Monthly Archives: September 2009

what is the best 700c carbon composite wheels brands name a few plaease ?

look above I use the Shimano Dura-Ace WH7850 Carbon Clincher – it is a true composite wheel with an Aluminium braking surface, it comes highly recommended. Weight 1380g for the pair! Hope this helps. .

Posted in carbon composite | 4 Comments

Calculating whether A is a quadratic residue mod N, N composite?

I know the Jacobi symbol is typically all we can work with for composite N when attempting to discern whether a given residue A is a quadratic residue mod N. However, what if we have a composite N with a … Continue reading

Posted in composite properties | 1 Comment

Identify the bolt’s material family: metallic, plastic, ceramic, or composite material?

Identify the bolt’s material family: metallic, plastic, ceramic, or composite material? Your decision should be logically explained in terms of your general knowledge of the primary characteristics of the different classes of materials. Therefore, you should not just state that … Continue reading

Posted in composite manufacturing | 4 Comments

How do I find the second moment of area of a composite sandwich beam?

The facesheets are graphite epoxy and the core is foam. I already know the material properties. I’ve looked in every single mechanics book I had from school and on google. I cannot find a single link that details the process. … Continue reading

Posted in graphite composite | 2 Comments

what is stock index composite?

basically what is stock index composite anyway. what do people look for from this index composite? A stock index is, essentially, way of a tracking the performance of a portfolio of stocks. For instance, the Dow Jones Industrial Average tracks … Continue reading

Posted in composite stock | 1 Comment

How to remove a broken composite connector from Logitech subwoofer?

This may be a difficult proposition. I have managed to break off a composite cable for the Logitech X-540 inside the subwoofer, which is also the main unit. I haven’t been able to pull it out because it is in … Continue reading

Posted in composite | 3 Comments

How do I remove rust stains from my friend’s marble composite material?

This material is to be used to make serving trays. The material looks like it is marble chips/ dust glued together. I am not an expert at removing stains from stuff, but here’s an idea…..try a Magic Eraser by Mr. … Continue reading

Posted in composite material | 4 Comments

I am looking for a good science fair project title for a project testing the strengths of composite materials?

The materials tested include… resin, carbon fiber, and fiberglass I need a catchy project title.. please help.. thank u so much Composite Materials: mixing many makes mighty! Carbon backbones make you stronger. How to make Carbon as strong as steel.

Posted in composite materials | 1 Comment

Does anyone have a solution for removing black mildew stains from solid composite decking?

The decking is less than a year old. The decking looks like a black spotted leopard. The spots are over the entire deck. We have tried cleaners made for cleaning composite decking, power washer, other mildew removers, all with no … Continue reading

Posted in composite decking | 6 Comments

Is there an alternative fuel that has Isotope with Boronic and Vanadium composites?

I am faced with dilemma to ration and stretch fuel the homemade way to get a 95 octane for environmental restraints and Federal Guideline constrictions. Unless you have an SR-71 blackbird (if you did I’d be jealous) you really don’t … Continue reading

Posted in composites | 2 Comments