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What is a gearing pad?

Hi, I really dont know what section to post this, but i got a bit of a Vulcan today (Vulcan B2) and as the vulcan is a historic aircraft i thought i would ask here.
The part is called a gearing pad and is made by Smiths, could anyone tell me what exactly a gearing pad is?
All the seller was able to tell me was its a electrionical part, at the back is a 9 pin plug.
Here is a photo
http://i255.photobucket.com/albums/hh160/AstroGeo/Vulcanpart.jpg

Hope someone can help
Jason

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By: Jayviator - 15th May 2009 at 14:50

Thanks, can anyon explain what the part actually did, ok so i got that it changed the responses on a analogue computer, but im not very clever so what is an analogue computer and what does it mean by change the responses, did it make the responses quicker, or did it make it do something other than the autopilot was originaly designed for?
Obviously it was for a Vulcan, but i have been trying to find out more about the mk 10 autopilot and saw that it was fitted to other aircraft as well, would that part have worked in another aircraft as well.
I wonder if it has ever actually been used in a Vulcan or was just a spare, it certainly has a used look to it!
Its great that there are mnay knoweldgable people here, i thought it would take longer to get a answer because i thought it looked like such a inobscure little peice, i suppose the code numbers helped but only someone with extensive knowlede would be able to identify it by the codes?

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By: aircraftclocks - 14th May 2009 at 06:11

Section 6TB

Section 6TB is for Autopilot, Mk 10.

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By: Jayviator - 13th May 2009 at 21:12

Wow! thansk for the quick and informative reply, i thought it was probbaly something unimportant but it sounds like it was important, then again i guess every nut and bolt of an aircraft has an important part to play.
thanks again

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By: ian_st - 13th May 2009 at 20:21

Gearing pads were an essential bit of the Smiths SEP2 autopilot system (RAF Mk 10 autopilot). They were fitted to the analogue computers to change their response.

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