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B9Creator Sales The B9Creator™ can build objects as large as belt buckles or as detailed as a tiny filigree ring, with precision typically possible only on machines costing three to five times as much. In addition, because DLP technology exposes an entire build layer at a time, total build times for most objects is normally between two to five times faster than other comparable technologies. Another unique advantage of this system is that the output resin, unlike that of photo-polymers in general, is proven to be directly castable when cured properly. The ring (at right) was created in Rhinoceros and printed on the B9Creator, the first of a three-ring set. This promise ring was created with a gap in the design at the top to accommodate the crown of a Claddaugh-type ring that will be the engagement. The B9Creator™ will be initially offered in two versions, as a kit which will require user assembly for US$2,990, and as an assembled machine including some consumables and extra parts for US$4,995.

Biogas - How to turn that waste gas into useful energy | Biogas typically refers to a gas produced by the biological breakdown of organic matter in the absence of oxygen. Biogas originates from biogenic material and is a type of biofuel. Biogas comprises primarily methane and carbon dioxide. Biogas is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste, plant material and other energy crops. These are a perfect addition to any self sufficient homestead, ecovillage, intentional community, etc… The gases methane, hydrogen and carbon monoxide can be combusted or oxidized with oxygen. Biogas is produced by anaerobic digestion. A common name used in small-scale applications is the Biogas or Methane Digester. Watch this video for a simple DIY model - There are many simple designs of DIY Methane/Biogas Digesters. And here’s a whole slew of FREE ebooks on Biogas Production - Biogas Plants in Animal Husbandry Biogas Systems in India Build Your Own Biogas Generator

100 Amazing How-To Sites to Teach Yourself Anything | Rated Colleges Posted by Site Administrator in Online Learning May 7th, 2009 Learning new skills and expanding your knowledge doesn’t have to cost you an arm and a leg. There are loads of free resources on the Web that can help you find instructional videos, tutorials and classes to learn a wide variety of skills from fixing basic car problems to speaking another language. General Tutorials These sites offer a wide range of tutorials and videos. Around the House Want to know how to fix that broken cabinet or hang up some great wallpaper? Business and Management If you feel like you’re seriously lacking on business and management skills at work, no need to worry. KnowThis? Language and Writing Those who want to learn a new language, improve their writing skills or just learn more about literature will be well-served by these instructional sites. Technology These tech-focused sites offer help to both technophiles and beginners alike. actDEN: Never learned how to use Microsoft Excel? Math S.O.S. Science Creativity

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B9Creator - A High Resolution 3D Printer by Michael Joyce Color Voting Update - 06/11/12 at 6:11 AM MST The Voting is Over, we have a winner! Black - 32, Blue -11, Clear - 9, Red - 2, Gold - 2, Green - 1 Right from the beginning I wanted the B9Creator to be different. Anodized aluminum construction, stainless steel hardware, many thoughtful features that enhance normal operation... all these things set the B9Creator apart from the DIY 3D Printer herd. But when it comes to printing complex, detailed and fragile objects, this is where the B9Creator really shines bright! DIY 3D Printers based upon the Fused Deposition Modeling (FDM) concept simply can not match the higher resolution capability of the B9Creator. How about speed? "But how much does that resin cost?" As you will see below, the project development is already well along and is about set for production. So... (Eiffel Tower model printed at 100 micron resolution) I began working on this concept last fall. (Working on resin development) (Trying out different ideas) More images...

HVP moteur stirling diesel turbine thermique peltier sebeeck recyclage huile vegetale pour moteur diesel Pour les sites isolés de EDF ou les autres on peut produire du courant avec un groupe électrogène fonctionnant à l'HVP .On peut tirer 3kWh/litre d'huile. DIESEL: Le plus simple et le moins cher serait d'utiliser une génératrice 24V montée sur la poulie de la clim de la voiture roulant à l'HVP ou acheter un groupe 24h en occaz mais ça reste d'un coup élevé. Il existe en INDE de vieux modéles à 850 trs/mn, dont l'adaptation à l'huile a été validée par une école d'ingé ESEM. MOTEUR A ESSENCE Faire tourner un moteur 2 ou 4 temps à carburateur avec des vapeurs d'huile préalablement chauffées et mélangées à l'air avec la chaleur de l'échappement. MICRO TURBINE THERMIQUE Utiliser un turbo de voiture comme génératrice. MOTEUR A VAPEUR De nombreux anciens modéles sont en vente. STIRLING Moteur silencieux , rendement jusqu'à 40%, entretient négligeable, technologie peu coûteuse. A piston rotatif WANKEL le plus ancien et abouti.. Si vous avez d'autres idées à développer je suis preneur merci