(Topic ID: 114951)

pretty cool hurdy gurdy


By boilerman

5 years ago



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  • 13 posts
  • 8 Pinsiders participating
  • Latest reply 5 years ago by AlexF
  • No one calls this topic a favorite

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#1 5 years ago

I am not sure if anyone saw this, but I thought it was way cool mod must of took some time to do

http://elkhartpinball.com/HurdyGurdy.htm

#2 5 years ago

Looks like the enclosed relays Chicago Coin used. Is this retrofitted or is it some odd engineering sample?

#3 5 years ago
Quoted from boilerman:

I am not sure if anyone saw this, but I thought it was way cool mod must of took some time to do

http://elkhartpinball.com/HurdyGurdy.htm

Just not sure what the point of doing that was, I mean what did it really accomplish?

Ken

#4 5 years ago

It would prevent dirt from accumulating on the exposed switches in a normal relay.

#5 5 years ago
Quoted from bingopodcast:

It would prevent dirt from accumulating on the exposed switches in a normal relay.

It looks like it was done...just because they could, which is pointless to me because the original configuration of relays would work just as well if the machine was maintained properly. EM's should not get "Dirt" in them anyway as the only thing it should get is general dust and carbon dust which if switches are properly gaped should self clean and not be a problem in the first place.

Ken

#6 5 years ago

I would be more concerned that this mod inhibits the proper operation of the game.

Otherwise a lot of work for little gain.

#7 5 years ago
Quoted from MikeO:

Otherwise a lot of work for little gain.

Looks like a "no" gain to me.

Ken

#8 5 years ago

Looks like all the original analog relays and switch blades were replaced with early transistor-based relays. Kind of an early EM/SS hybrid of sorts.

#9 5 years ago

Those relays wouldn't sound nearly as cool as the originals

#10 5 years ago

i gotta say... that IS pretty cool...

pointless, but cool...

although it would be a fun exercise to figure it out...

#11 5 years ago

I hate to see a game destroyed but it is very cool to think how much work was done to do this. not sure why it was done in the first place no real upside other than cool looking and different
not easy to undo!!!!

#12 5 years ago
Quoted from EM-PINMAN:

EM's should not get "Dirt" in them anyway as the only thing it should get is general dust and carbon dust which if switches are properly gaped should self clean and not be a problem in the first place.
Ken

That's true, maybe to allow for easy replacement if something wasn't working right (stupid technician?), but also note that the machine has to get regular use to self-clean.

Though these are pluggable, you cannot adjust (which is more likely the problem over time anyway) - but if Chicago Coin did it near the end, was it because of looking at the automotive industry or for more reliable switching? I'd never heard of them using sealed relays in their EMs (nor seen them).

#13 5 years ago

Here's an image from IPDB showing the inside of a 1972 Mini Baseball with these type of relays mounted to a board. If I remember right my 1975 Top Ten had them too. The first time I saw them I thought they were pretty slick but quickly learned they are kind of a PIA. The switches still get oxidized after so many years, but they are micro and you have to carefully pop the little covers off to clean.

image-10.jpg

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