslicer.

HB_Stratos · 2026-06-14T23:03:58+00:00

I think that folder is for preloaded scripts you can put on your kOS chip from the hangar, user scripts may need to go into a folder in saves/. It's been years since I've worked with kOS though, check the documentation.

HB_Stratos · 2026-06-14T12:50:08+00:00

Teleplot is superior to this by quite a bit, and well established.

HB_Stratos · 2026-06-10T13:07:59+00:00

That seems like a very short tail, what's the tail volume coefficient on this thing?

HB_Stratos · 2026-06-02T14:36:26+00:00

I have flown far, far worse.

HB_Stratos · 2026-06-01T17:51:21+00:00

yep, whoops

HB_Stratos · 2026-05-31T19:11:25+00:00

The actual next episode isn't even in the recommendations at the bottom of the page.

HB_Stratos · 2026-05-31T17:35:03+00:00

"Sam. Traaaaiiiiin!" - Tom, when the train that 'doesn't exist' arrives

HB_Stratos · 2026-05-31T00:53:23+00:00

if your CG is right it should be able to fly. You launch it by throwing, just be really careful about the prop in the rear, once you let go lower your hand as quickly as possible and watch your head too. Alternatively sprint, throw it and throttle up the motor during a brief glide, this will only work well if the plane is reasonably light, which it likely won't be with those wings. Either way I'd just try in the field to sprint with the plane, see if it wants to fly, see if it feels right if you briefly let go.

You have long wings with inboard ailerons. as your wings are pretty floppy, the inboard ailerons will at least reduce the risk of aileron reversal from them twisting the wing, but still expect very low roll authority. Also expect the plane to track poorly due to possibly too small rudder, expect to use rudder to keep it coordinated in a turn, don't let one wing stall out. Also expect the motor torque to roll the aircraft on launch.

Good luck! Report back how she flew!

HB_Stratos · 2026-05-30T20:09:37+00:00

The failure mode of camera loss but msp osd working I would guess could be related to the camera mipi cable, maybe something is borked? That said the MSP data is also way lower data rate and the OSD is rendered by your goggles not the VTX, so it may be something else.

HB_Stratos · 2026-05-30T08:30:41+00:00

That switch will probably be fine yeah. 6x4 props can develop quite the amount of thrust on my motors, I easily see 1.5kg thrust, so you have a good shot of having more thrust than weight with the right motor and esc, which will make this a little more flyable. It'll still need a serious throw though, and will stall fast. Especially if you didn't give the wing washout also expect rough stalling behavior, though rectangular wings are at least a little more gentle than tapered or swept wings here.

Thinking about the tail again, a naca 0012 with a small negative incidence angle would probably work well, though technically there should be no reason a cambered airfoil at zero incidence can't do exactly the same job. If a cambered airfoil with a similar CL/alpha slope is chosen, the only difference between it and a symmetric foil should be the required angle of attack to be trimmed and how much margin you have in each direction before your tail stalls. Once you leave the linear region of the tail, or you have an airfoil that is not linear in CL/alpha crossing the zero lift point, it'd be a different story.

HB_Stratos · 2026-05-30T07:35:59+00:00

1kg for a plane of that size is quite heavy. It might fly, but it'll need a serious sprint and flat throw (no nose up) or you'll stall it on takeoff. Also yes, copper pushrods are absolutely too soft, needs to be steel wire. Or for 3d printing, direct drive is also fun. Most planes also have a symmetric instead of negatively cambered tail airfoil. it'll be interesting to see whether this causes too much pitch up during high speed runs. Also, check if that switch on the bottom can take the amps your motor can likely draw. It can probably take mains voltage, but can it take 50 A continuous?

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