Motor Cooling, part 2

A project log for GimbalBot

Gimbaled thrusters, aerospace-grade adhesives, carbon-fiber-reinforced polymers, and inertial measurement units. This is a space project!

zakqwyzakqwy 08/19/2014 at 03:045 Comments

Seems that all GimbalBot posts come in 'parts' nowadays, huh? Sorry about that. Maybe I'll do some consolidation at some point. Doubtful.

I've sent five items off for 3D printing. And by that, I mean I've sent them to a good friend that has agreed to print them for me on his machine. Thank you, friend. 

One duct... :

... and four venturi designs:

Two different lengths for the venturi models, 30 and 50mm. One pair are straight-on, the other pair are angled in an attempt to take prop wash in to account as discussed in the previous log. I moved the inlets down a bit so they're slightly downstream of the choke point, but otherwise didn't change much. Despite my claims about trying to size beta ratios and inlet diameters, those are pretty arbitrary.

In the interest of complying with the HaD Prize Phase One Prize Requirements, I also put together a system diagram:

It's not terribly clear--diagrams definitely aren't my strong suit. I'll publish an updated digitized version on 8/20.


Michael O'Brien wrote 08/19/2014 at 03:10 point
Yeah, the system design I put up is more basic than that. I even made a recent change that affects it. After spending my weekend on my video, mind you I needed some play time with my camera and Magic Lantern, with the days left I'm opting to l spend the time creating the remaining bits and bolts I need instead of prettifying the graphic of mine, *shrug*. I used to have a whiteboard...

  Are you sure? yes | no

zakqwy wrote 08/19/2014 at 12:03 point
Installing a whiteboard in my office was the best $11 I've spent in some time. Highly recommended!

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Michael O'Brien wrote 08/21/2014 at 03:28 point
What is that, 4' x 8'? That'd cost ~$150-$200 here in California...

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zakqwy wrote 08/21/2014 at 03:44 point
Same in Mpls, so I grabbed a 4x8' piece of white acrylic faced MDF and screwed it to the wall. No frame, but the price was right. Most big box home stores have 'em.

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