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I've just done an MSc project on inducting contractors into aviation maintenance organisations. To cut a very long story short: Use people doing the actual job to design a good induction; pace it, so it can be assimilated over days, weeks or months; start only with the absolute essentials...

Your first port of call for what you describe (civil aircraft) will be the aircraft manuals, specifically the wiring practices and hook up lists. There you should find the original wiring type specification for almost all wires on the aircraft wiring diagrams, excluding 'furnished' wires. The...

I would suggest you contact a manufacturer of TKT (or other kapton wire) re your specific queries, e.g.: http://www.carlisleit.com/v2/productDetail.asp?catid=1&serid=10&productID=20 (formerly Tensolite) Depending on your application and the specific installation, performance and regulatory...

"So is Polytetrafluoroethylene/Polyimide ... the dreaded Kapton?" Polyimide is the generic chemical description for substances which include Kapton (a trademark name). The most problematic Kapton wiring is just Kapton wound over the conductor with or without a paint overcoat...

rb1957 The datalink concept you suggest is being introduced in the 787, nevertheless significant security issues remain as raised by the FAA. http://www.flightglobal.com/articles/2007/09/21/216948/hackers-hardwalled-from-787.html The technology is therefore with us, but as with all such...

Can someone please give a basic formula for calculating the practicality of using a concentric tube counterflow heat exchanger for building heat recovery purposes. A customer would like to bring in fresh air and exhaust stale air from a room of around 250m2 size. This is not my area of...

Regarding silicone conductivity, that depends upon exactly which of the very many silicone fluids you're dealing with. Thermally conductive, yes, but many silicones are not electrically conductive and are in fact used as insulators. Generation of charge during transfer would depend on a...

Do you have an actual aircraft to work on or is this for something like an STC? If you have an actual aicraft, then ask the owner/operator to request the relevant drawing from Airbus. The same goes if you have a potential customer. The aircraft IPC may be able to give you some useful...

Do you know which composition/manufacturer of sealant it its? Has this been incorrectly applied (recently?) or has it migrated there though creep or being dislodged? If practical and safe, you might like to try softening it first with a solvent before trying again with air or water. For a lot...

Here are a couple of links obtained by googling canada scissor lift explosion proof http://www.aerialequipmentsearch.com/ http://directory.canadianmanufacturing.com/ then search hoist explosion proof I think there's a good chance that one of the dealers mentioned can help.

You can try here for starters. You don't say where you are, but this manufacturer can likely give you some dealer info. They supply technology for converting standard equipment into explosion proof equipment. http://www.pyroban.com/

Thanks, it looks like this article would be a good place for further info.

I'm researching the electroplating of Niobium on top of an initial electroplated finish (on a non-conductive base). As a method, I expect to use a molten alkali metal chloride solution. I can find some indicators of required temperature, but so far none on the 'electro' setup, i.e. potential...

I'm researching the elecroplating of Niobium on top of an initial electroplated finish (on a non-conductive base). As a method, I expect to use a molten alkali metal chloride solution. I can find some indicators of required temperature, but so far none on the 'electro' setup, i.e. potential...

A TDR is great if you have one. Not all MROs do. But great that you solved the problem. To MiketheEngineer. Without doing a very long post that goes way off thread, there are finally a lot of long overdue issues with wiring in tanks and aircraft wiring in general now being addressed. It will...

If the FIM says to Megger, then there should be a corresponding AMM or other reference on preparing the tank for such an operation (maybe even referenced in the FIM?) such that the safety issues are addressed. I agree that you are unlikely to be able to do a worthwhile repair, even by returning...

Are you talking about testing a loom installed on an aircraft with fuel in the tank? Do you not have an AMM to refer to for this? What is the a/c type? Remember that fuel vapour explosion risks relate to values of a number of factors, which if known and controlled can enable you to carry out...

You might like to try one of the products in the Dinitrol range. Some of these satisfy the demands and extreme environments placed on them in the aviation industry. http://www.dinitrol.com/ Alternatively, there are inhibitor-impregnated paper products available for wrapping directly onto items...

Thanks for the suggestions, regarding vitreous carbon, I have read it is quite brittle. Are different grades (with varying properties,) therefore available? Carbon fibre, though interesting, wouldn't be suitable for this application. On the zirconium oxide option, I'm willing to experiment but...

Can anyone help with the following brief? For a jewellery and decoration application I'm trying to find some ideas on a formulation for a black or grey (for aesthetic reasons,) non-toxic/irritant ceramic which is hard, preferably quite chip resistant (through droping,) and does not fail...