Can anyone remember what desperate Dan used for shaving?

I know it was something wierd but cannot remember what.

I do remember Burt Munroe (The World Fastest Indian fame) using a grinding wheel in an electric drill to do his big toenails.

Martin

Sorry – can't help, I come from a long line of wet shavers.

But I do remember the smell you mention from when I did try an electric shaver, many many moons ago, when I, and the world, was young. Put me off rather.

On the basis of a) having to avoid EMI and b) pleasing SWMBO, the second being by far the most important considering the need to get Shed Capex Spend passed in the future amongst other considerations, I'd change to wet shaving as the easy way out, no worries option, personally. Simples!

Remember KISS!

Chris

Hi Sam

I think the problem is that nobody wants to give advice because of the possible poor outcome if they get it wrong, for me I am cautious on occasions and this is such a time.

Good luck with your search for some definitive information.

Emgee

Is this the sort of shaver with a rotating motor , using carbon brushes like the old ones did. If so the smell is usually the brushes getting worn down. Then they arc, causing interference with electronics. Just keep calm & carry on. ZZZZZZZ.

Steve.

Ha ha yes I remember them. One of them . The guy said I liked it that much I bought the company. Vibrating / oscillating magnet.

Steve.

I always work late. Unfortunately I am a nocturnal person. Should have been born a cat.

Steve.

another late night cat.

Steve.

Blowlamp comes to mind and once shooting beard hairs off with a pistol??

pgk

Mains or battery shaver does not matter, they can both cause interference.
To answer the original question, wrapping the shaver in aluminium foil is not a reliable means of reducing intterference. This is mainly because it will not provide reliable contact, even with itself. It might even form a resonator making emission worse for specific frequencies or directions. Covering the razor with self adhesive copper foil, soldering all the seams and providing a ground connection would probably help, but without making measurements you cannot be sure.
An isssue with modern implantable medical devices is that many have a "remote control" capability sometimes with an antenna remote from the device. This makes them more vunerable to interference.
This is a classic case of safety probability / impact assessment. The probability of emissions causing problem is low (probably "extremly remote,10-7 in safety terms) but the effect is catastrophic (death) so additional precautions, keep emitters away from device) are required to bring the probabilty dowm to an acceptable level (<10-9).
Note that on another threads on VFDs I have commented on the need to fit proper EM/EMC filters. Your device is one reason for this so please take care aroung machines with electronic speed controls particuarly DIY set-ups.

Note that the interference drops with the square of the distance, doubling the distance reduces interference by 4, so knowing were the device an any antenna are would allow for a better judgement to be made. If they are in the neck/head then electric shaving is a no-no, if they are in the abomen then you could make a judgment call.

As a professional engineer involved in EMI/EMC I can only recommend you follow the advice given by the device manufacturer and your medical specialists.

Robert G8RPI.

+1

With my amateur radio hat on I can confirm wrapping stuff in Aluminium Foil doesn't work. I've tried all sorts of bodges in hope of fixing EMI and RFI problems, and, though some helped a bit, none were reliable. It's easy to make the problem worse. It's a problem where effective counter-measures have to be properly engineered. With EMI there's very little room for shortcuts and folk-remedies!

Is this a workshop opportunity? How about replacing the shaver's electric motor and battery with a pneumatic system based on a Sparklets CO² cartridge?

Dave

I suspect this is an entirely over-hyped thread. Thousands of people with pacemakers get by living fairly normal lives.

When I worked in the precious metals industry, we were simply advised to keep away from induction furnaces and the like. Electric shavers are at the far end of the spectrum. Microwaves , ANY electric motor, VFDs, ultrasonic welders or cleaners, etc are far more likely to interfere, I would have thought.