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NegativeC / ducted-fan-pinewood-derby

BSA "Pinewood Derby" car powered by an EDF and Adafruit trinket
The Unlicense
9 stars 6 forks source link

Circuit detail for beginners #2

Open Christopher-72 opened 5 years ago

Christopher-72 commented 5 years ago

Would be great to have more detail on how to wire up the ESC/IR/Trinket for beginners like me and my son. Your sharing is valuable, thank you.

Christopher-72 commented 1 year ago

https://postimg.cc/gallery/9RtWn0j https://postimg.cc/gallery/n78BGTf

Link to the gallery of a build using this code, a Trinket, and truly overkilling. 1.4 second race times. Truly a masterpiece from Negative-C's code and inspiration. Adjusted to 1.2 second thrust before shutoff.

The hardest part was building a capture net to catch this missile at the end of the track. The sound of the 7cm jet engine was amazing.

NegativeC commented 1 year ago

Wow, I am extremely impressed with your build! Truly amazing work and that 70mm fan is huge! This makes me want to build a Version 2.0 😁 It would be interesting for someone with CFD experience to test different fan sizes and ducting for thrust optimization. I usually just go with what is lightest for acceleration.

NegativeC commented 1 year ago

70mm should be 4 times the thrust of the 40mm fan 😲 It must sound great.

Christopher-72 commented 1 year ago

Honestly, without your work I wouldn’t have known where to have started. I really valued your initial sharing.

In the process of building, my boys learned more about microcircuitry, fusion360, printing, soldering, and how you can make something fun. Priceless – Thank you so much

-Christopher Powell

From: Christian Hubbell @.> Sent: Sunday, January 22, 2023 10:31 AM To: NegativeC/ducted-fan-pinewood-derby @.> Cc: Christopher-72 @.>; State change @.> Subject: Re: [NegativeC/ducted-fan-pinewood-derby] Circuit detail for beginners (#2)

Wow, I am extremely impressed with your build! Truly amazing work and that 70mm fan is huge! This makes me want to build a Version 2.0 😁 It would be interesting for someone with CFD experience to test different fan sizes and ducting for thrust optimization. I usually just go with what is lightest for acceleration.

— Reply to this email directly, view it on GitHub https://github.com/NegativeC/ducted-fan-pinewood-derby/issues/2#issuecomment-1399520719 , or unsubscribe https://github.com/notifications/unsubscribe-auth/ALCCMJADV3VHO77DQ7XOOYTWTVHD7ANCNFSM4GOI2M6Q . You are receiving this because you modified the open/close state. https://github.com/notifications/beacon/ALCCMJFO3MR2Y2ON5ZQKHZDWTVHD7A5CNFSM4GOI2M62YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOKNVP3TY.gif Message ID: @. @.> >

Christopher-72 commented 1 year ago

Since my build was screwed closed and included an insane amount of LiPo output and jet power. I used a XTC connector as an external safety shunt to be able to pull the power from it while the scouts were looking at it. The rear button was connected to reset, and the led of the button was used as the indicator.

Rejy3 commented 8 months ago

This is my first project with any type of Arduino or sensors and like the original comment said, a circuit or more detailed explanation on how to wire everything together would be of great help. Thanks!