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Re: [Amps] Shipment of large old tubes

To: Pete Lancashire <pete@petelancashire.com>
Subject: Re: [Amps] Shipment of large old tubes
From: Patrick Barthelow <apolloeme@gmail.com>
Date: Wed, 21 Dec 2011 11:35:04 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Pretty good timing of an interesting News report on package delivery:
http://www.cnn.com/video/?hpt=hp_c2#/video/us/2011/12/20/pkg-moos-deliveries-gone-wild.cnn


On Wed, Dec 21, 2011 at 10:01 AM, Pete Lancashire
<pete@petelancashire.com>wrote:

> I use these guys
>
> http://www.shockwatch.com/impact-tilt/impact-indicator/index.php
>
> When I'm concerned about something I'm buying I send a couple shock watch
> labels
> to the seller. Twice I've received packages where RED's have
> triggered. RED is 50 Gs !!!!
>
> The best you will get is what you paid for it, if you got lucky and
> got a NIB 450TL for $10
> and it arrived broken that is the most you will get.
>
> UPS could care less, period.
>
> -pete
>
> PS I do have a shock tracker, it is a home brew 3 axis accelerometer,
> gps receiver, micro, etc. It records
> the time location and the 3 g's when a set point is tripped. You can
> buy records that dont have gps from
> few places, including shockwatch.
>
>
>
>
> On Wed, Dec 21, 2011 at 9:30 AM, Patrick Barthelow <apolloeme@live.com>
> wrote:
> > I googled  Aircraft Gyro   Shipping, and got a lot of relevant
> information,
> > including Service Ships for Aircraft  Gyros, perhaps one of the most
> fragile
> > instruments commonly shipped, in the airline Avionics business.   Some of
> > them had guidelines for shipping and handling of gyros.  Perhaps a call
> to a
> > big Gyro Manufacturer shipping department could name a shipping company
> that
> > successfully moves such packages..     Maybe a Sticker:   AIRCRAFT GYRO
> >  prominent on the tube package would generate more repectful handling...
> >
> > The huge drops that we hear about, should, I think be absolutely not be
> > tolerated by a CEO of a shipping company.  Maybe a write in campaign to
> the
> > CEO office could get some changes.   If someone had a Data collector that
> > continuously monitored G forces inside a package, and shipped on a
> suspected
> > abusive shipping company, they could precisely identify where the
> shipping
> > abuse was occurring.
> > Even better, install inside,  a micro camera with an outside the box
> view on
> > all three axes, and record the trip.  Use the G force meter to trigger a
> > camera on, with a dwell time to video related activity once tripped...
> >
> > Run these instrumented packages regularly to keep shipping companies
> honest.
> >  Maybe live shipping box webcams, on a site, assigned to the various big
> > shippers.
> >
> >
> > It would be interesting to have a data collector with two sensors; one
> just
> > inside the box, and one in the deeper packed cushioning. to see the
> > environment and G force Gradients in the box.    Someone must already
> done
> > this and published in open literature study results..
> >
> >  73,      Pat Barthelow;   AA6EG
> >
> >
> >> Date: Tue, 20 Dec 2011 09:50:38 -0800
> >> From: pete@petelancashire.com
> >> To: amps@contesting.com
> >
> >> Subject: Re: [Amps] Shipment of large old tubes
> >>
> >> You contents have to survive being dropped between 4 to 6 feet in
> >> afree fall. Impact can be any corner or side. For a shipment
> >> acrosscountry there will be at least one but I'd say two transfer
> >> pointsDoing the math
> >> 1 - local pickup2 - drop off at transfer center3 & 4 - pick up and
> >> move within transfer center5 - load into freight truck6 - unload into
> >> 2nd tranfer center7&8 - see 3/49 - see 510 - uload at your regional
> >> center11 - see 3/412 - load into local delivery13 - unload at your
> >> door/dock
> >> so take your box with your tube in it, and drop it 4 feet, 13 times.
> >> Ttoss it5-10 feet a couple times, then drop on top of it a couple
> >> boxes weighing70 lbs.
> >> On Fri, Dec 16, 2011 at 10:20 AM, Colin Lamb <k7fm@teleport.com> wrote:
> >> > A friend of mine called recently and told me he was cleaning out his
> >> > basement and sending me some of his old tubes.  One was a 250TH.  I
> got it
> >> > last night.  It was packed very well, along with other tubes.  The box
> >> > arrived with no damage.
> >> >
> >> > However, when I unpacked the 250TH, I noted that the metal stem above
> >> > the plate had fatigued, causing the plate to be loose inside the
> still good
> >> > glass.  I believe the damage was fatigue because the tube was laying
> on its
> >> > side, rather than being shipped vertical.  I recall a few years ago, I
> >> > shipped some old tennis ball Western Electric 205D tubes on their
> side.  The
> >> > top internal structure is supported by a vertical glass rod.  They
> were
> >> > shipped on their side and all had broken glass rods, even though the
> tube
> >> > envelope was still good.
> >> >
> >> > I expect modern tubes do not suffer this fate, and there is always the
> >> > problem that what is shipped vertical is not likely to remain vertical
> >> > during shipment.
> >> >
> >> > So, this is just a word of caution.
> >> >
> >> > 73,  Colin  K7FM
> >> > _______________________________________________
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> >> > Amps@contesting.com
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>



-- 
Best,  73,   Pat Barthelow,  AA6EG  apolloeme@gmail.com
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