I spun up the 3D printed propeller after balancing it. Confirmed my predictions, it survives. So far no deal breakers. I’m estimating this is spinning at 12,500 RPM at max power (350W, 2200kV motor). I need a better test bench, one where I can measure RPM.
If the rain let’s up, it’s time to make another OpenSwift flight attempt. @Daniel_Noree , may I change the name to OpenRC Swift?
http://youtu.be/mQtxbSZmRaI
Awesome @Andre_Roy !!! Very cool!
I’d like think “OpenRC” is everybody’s and everyone can use the name if they like, so feel free to do so.
I’ll rewrite the community description in the near future.
Freakin’ AWESOME! 
not bad at all, I expect the results of the tests coming 
@Jean-luc_DRONE , this is it. It’s just a test to confirm 3D printed propellers printed the right way won’t blow up at speed. I’m likely gonna design and build a proper test bench for measuring performance soon, but I have many things on the go.
You can measure rpm with a custom firmware ESC (Simonk) and sniffing a pin with oscope or teensy, or via i2c
I’ll look into this. I think I need to measure thrust and rpm. I was planning on measuring rpm with IR light interrupt. I’d like a kitchen scale that I can hack to log readings.
Should also try and see if a high speed camera can tell how much the blades deform vs. regular propeller…
many postage scales have rs232 out
so any plans on releasing the files now that you’ve tested???
Oh yeah, for sure. I’m working on this project, but lately I’m spending time on the OpenRC Swift project. Don’t worry, it’s coming.
Hows the test flights on the swift? It looks great.
I crashed. I made a post about it, which I can’t find… Printing a second.