O.K. Posting from Rec.crafts.metalworking as always.
1549) Hmm ... wrong materials for marine use.
Too short to be a flat belt changing tool -- at least for
the overhead belts.
Really no idea.
1550) Looks like a tool for screwing a bolted coupling flange onto
a threaded pipe. I've seen such flanges used for high vacuum
work, but they were usually welded in place.
1551) For filtering out fine powders from solutions -- perhaps for
1552) For extracting sugar from sugar cane?
For stripping corn from ears still mounted on the stalks?
1553) Well ... it uses RF for either input or output.
Perhaps a baby minder to be used with a broadcast radio?
Perhaps an alarm triggered by emergency broadcasts? (CD)
1554) A pedometer -- for recording how far a person walks or jogs.
It is activated by the bouncing of the walking or jogging gait,
and presumably has somewhere to set how long a stride the user
has -- or the user has to calculate the actual distance from the
ratio of his/her known stride length and the stride length for
which the pedometer is calibrated.
Now to see what others have suggested.
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Are you sure that transmitter is a two-channel? Several manufacturers
of radio control equipment used to make transmitters with three-axis
sticks (up-down, left-right, and rotation), and they always had
oversized knobs. The slider on the left may be the fourth channel, for
throttle. Ace R/C made the best of these, and they actually work pretty
well for flying. With rudder on the rotation and aileron R-L, they were
much more intuitive for cross-controlling aileron and rudder than
two-stick controllers are. It's a mystery to me why they are off the
market. Maybe they were too expensive to manufacture.
Rob H. wrote:
Two channels, for sure. The knob is just a steering wheel. This particular
transmitter was very popular with R/C car racers back in the day - only need
steering and throttle. The throttle is a small lever on the right hand side,
can't see it in Rob's photo. This eBay item shows a little bit of the
The slider on the left is the on/off switch. I have a couple of these in my
attic - after seeing the eBay prices I may have to try to market 'em!
Right. Here's the sort I was thinking of:
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