You'll have to counsel the Etek people then. Peace out.
-----Original Message-----
>From: Chris Tromley <[EMAIL PROTECTED]>
>Sent: Jul 18, 2007 9:07 PM
>To: ElectricMotorcycles <[email protected]>
>Subject: Re: [ElectricMotorcycles] Fw: Re: Throw another Etek on the barbie
>
>On 7/18/07, Jeff Blamey <[EMAIL PROTECTED]> wrote:
>> Mechanical connections, such as twisting, clamping or crimping then
>> soldering is SOP for electrical connections that stand the test of time.
>
>Just to make sure we're clear on a subtle-but-critical point, you're
>right - soldering components to a PCB or joining wires is indeed
>making a mechanical joint. But if that joint is then subjected to
>significant physical force (beyond simply keeping a component from
>falling out), then some other means of retention is needed.
>
>Any time you see electronics in a high shock or vibration environment,
>the big components are always retained using adhesive, clips,
>through-hole fasteners, etc. Solder should only be used to make a
>complete and reliable conductive path between two otherwise separate
>points in a circuit. In your examples above it's the twist or crimp
>that should take the physical loads. The solder's primary function is
>as a conductor and corrosion inhibitor for the joint.
>
>For small components under virtually no load? Sure, use nothing but
>solder to hold them in place. It's a tried and true method. For
>copper bars spinning at 3000+ rpm on a ~7" diameter while carrying
>large currents? No way. They need other support.
>
>Chris
>
