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sexta-feira, 7 de junho de 2013

Re-inventaram a Roda! E uma Dremmel de Luxo, Estéreo de Bolso, e mais CAM em vesrão de teste

Tinha de acontecer, re-inventaram a Roda!

Esta nova Roda, apesar do seu aspecto, roda sempre a direito, porque a todo o momento, a perifieria em contacto com o solo, está sempre à mesma distância do eixo, que uma Roda Normal.
Como maximiza o apoio, minimizando a superfície, roda mais fácilmente... Incrível. 

É uma Invenção Bacana!



 

Shark Wheel literally reinvents the wheel, at least for skateboards

Dave LeClair

A company called Shark Wheel is aiming to reinvent, well, the wheel. Instead of the conventional circular shape we're all familiar with, this new skateboard wheel is based around a cube shape. While this might seem illogical, the company claims its new wheels ride smoother, faster, and offer better grip than traditional skateboard wheels.
The wheels are based around a shape that fits inside a cube. They aren't quite a square, and aren't quite circular, but are made up of three strips, each of which create a helical shape when they roll. This forms a sine wave pattern where the wheels make contact with the ground.
The creators say this results in less friction points on the ground to allow the wheel to roll faster than a traditional skateboard wheel and also allows for better handling in rough and wet terrain, which causes problems for normal wheels.










Uma Dremel de Luxo!
Eis uma Dremel para ter tudo, 128 acessórios, numa só Mala, e de Alumínio, para fazer inveja àquele pretenciosos "Colegas" que há sempre uns assim, em qualquer grupo de Engenhocas...  
E corta Aço, que é um descanso...





Dremel 4000
 
O Dremel 4000 Platinum Edition é o derradeiro kit de multiferramenta da Dremel. Para além do Dremel 4000 topo de gama com tampa com ponta EZ Twist, obtém 6 úteis multifixações e 128 acessórios Dremel genuínos, todos embalados numa mala de ferramentas em alumínio de alta qualidade.








Eis algo bem prático, um Amplificador Estéreo portátil, e podem vocês fazê-lo, que dá sempre jeito...




Pocket Stereo Amplifier

 drac5290
 
a while a go i came across this instructable: Rechargable pocket sized amplifier
a
nd loved the idea of a pocket sized audio amp but was disappointed but its lack of capability, namely only using mono amplification and only having 1 output option
hence the idea for the stereo amplifier was born
doing a little digging on  amplifier IC's I found the LM 386 a mono amplifier ic with some extra capability's like bass boost and 200 times gain settings (but more on those later)

So how do you take a Mono amplifier and make a stereo? easy, stack 2 side by side

this amp also contains 3 output modes: internal speakers, external 3.5mm jack and RCA












E para que não vos falte nada, eis mais uns Programas, desta vez, CAM, que podem testar antes de comprar, um só ou todos eles, o preço é o mesmo!





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MecSoft CAM systems
One-size-fits-all budget-friendly CAM approach

Standalone or integrated – the price stays the same
If you want to use your CAM as stand-alone application or fully integrated into Alibe Design, Rhinoceros or SolidWorks: Features and price stay the same – very favourable.
  • CAM system for 2 - 2,5 - 3 axis milling: 1.250,- €
  • CAM system for 2 - 2,5 - 3 - 4 axis milling: 2.495,- €
  • CAM system for 2 - 2,5 - 3 - 4 - 5 axis milling (indexed): 4.995,- €
And before you go all-in – try it out for free
Download the demo products for evaluating the capabilities of our products. These demo products are free of cost and do not require any additional security devices, such as hardware keys.
By the way: The free FreeMILL is included in EVERY testversion!












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