[time-nuts] how to open a Trimble mushroom ?

Oz-in-DFW lists at ozindfw.net
Sun Jan 2 15:04:31 UTC 2011

I've opened similar packages (Motorola PVT-6 antennas) up with
compressed air. 


The plastic can shatter and fire off a million splinters.  Probably into
you.  I wrapped the object of my attention in heavy canvas rolled up to
form a rough tube (to guide and baffle the pressure wave front) and wore
a shop apron and face sheild.  I used a rubber tip blow gun to (slowly!)
pressurize the package and it popped. 120 psi across a 6" diameter
package is a couple of tons of force.  It should separate. ;-)

On 12/24/2010 4:00 PM, Pete Lancashire wrote:
> More goodies from storage
> I have a few 'special' Trimble mushroom GPS's. I'm trying to open one up
> but can't seem to get very far. I've pulled all the tabs out but still can't pry
> the case open.
> They interface between the two sections doesn't look welded or glued.
> Here a couple picts
> http://petelancashire.com/gallery/main.php?g2_itemId=21208
> The data on these guys was trashed long ago when the company closed
> up. I could not locate it anywhere.
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