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643 views • September 29, 2021

The Engineering Complexity of a Simple 3D Printed Air Blower (Making Experience)

DIY Perspective
DIY Perspective
It is not magic, it is only a 40W DIY air blower that moves a lot of air and FAST! I doubted if I should make a video about it, but it is pretty useful in some cases and so much fun to use, so why not. I spent way too much time designing and testing it, haha. R&D just swallows the time like nothing, it is crazy. All parts are easily 3D printable. It uses 12-24V K215Y 390 motor and some basic fans. If it is hard to find the exact parts locally there is only one option - to ship directly from China. I tested bought propellers, 3D printed propellers and compared them in this video. I also ordered a 322W 64mm RC EDF motor just for the LOLZ to test, I love testing stuff, what can I say... At first, I designed it only for Dewalt 18-20V batteries, but later I also made it for Milwaukee M18 and Makita LXT 18V batteries. IMPORTANT! Makita will require you to buy an original spare part to make it work! Part number - 643852-2. More info about it: https://www.thingiverse.com/thing:4459529 Meanwhile, on Dewalt and Milwaukee, you can just use 6.3mm male spade terminals to make contacts. You can find all the files and more details about this project on my Patreon page - https://www.patreon.com/posts/54463733 There I also make post-project updates/mods/improvements, behind-the-scenes projects, and more other little stuff. Thank you so much if you decide to support my work! ❤️ 00:00 - Blower V1 00:28 - Blower V2 00:38 - Intro 00:50 - Design, decisions, testing 03:21 - 3D printed parts 03:49 - Assembling 05:54 - Test setup, fan blade tests & results 08:41 - Fan design is not easy 09:09 - Going MAD 09:19 - Uncut blower shots 10:03 - EDF at 322W Provided links are affiliates. You can buy anything through them with no extra cost to you and support my work, thank you! ❤️ Main Tools: - 3D printer https://amzn.to/3syckJk - 12V drill https://amzn.to/2U5QQmL - Soldering kit https://amzn.to/2X0eCVq - Multimeter https://amzn.to/3bLuEIx - Wire strippers https://amzn.to/2ZR3KJp - Cutting pliers https://amzn.to/3qTLNWC Main Components & Materials: - 90mm propeller - https://s.click.aliexpress.com/e/_A20TXw - K215Y 390 motor - https://s.click.aliexpress.com/e/_9ACXWY - PWM controller 4.5-35V - https://s.click.aliexpress.com/e/_9iDMoo - Switch 16mm - https://s.click.aliexpress.com/e/_9AgOQM - Small drill bit set to make propeller fit - https://www.aliexpress.com/item/4001055672258.html (You need 2.2mm bit) - 2x Spade male terminals 6.3mm for Dewalt, Milwaukee, and spare part 643852-2 for Makita - 2x M2.5x6mm pan head bolts - 2x M3 wide washers - 2x M4x8mm inserts - 2x M4x25mm pan head bolts - 2x M4 washers - 6x 3x10mm flush head screws - 4x 4.2x6mm brass inserts - 4x M3x10mm flush head bolts - Wires You can follow me: Instructables: https://www.instructables.com/member/diyperspective Instagram: https://www.instagram.com/diyperspective #blower #3dprinting #DIY
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