PDR

All clear now you work for a company ripping us tax payers off sorting out military machines.Nice work if you can get it. I do not fit illegal parts to any of the 20 odd machines my company has owned over the years. Here is an example for you and this is factually true. A certain UK manufacturer was asked by UK Mil to fit a USB plug to a certain type of UK Mil helicopter. The manufacturer purchased Belkin plugs from a certain high street retailer for under £ 5 each, they put one of their certificates on it and charged us the tax payer £ 350 for it. So most of what you say is utter bollocks I am afraid. You really need to go and speak to the people who actually pay the bills for the !!!! quality product we have to put up with.
Another example for you, one type of my machines has got through 4 voltage regulators in 4 years. Having had cars for over 35 years and I drive 25k a year i have never had a voltage reg fail. The cars are not mollycoddled like helicopters have to be. It really is not a difficult we are not flying space shuttles !
Another example Allison compressor wheels you wouldn't believe what they cost to make compared to what Rolls Royce sell them for ( incidentally the PMA boys can make them out of better material and half the cost of RR)
As you probably aware you are in a minority position here

PDR,

You complain that other posters are "playing the man rather than the ball". I suggest you re-read the whole thread and see who is most guilty of that. It's yourself.

Secondly, you are trying to teach people how to suck eggs and keep going round in circles, repeating yourself. Again, as someone who depends on all parts on the aircraft I fly for a living (I'm responsible for direct liaison with our maintenance company on a very regular basis) I am fully aware of the reasons for certification. Thankfully, I'm not responsible for paying the bills for maintenance so I have no personal reason to even countenance the thought of non certificated parts being used.

I'll repeat what I wrote before because it appears you didn't quite understand. No one here has stated that they would fit non certificated parts to any aircraft. But people who do pay the bills understandably sometimes question the huge cost of the certification process. It appears that some manufacturers think of the actual cost and move the decimal point to the right a couple of places.

I don't know who Tim Lancaster is.

Having dismantled some electrical\electronic components from aircraft I am surprised at the poor design, component quality, & build, we built cars for the rally championships for over 20 years in another business & I say that a alternator & most electrical components in WRC cars are built to be as light as possible & reliable, as to the operating environment you are correct there is no comparison, under bonnet with turbo engine heat, 120MPH over rocky terrain, through water & mud for starters then the heat cycles.
Personally I think you are just here to wind people up

PDR

You really don't work in our industry do you.
Belkin example, there was no investigation or anything done to it other than a generation of a piece of worthless paper, that is A FACT
I can give you loads of examples of !!!! manufacturing that is positively dangerous and guess what nothing is done about it by the regulators until people are killed.
I guess 500e is right you are a wind up merchant. I can stand by everything that i Have said with facts, can you really ?

Wow. What an unhelpful pi**ing contest this has turned out to be.

Some people observe that aviation part costs appear to be woefully inflated, and someone else points out that in some cases the costs of certification may account for some of the difference in price.

The latter side accepts that there may be examples of unwarranted padding of prices, and the former side accepts (without actually saying it) that there may be costs of certification.

I think we're done here ...., apart from Dunning-Kruger - Really ?

I've said nothing of the sort. Before you make allegations read what is actually written and by whom. Play the ball, not the man.

PDR
I have no objection to certification of anything, what I object to is the manufacturers being in a position to rip the operator off, with the excuse it needs to be manufactured to a high tolerance and needs to be certified
What you don't seem to see is that when companies like mine give up because we can't make a profit then guess what your jobs start to disappear.

Some of the examples I have given show there is no justification for the sheer expense
1. Steel tube on a 269 in 2009 it was $790 in 2016 it is $ 1390. Now forgive me but that part was designed 60 years ago and has not been changed. The real laugh was it had to go back as the manufacturer had drilled the holes in the wrong place. So much for paperwork !
2. 269 Pitch control now this is a serial numbered part, cost $ 3700. It came with a nice 8130-3 ( yes not an authority to fit ) but guess what, it wouldn't slide on to the output shaft because it had been made wrong
3. 369 main rotor blades have a habit of cracking the FAA answer ( along with EASA ) just check them every 200 Tq events and that will be fine. My quality manager is ex Jag/Landrover quality manager. As he said if this happened in the automotive world there would be an instant recall on all products with a redesign . But aviation oh no we will just look at and hope that catches the problem before the blade comes off.

I could go on for ages but ............

As to the usb I can give you the guy's name at said company but not on a public forum
Have fun I have to go and fly one of these things now