Instructables

DREMELCOPTER w/ short movie clip

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Behold the "DREMELCOPTER", perfect gift for the guys at the shop to share for break time, too bad I didn't finish it in time for Christmas. It's kind of a spin-off (no pun intended) from my Convection powered, counter rotating, kinetic sculpture. Originally I hadn't planned on using a Dremel tool for power, I was going to cannibalize an old r/c car for the motor and speed controller, radio and servo. I forgot that I donated all my r/c stuff to the machine shop of a community college a few years back.



   This baby can launch a 5 inch diameter fan well over a hundred feet up. The wind can make for lost fans too, already lost the first two on it's maiden outdoor launch session.
The first test launch was conducted inside my shop. My intention was for it to be a very slow speed launch to check if the spindle would disengage from the drive properly. The Dremel was on slow speed but the fan wasn't. Two flourescent tubes later the second test launch, this time holding my hand a few inches above the fan because I had no more spare flourescent tubes, glad I wore a glove. Check back soon cause as soon as the wind stops I'm goin' outside with a video cam!



   BILL OF MATERIALS:

12"x12"x1/8" birch plywood
5-1/2"x15"x1/4" poplar
8"x8"x1/4" MDF
6"x6"x.037 birch plywood
3ft. length of 1/4" oak dowel
1-1/2"x1-1/2"x1/16" aluminum flat stock
1/8"x2-3/4" soft copper tubing
3pcs. 1"x1/4" self adhering rubber pads
3pcs. #6x3" FH machine screws, nuts and flat washers
1/8"x 2-1/2" steel round stock (I cut the shank from an old drill bit)
Dremel tool
Titebond lll wood glue
masking tape


TOOLS USED:

laser cutter/engraver (all of the wood parts in this Instructable were laser cut)
wire feed welder
ruler
needle files
router table/drum sanders
Dremel tool w/ drum sanders, cut-off wheel, carbide burrs
1-1/2" hole saw (I added a cut in the drawing file, so this is no longer needed)    
countersink bit
tri-square
vise grips (swivel pad)
small paint brush
pencil
sand paper
Scotchbrite pad
5/16" wrench
flat screwdriver  
   
 
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azharz1 year ago
Very nice concept.
pkmn3 years ago
(removed by author or community request)
PDRWLSN (author)  capatana2 years ago
Just too many trees in my neighborhood.
jgaming2 years ago
joburi gaming

C
an you upload a PDF of the drawing, it will really help.
PDRWLSN (author)  jgaming2 years ago
There's already a PDF file.
turbobug2 years ago
I like how you labeled the photos wish there was better way to to do that like actually having a label photo function
will0w2223 years ago
how do you plug it in wile its flying
the dremel itself doesnt fly, just the propeller. Its like one of those toys where you pull a string and a fan flies up
budabob073 years ago
lol thats hilarious. Nice build too, I want one!
agreed, hilarious, and it also looks like a lethal weapon, the way it flew into the ceiling....
i haven't seen a video of this, but is this one of those Pull-String Helicopters or the helicopters that are a prop and a stick with the grip; but in dremel tool spinning form?
PDRWLSN (author)  Flying_MashedPotatoes3 years ago
There's a video attached, were you not able to veiw it?
Highly recommend uploading a copy to youtube (or other vid site) -- keep the copy here, but to lighten the bandwidth burden on ibles, and make an embeddable object -- 2 of my 3 video players wouldn't play your wmv file.
dombeef PDRWLSN3 years ago
It just shows me a green screen
oh, i didnt see the attachment...usually people have it on youtube or another video site.
I'm gonna make my fins like the osprey military aircraft's. Well as close as I can get.
PDRWLSN (author)  chemicalvamp3 years ago
I would recommend either a rim around the blades or have them balanced. Building something from wood that accelerates as fast as this can grenade itself if you're not careful with the design.
Graver3 years ago
I would like to make a copy of your project but can't open the corel draw drawing. seems that my old computer isn't up to the task. I tryed to download a free version of corel draw. That didn't work for me. How about a PDF of the drawing that can be opened on any computer.
PDRWLSN (author)  Graver3 years ago
Done.
PDRWLSN (author)  Graver3 years ago
I'll add PDF, DXF and DWG files in a few minutes.
DieCastoms3 years ago
I, at one point in time, had two items that did not work: a dremel with a burnt-out/damaged speed control, and a lamp with a smashed socket and a dimmer knob in the base. I discarded most of the lamp but kept the base and power cord and dimmer, and mounted a 110 receptacle in the base. I took apart the dremel and discarded the speed control and replaced it with a piece of tin cut from an old computer case. The dremel was locked at full-power, but the lamp base's dimmer would let me control the speed from nothing to full. It worked out very well. You could use a similar device to finely control your dremel to much lower speeds.
PDRWLSN (author)  DieCastoms3 years ago
The fan launches best and most reliably with the Dremel at full speed, but I'm still going to use your idea to power my workbench Dremel. Thanks
lemonie3 years ago
Do you have a video?

L
PDRWLSN (author)  lemonie3 years ago
Again sorry for the delay, still too windy. Here's a short clip taken indoors.
lemonie PDRWLSN3 years ago

That's impressive, thanks.

L
PDRWLSN (author)  lemonie3 years ago
The wind is blowing with 30 mph gusts right now, will take a video when the wind stops.
Also seconded.
gmjhowe lemonie3 years ago
Seconded.
Can't wait to see it in action!
PDRWLSN (author)  Weissensteinburg3 years ago
The wind stopped this evening, I'll post a video tomorow.
Any word on that?
PDRWLSN (author)  Weissensteinburg3 years ago
Sorry for the delay, it's been too windy to launch outdoors. Here's a short video taken indoors.
I think you forgot the video :)
PDRWLSN (author)  Weissensteinburg3 years ago
It's in there just after the drawing file. WMV
Very cool, thanks
Lol thanks for the safety warning, I gotta try this.
PDRWLSN (author)  chemicalvamp3 years ago
I've got some tweaks for you if you want them get back to me.
chello2k93 years ago
does it fly? that is the question
PDRWLSN (author)  chello2k93 years ago
Check out the short clip taken indoors.
MTJimL3 years ago
Perhaps using only two or three fan blades, reducing the blade pitch, or adding weight will make finding the fan more likely.
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