Canal de qwerty9321
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1-10 of 42-
Ana Maria
qwerty9321
14 views
Wayne Shorter´s composition with an unusual esquisite harmony.
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Tarde (de Milton Nascimento e Marcio Borges)
qwerty9321
41 views
Mais uma belissima música do Milton
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Kika curtindo atentamente um violão.MPG
qwerty9321
84 views
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Kika, a paulistinha
qwerty9321
39 views
Kika não quer saber de brincadeira.
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Telescope mirror edge repair
qwerty9321
638 views
This and many other blanks I have came with a very irregular edge, I built this machine to grind and made it perfectly circular, and also make a bevel on the surface side.
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DiamondGrind2.avi
qwerty9321
6,363 views
A fast way to generate the curve for a telescope mirror using a concave diamond saw. This saw already cut three 16" mirrors, a new one can spend about 15 minutes.
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Thin mirror making drip system + avoiding astigmatism
qwerty9321
4,363 views
This is a 18mm thick quartz mirror, diameter 37,5cm. It´s a dificult proportion, but as the quartz is very hard, it may work.
The drip system consists in a cheap GE Versa...
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Weird blinking light in the sky
qwerty9321
2,912 views
It appeared in 2010, january, 5th in Arraial do Cabo, Rio de Janeiro and was filmed in 1080p, cloudy sky. The most intriguing is that some times a second light appears like...
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El-Cheepo lathe DRO
qwerty9321
7,811 views
With 5 strong magnets (1/2 SKU-10305 - $2.13)and a 150 mm caliper (SKU-2306 - $14.98) from Dealextreme.com, total US$17.11 you can improvise a simple DRO for your machine.
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Cutting a square teeth worm gear
qwerty9321
23,280 views
Hob was made with the technique explained by user Hobbynut on his videos series "Home made Gear cutting Hobs". On this case a square helical cut was made on the hob that wi...
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