Messages

1

Energy / My Rocket Stove

« on: January 11, 2022, 09:47:57 AM »

Ernie has been talking about rocket stoves lately. This is the one I've designed and have been using for 7 years.

Designed in blender


Made from 1/4" steel. Weighs about 500 lbs.


Powdercoated


Lined with firebrick and a custom heat riser so fire never touches the steel. Have had to replace bricks & risers over the years, but zero damage to the steel.


I've been able to heat my ~1500sq.ft home on about 2.5 cords of wood per year/season. I haven't used a traditional wood stove for comparison, but would guess the rocket stove uses 1/2 the wood of a traditional stove.

I also reduced my propane cost by ~70%

Here are the build plans I gave to the fabricator.

Got a lot of ideas from this guy (Youtube). He has a lot of videos building and upgrading his stove.

What would I change?

The tolerances were a little too small for the bricks. So when replacing the bricks, I have to trim them to fit.
I didn't add a secondary air intake to deliver clean, preheated air to the base of the heat riser. This is supposed to increase performance/efficiency.

Cameron
https://precariat.us.to/

2

Design / Phoenix Fighter

« on: January 11, 2022, 09:36:05 AM »

Davi had sketched up the Phoenix fighter (PDF). I started modelling in blender, but got frustrated rigging the ship to have fully collapsable bird wings and stopped working on it. It also needs retractable legs.



I can provide what blender files I have if someone wants to continue working on it.

Cameron
https://precariat.us.to/

3

Promenade / Re: SPAM! SPAM! SPAM!

« on: September 12, 2021, 11:25:42 AM »

I've been working on this new forum and have cleaned up all the spam. Hopefully the new system will be less susceptible to the Russian bots.

4

Build the Ship / Re: Crew

« on: May 10, 2020, 01:16:13 PM »

I'd love to see progress on building the ship. Haven't done much design on this end.



Had started to figure out structural supports, but stalled out on the process.
[attachment=2]Untitled2.jpg[/attachment]

Also played with 3D printable models and attempted a design for lasercut model to make a larger (2'x 2') model/drone.
[attachment=0]Untitled.jpg[/attachment]

Started modelling another ship (the Phoenix), but it's more fantasy & less practical than the Precariat. Progress is slow going.
[attachment=1]Untitled1.jpg[/attachment]

Was thinking the Precariat would be nice to have with all the Covid stuff going on.



Let me know if you need assistance building/designing something in 3D.



Build the Ship!

5

Design / Re: Introduction

« on: October 21, 2019, 03:24:48 PM »

After two years, I realized the ship has sea-level bell nozzles and not the vacuum optimized ones (9-10x larger). Changed the Merlin engines to have the larger nozzles.



27 total. 17 on the rear + 10 on the ducted fans.


[attachment=0]untitled1.jpg[/attachment]

6

Design / Re: Building Structure/Frame

« on: September 16, 2019, 07:35:10 PM »

I can't imagine a graphene air bag that can hold a vacuum. Vacuum containers are heavy.



Why didn't this tanker car float? https://www.youtube.com/watch?v=kM-k1zofs58



(Full episode https://www.youtube.com/playlist?list=PLxRY4DO4-dwo_NJVkXKxnv5e6aDE9umHQ )



Helium is 0.18 grams per liter.

Hydrogen is 0.09 grams per liter.



I think a positive pressure balloon is much easier & lighter than building a vacuum container to get down to 0.00 grams per liter.



Balloons already exist.

7

Promenade / Re: Bogg (Cosmic seeds)

« on: September 16, 2019, 05:26:24 PM »

The first thing to pop into my head for Cognito Blueberry were the creatures from X-Files - Detour. Not plant people, but camouflaged/invisible people who looked organic.




[attachment=2]Untitled1.jpg[/attachment]
[attachment=1]Untitled2.jpg[/attachment]
[attachment=0]Untitled3.jpg[/attachment]

8

Promenade / Re: The First Letter of Captain Kid

« on: September 06, 2019, 02:23:27 PM »

I think he's a bot selling satin sheets (link at the bottom of his post). Have been seeing a lot of vague posts that seem semi-relevant.



Saw one on the 3dprinting thread asking about setting up printers at sporting events. With a link to a rice cooker!



Good job on the letter BTW.

9

Design / Re: 3D Printing

« on: July 07, 2019, 06:26:00 AM »

Since I don't have a 3D printer, Here is a virtual version based on the .OBJ files.


[attachment=0]Parts.jpg[/attachment]

[attachment=1]Complete.jpg[/attachment]

Cameron

10

Design / Re: 3D Printing

« on: July 07, 2019, 05:24:53 AM »

The detachable cargo hold is here (print to the same scale).
[attachment=0]Precariat-Cargo.jpg[/attachment]



The solar panels were difficult to orient, and require a lot of support material due to the "fan-fold" design. I don't recommend printing the panels. You can probably make something better by folding your own panels from sheets of paper or plastic. But here is the 3D file anyway.

(Too much support material)
[attachment=1]Precariat-Solar.jpg[/attachment]



Or if you want to print a smaller version (and are very brave), you should be able to print everything at once...
[attachment=2]Precariat-All.jpg[/attachment]



Please post photos of your models.



Thanks,



Cameron

https://precariat.us.to/ (Bounty!)

11

Design / Re: 3D Printing

« on: July 07, 2019, 05:17:22 AM »

Have been trying to manipulate the Precariat model for 3D printing (even though I don't own or have access to a 3D printer). Hoping people can test printing these files on their hardware and post photos.



Used Meshlab (meshlab.net) to "clean up" the model and reduce complexity to something more friendly to 3D printing. Then used Slicer (slic3r.org) to simulate setting up for 3D printing.



Since the model is irregularly shaped with no flat surfaces, I cut it into 3 pieces so it can be printed with minimal support material and be assembled after printing.



All the OBJ files are here https://precariat.us.to/3DPrinting



The lower section is here. It is printed upside down, so there is maximum material on the print bed. Some support material (shown in green) is required to support the main fans. If you rotate 45 degrees, you can get the most space from your print bed.
[attachment=2]Precariat-Lower.jpg[/attachment]



The upper section is here. It also has some support material for the ducted fans. Also rotate 45 degrees for maximum space, and print at the same scale as the lower section (so they match up when assembled).
[attachment=1]Precariat-Upper.jpg[/attachment]



The tail section is here. Also print to the same scale as the pieces above.
[attachment=0]Precariat-Tail.jpg[/attachment]



[continued in next post...]

12

Contest / Cargo Design

« on: October 08, 2018, 08:55:23 AM »

The standard cargo hold is a basic design. Just a big open space. The current docking design uses mooring lines and a clamping system that "pulls" the ship to the cargo hold. See the cargo design thread for details.



You can design any style of "cargo" you like as long as it matches the current docking design. Of course, if you can design a better docking system, your input is welcome.



This thread is for submitting alternate cargo designs. The ship doesn't just have to move cargo. It could also move structures as long as the mating system matches the ship and the ship is capable of lifting the total weight.



As an example, the ship could deliver a 30,000 sq.ft. factory with the docking system integrated into the building structure.





Download the full ship model in Blender and design your own cargo option.



Post your work or suggestions for alternate cargo designs in this thread.



Cameron

https://precariat.us.to/ (Bounty!)

13

Contest / Contest Rules

« on: October 07, 2018, 01:40:08 PM »

The Precariat Design Contest forum is for posting discussion & designs for the interior of the ship.



https://precariat.us.to/GetFile/LA1Gk/dl" alt="" class="bbc_img" />

Front levels are for commercial passenger & crew members.

Top levels are for commercial cruise cabins with full height windows that span the entire ship.

Rear levels are for engineering, maintenance, and mechanical operation of the ship.



All 15 levels of the ship are connected with freight & passenger elevators...





Rear level cutaway...





All levels contain their own topic/thread with details about each level. Post your design ideas, sketches, & renderings in the appropriate thread.



Check this thread for future contest details.



Cameron

https://precariat.us.to/ (Bounty!)

14

Contest / Launch Bay / Rear Level 4

« on: October 07, 2018, 01:18:40 PM »

[img=https://precariat.us.to/GetFile/pSyPZ/dl/w640][/img]

Rear Level 4 contains 7,767 sq.ft. of floor space.



Rough use of the levels has been outlined in the Subsystems thread.



This level is the hangar deck for the ship. It could contain launch systems, launch catapult, and fighter ships. Landing vehicles would likely be vertical or short landing craft since the launch bay is only 137' long!



Below is an overview of the floor plan. Click the image to download a 1' grid version for sketching up your floor plan.

[img=https://precariat.us.to/GetFile/pJnRt/dl/][/img]



This level is 23' high including space for flooring, life support (HVAC), plumbing, or any cabling needed to run the ship. Download the full ship model in Blender for a 3D model of the available space.



Of course the levels aren't "set in stone". They are a starting point. If you feel a level height should be modified, do your design, and make your case for the change. Everything is open to suggestion if you can make a compelling case.



Post your work or suggestions for Rear Level 4 in this thread.



Cameron

https://precariat.us.to/ (Bounty!)

15

Contest / Main Engineering / Rear Level 3

« on: October 07, 2018, 01:01:06 PM »

[img=https://precariat.us.to/GetFile/4fWMr/dl/w640][/img]

Rear Level 3 contains 6,444 sq.ft. of floor space.



Rough use of the levels has been outlined in the Subsystems thread.



This level is the center for mechanical operations of the ship. It will contain controls & equipment for all aspects of running the ship.



Below is an overview of the floor plan. Click the image to download a 1' grid version for sketching up your floor plan.

[img=https://precariat.us.to/GetFile/TvaoX/dl/][/img]



This level is 15' high including space for flooring, life support (HVAC), plumbing, or any cabling needed to run the ship. Download the full ship model in Blender for a 3D model of the available space.



Of course the levels aren't "set in stone". They are a starting point. If you feel a level height should be modified, do your design, and make your case for the change. Everything is open to suggestion if you can make a compelling case.



Post your work or suggestions for Rear Level 3 in this thread.



Cameron

https://precariat.us.to/ (Bounty!)