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Unmanned Spaceflight.com _ Venus _ where are these parts on pioneer 12?

Posted by: ncc1701d Sep 27 2006, 01:18 AM

Hi,
Can someone please help me identify what these items are that are on pioneer venus?
I attached pic with green arrows pointing to the unknowns.

I think its the OGBD
atmosheric propagation experiments but i am not sure and not sure if when fully installed if they both should look the same from the exterior.
thanks

Posted by: AlexBlackwell Sep 27 2006, 01:59 AM

Does this help?

Posted by: ncc1701d Sep 28 2006, 09:57 PM

I apreciate the thought. If it doesnt help you it doesnt help me. ...iam kidding you.
i have that pic already.

I have collected all the digrams and pics all over the net.
Thes two items dont ever seem to be clearly identifyed.

Posted by: AlexBlackwell Sep 28 2006, 10:08 PM

I thought you might have seen it. In any event, the only detailed drawings of PVO I recall seeing (many years ago) were in some old books or NASA materials.

Posted by: PhilCo126 Jan 19 2008, 07:21 PM

These are probably the locations of the radial thrusters. See drawing:

Philip Corneille

Posted by: Adzel Jan 29 2008, 09:52 PM

The thruster is visible in the image and your "ports" look like twins. The port to the left of the thruster (big green arrow) is near the location of the Sun sensor.

This may have been an access port for the build. Perhaps cables ran through it. The ports would have been buttoned up later.

adzel