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Helicopter 'Apache'

Posted by chriske 
Helicopter 'Apache'
March 22, 2017 03:06AM
Hi,

This one is for the kids...although...winking smiley
To have this chopper working I needed six ball-bearings 3x7x2.5.. I also needed a smooth rod 3mm diameter, 4 batterie-holders, and a switch. 2 rubber bands. Also 2 small gears. Electromotor runs on 1.5 to 4.5 volt. I have it running at 3V, which gives me about 800rpm for the main rotor. Batteries used are 1.5 AA size.
All bolts and nuts are M3.
[www.thingiverse.com]
Attachments:
open | download - Helicopter-Apache-1.JPG (106.9 KB)
open | download - Helicopter-Apache-2.JPG (101.3 KB)
open | download - Helicopter-Apache-3.JPG (59.7 KB)
open | download - Helicopter-Apache-4.JPG (112.1 KB)
open | download - Helicopter-Apache-5.JPG (129.8 KB)
open | download - Helicopter-Apache-6.JPG (98.4 KB)
Re: Helicopter 'Apache'
April 05, 2017 05:33PM
Pretty cool but I think not a great kids toy. Spinning that fast it will do a lot of damage to a child who gets hit by the rotor or tail rotor trying to turn it off.
Re: Helicopter 'Apache'
April 06, 2017 03:09PM
Paper weight
with schredder?

No blade control -- no flight

confused smiley
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