Uploaded May 2016 | Updated September 2026, 2 weeks ago
This is a simple propeller based flying toy. It has a motorized launcher. This toy helps makers to understand flying concept of toys, how propeller works, what angular bend of each blade gives better performance etc. When the toy is in rest, all the propeller blades are folded down. The launcher is nothing but a rotating pipe with a simple locking mechanism. When the propeller is place on the launcher and the motor is switched on, because of angular velocity the blades get starched. Locking mechanism allow the propeller to rotate fast. When it achieved high velocity, it lifts off .
This is a simple propeller based flying toy. It has a motorized launcher. This toy helps makers to understand flying concept of toys, how propeller works, what angular bend of each blade gives better performance etc. When the toy is in rest, all the propeller blades are folded down. The launcher is nothing but a rotating pipe with a simple locking mechanism. When the propeller is place on the launcher and the motor is switched on, because of angular velocity the blades get starched. Locking mechanism allow the propeller to rotate fast. When it achieved high velocity, it lifts off .
![Amazing calming, relaxing meditation Video and Music – for Sleep, Study, Relief- [Meditation]](https://i.ytimg.com/vi/KCXxaV5b1A8/mqdefault.jpg "Amazing calming, relaxing meditation Video and Music – for Sleep, Study, Relief- [Meditation]
This amazing video help to get relaxed. It is helpful for sleep, meditation, yoga. Its is really an anxiety relief solution. Just connect your headphone and listen the smooth clam music. You can watch the video to get de-stressed. Now a days we all need it. Useful to do yoga also.
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#Meditation #Relaxation #Yoga")
![How to make a VR headset using easily available lens at home [Brainergiser]](https://i.ytimg.com/vi/KCbHyw1j_XQ/mqdefault.jpg "How to make a VR headset using easily available lens at home [Brainergiser]
This is an easy to make VR headset. You can use any easily available convex lens to make it at home. I have used toy binocular lens. If the focal length is low, like 35mm to 50mm then performance is good. However those are not easily available. So use lens from small magnifying glass or toy binocular. Those are having focal length of 100mm to 120mm. So the thickness of the VR headset will be approx. 0.9 x f = 90mm.
Make you own, and have the experience of 3D video at your fingertip. You will be very much exited with 360 degree videos available in YouTube.
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