[Elecraft] Re: kit versus built

[Charles Harpole]

When I flew to Nepal both times taking squeeze keys.... the Vibroplex and the Bencher both arrived 
 
as a bag of parts.  The Nye was just fine both trips.... Vibration is huge on plane.  73Charles Harpolek4vud at hotmail.com > From: n5ge at n5ge.com> To: elecraft at mailman.qth.net> Subject: Re: [Elecraft] Re: kit versus built> Date: Thu, 27 Mar 2008 23:26:23 -0500> > On Thu, 27 Mar 2008 23:18:18 -0400, you wrote:> > >On Thursday 27 March 2008 03:23:10 pm John wrote:> >> >> My point was that if you get an assembled K3, factory > >> tested and ready to go, your chances of having a problem are about > >> zero.> >> > This, and others reports of SMD components not being soldered> >suggests that the boards are not fully tested.> > I've never heard of Lego components being substandard so that> >the robot can't be built.> >> >Ian, G4ICV, AB2GR, K2 #4962> > I once worked as a production manager for a company that manufactured and sold> electronic camera control equipment for the printing industry. This was in the> early 70's before everything was solid state. We had a "burn in room" where> after going through quality control, all of the equipment was turned on and left> running for 24 hours while setting on spring mounted shelves that were shaken> violently enough that the units had to be secured to the shelves. We did this> to simulate the vibration of shipping via truck and aircraft. We then checked> each unit for adjustment changes, etc. If they failed on the vibrator they were> repaired and sent back to the vibrator for another run.> > We never had a unit come back due to bad soldering or loose nuts and bolts> because the vibration burn in would find these troubles for us before we> shipped.> > It's possible that tested K3 units are suffering from vibration during shipping> which is revealing those anomalies that won't show up until after the units and> kits are subjected to shipping vibration. You might be surprised how much> vibration a cargo aircraft has during takeoff, landing and flight. Then there> are the cross country trucks and local delivery trucks that have a lot more> vibration in their cargo areas than an aircraft.> > Tom, N5GE - SWOT 3537 - Grid EM12jq> > "They that can give up essential liberty> to obtain a little temporary safety > deserve neither liberty nor safety."> > --Benjamin Franklin 1775> > > Support the entire Constitution, not > just the parts you like.> > http://www.n5ge.com> http://www.eQSL.cc/Member.cfm?N5GE> > _______________________________________________> Elecraft mailing list> Post to: Elecraft at mailman.qth.net> You must be a subscriber to post to the list.> Subscriber Info (Addr. Change, sub, unsub etc.):> http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm> Elecraft web page: http://www.elecraft.com