Post by Kerry ImmingPost by macRAnyone know what specific size/type of pinball this game requires? The
playability of this one is very determined by the ball and the
‘bounce’ factor. The side bounce rails are aged and we’ve tried to
restore the rubberiness of them to little effect. I wonder too if
there’s a nominal replacement so that correct size/type pinball does
its bounce properly. It’s fully functional otherwise, and I’d like to
have it completely playable.
https://quarterbyte.blogspot.com/2011/04/
Any information you could provide would be sincerely appreciated.
Thanks!
The Pinball Resource shows sizes available from 3/4" up.
http://pbresource.com/Balls.html
In my old games there are ball trails on the metal arc. Measuring that
gives 1/2 the diameter of the ball. Height of bumpers is also a clue.
That said, rejuvenating 85 year old rubber sounds like a challenge.
I'm curious as to how the "Radio Ray" worked. In your picture it looks
like mirrors so I'm guessing it's a single light beam following the
criss-cross lines? CDS photoresistors may have existed that long ago,
but I have no idea how that would have triggered a score given that
there were no transistors.
- Kerry
I was wrong about using glass marbles, that is pretty obvious! As Kerry
says, measure from the middle of the track at the top of the playfield
to the upper rail and you will have the radius of the ball.
As for how it worked, a tube amplifier much like used in the Seeburg
Ray-O-Lite games would be my guess. Much like the photo-tubes used in
film projectors of the day for the 'Talkies'. The ball would have to
block the light for X seconds for the timer to do a score increment, so
it would have to travel in line with the tracks to block the light long
enough for the timer to run out. which wouldn't happen if the ball
merely passed through the light beam as it bounced around.
If you can find a solid rubber O-Ring that is the correct length and
diameter, then slit it in half (a jig with a razor blade in the middle
works fine) and secure each side to the walls of the game's playfield. I
do that with regular rubber rings when restoring 30s games that had 1/2
round rubber mupers on the sides - most have used large white rubber
pinball rings cut to size.
John :-#)#
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