(Topic ID: 331755)

Data East security strap on a Gottlieb system 3? Let's find out!

By pinballinreno

1 year ago


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    7-16 socket with extension (resized).jpg
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    eyebolt location (resized).jpg
    eyebolt length (resized).jpg
    eyebolt assembly (resized).jpg
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    coil bracket (resized).jpg
    likely place (resized).jpg
    Data_East_Safety_Strap_card.pdf (PDF preview)
    coil bracket (resized).jpg
    20230223_133056 (resized).jpg
    data east playfield lifting.pdf (PDF preview)
    #1 1 year ago

    Data East is using a cool rubber security strap to hold the playfield vertical and not let it fall down.

    I think this is a great idea!

    It seems that the Data East security straps are not available?

    No one has replacements listed that I can easily find.

    It also seems that its simply a rubber hood/tool box, latch tie down.

    Im going to implement this security strap on my Stargate.

    When the Gottlieb system 3 playfields are fully lifted to vertical they fall down SUPER easy.

    Having a strap or a small hook would greatly improve the design.

    Its simple and effective.

    Ill post the pdf thats circulating around as well as the pics of what I install.

    Does anyone have a DE game thats missing the rubber strap? Or its finally broken or rotted away?

    This might help to repair it.

    #2 1 year ago

    The only DE game I had (Time Machine) did not have that.
    Should it have had one?
    Pics of what that looks like would be helpful.

    #3 1 year ago
    Quoted from RCA1:

    The only DE game I had (Time Machine) did not have that.
    Should it have had one?
    Pics of what that looks like would be helpful.

    My rocky and Bullwinkle had one!

    I dont know if all or only some models have it.

    If someone would like to post a picture of it, that would be awesome!

    #4 1 year ago
    Quoted from pinballinreno:

    My rocky and Bullwinkle has one!
    I dont know if all or some have it.

    Lethal Weapon 3 has one too. Pulled one of those straps off a parts game for my Rocky and Bullwinkle. The original one was broken. Maybe someone had pulled down the playfield and forgot it was attached.

    #5 1 year ago
    Quoted from Robotworkshop:

    Lethal Weapon 3 has one too. Pulled one of those straps off a parts game for my Rocky and Bullwinkle. The original one was broken. Maybe someone had pulled down the playfield and forgot it was attached.

    Its possible.

    They also dry out and crack.

    I was hoping someone could measure the length of theirs so that I could find suitable replacements.

    Amazon has quite a few.

    I bought a couple (they are cheap) and will see how they would be fitted in my Stargate.

    #6 1 year ago

    Bump,

    Can someone measure the strap for me?

    data east playfield lifting.pdfdata east playfield lifting.pdf
    #7 1 year ago

    This strap is awesome. I use it in my LW3 and wow, great design!!!

    Agreed, Gottlieb Sys3’s need it badly. My Shaq playfield won’t even stay up in the vertical position.

    #8 1 year ago
    Quoted from Isochronic_Frost:

    This strap is awesome. I use it in my LW3 and wow, great design!!!
    Agreed, Gottlieb Sys3’s need it badly. My Shaq playfield won’t even stay up in the vertical position.

    If someone could measure their strap, I can likely buy a similar one.

    #9 1 year ago
    Quoted from pinballinreno:

    If someone could measure their strap, I can likely buy a similar one.

    Just Google “strap-on”, several are available.

    #10 1 year ago
    Quoted from Isochronic_Frost:

    This strap is awesome. I use it in my LW3 and wow, great design!!!
    Agreed, Gottlieb Sys3’s need it badly. My Shaq playfield won’t even stay up in the vertical position.

    Can you take a couple pics and get a measurement?

    #11 1 year ago

    Rubber is 4.25" and total length is 6.5".

    It is always difficult to get the strap on. Works great though.

    #12 1 year ago
    Quoted from drummermike:

    Rubber is 4.25" and total length is 6.5".
    It is always difficult to get the strap on. Works great though.

    Great news! Thanks for the help.

    I bought these:
    https://www.amazon.com/gp/product/B0087PBZOK/ref=ppx_yo_dt_b_asin_title_o00_s00

    https://www.amazon.com/gp/product/B00DP5UL7Y/ref=ppx_yo_dt_b_asin_title_o00_s00

    One is 8" the other is slightly less than 6"

    Now lets see how I can easily fit them in!

    #13 1 year ago
    20230223_133056 (resized).jpg20230223_133056 (resized).jpg
    #14 1 year ago

    Awesome picture! I saw those on amazon.

    I see how they are doing it now.

    I agree that it would be somewhat difficult to attach it.

    Let me work up something better and easier, and easy to install.

    #15 1 year ago

    Shortest one I found on Amazon was 9".

    #16 1 year ago
    Quoted from drummermike:

    Shortest one I found on Amazon was 9".

    Im thinking of rigging up the t-handle and ball.

    It looks easier to make it latch.

    The parts might come today or tomorrow, so I can "maybe" have something working this weekend.

    #17 1 year ago
    Quoted from pinballinreno:

    Im thinking of rigging up the t-handle and ball.
    It looks easier to make it latch.
    The parts might come today or tomorrow, so I can "maybe" have something working this weekend.

    Yes. You will have to mount it directly below the playfield. The stock one is on an angle.

    #18 1 year ago
    Quoted from drummermike:

    Yes. You will have to mount it directly below the playfield. The stock one is on an angle.

    I think that If I mount the strap to the playfield, and let it hang.

    Then I can mount the ball bracket to the bottom of the cabinet.

    If that works out, then it would be simple to use?

    I think that the eye-bolts might be too aggressive for what is needed, and that I might possibly do it another way?

    Although there is quite a bit of leverage in play.

    I dont think there is enough room to do it the opposite way, of putting the ball bracket on the playfield and the t-handle mounting bracket on the cabinet side.

    I will look at it both ways, you never know.

    Basically, I find that the way the Gottlieb system 3 works is dangerous.

    The slightest touch, when the playfield is vertical, will cause it to fall!

    #19 1 year ago

    I think it will be more difficult to pull the strap down. I know you will figure it out.

    My DE LAH has 3 different ways to set the playfield which is great. I am not familiar with the Gottlieb systems.

    #20 1 year ago
    Quoted from drummermike:

    I think it will be more difficult to pull the strap down. I know you will figure it out.
    My DE LAH has 3 different ways to set the playfield which is great. I am not familiar with the Gottlieb systems.

    Im thinking of pulling it forwards and just latching it.

    The way DE did it was cheap and effective. However installing eye-bolts would be difficult on a fully assembled game.

    Installing a few 1/2" #8 screws to mount something is pretty easy (if they hold...).

    The forward angle might give me trouble, but Ill work up a mockup before I do anything too crazy, lol.

    Puling it up and down "vertically", I agree would be difficult, and possibly no room for the t-handle on the playfield side.

    Although it could be mounted on the side of the cabinet....?

    Thanks Mike! You've given me tons of ideas!

    #21 1 year ago

    After some thought, I like side mounting the strap A LOT!

    It solves so many problems and is very easy to install.

    #22 1 year ago

    Ah.
    I was picturing some sort of strap that would wrap around the playfield from the backbox.
    Haven't seen this arrangement before, but seems like a good system.

    #23 1 year ago
    Quoted from pinballinreno:

    After some thought, I like side mounting the strap A LOT!
    It solves so many problems and is very easy to install.

    Pictures?

    #24 1 year ago

    My straps are possibly coming today as there was a snow delay.

    Ill post my progress later today possibly.

    #25 1 year ago

    Parts delayed still, maybe this afternoon or tomorrow.

    Still, while I wait.

    Simpler is often better.

    Perhaps just a simple hook and eye gate latch would work as well.

    https://www.amazon.com/National-Hardware-N117-952-V2000-plated/dp/B000BQOA0E/ref=asc_df_B000BQOA0E/

    #26 1 year ago

    My straps came in!

    But SADLY they are really big and Im not sure if I can use them.

    The mounts are just too big to get a good mounting area, lots of stuff in the way.

    I dont think that I need something this big.

    Its just a safety issue to keep the playfield from falling down if nudged.

    Im going to have to re-think this a bit.

    Any other ideas are welcome at this point.

    #27 1 year ago
    Quoted from pinballinreno:

    Any other ideas are welcome at this point.

    Rubber strap with a hook on each end ?

    Hardware store, get smaller hooks and swap them out.

    LTG : )

    #28 1 year ago

    Are the rubber hood latches for older Jeeps shorter than the ones you are looking at? I seem to remember them being around 4 inches.

    #29 1 year ago
    Quoted from LTG:

    Rubber strap with a hook on each end ?
    Hardware store, get smaller hooks and swap them out.
    LTG : )

    I found these:

    https://www.grainger.com/product/55YC78?gucid=N:N:PS:Paid:GGL:CSM-2295:4P7A1P:20501231&gclid=Cj0KCQiAgOefBhDgARIsAMhqXA6kuCsHrxDiqTK0BqMI8--dCdErctDGyq0SXLHL_KGSgft8Zz-Xx3EaAhrmEALw_wcB&gclsrc=aw.ds

    They look very similar to the DE straps!

    I may gave found a place for an eye-bolt.

    However I dont necessarily need to use an eye bolt on the playfield.

    Anything will work really, like a coil bracket.

    #30 1 year ago

    This coil bracket fits PERFECTLY!

    coil bracket (resized).jpgcoil bracket (resized).jpg
    Amazon straps sent back.

    Used coil bracket out of my parts bin.

    Grainger straps ordered. Model 635765865 4" rubber strap

    Eye-bolt for lower cab, I can get anywhere.

    We are back in business! lol.

    I had to order 10 straps (they are very inexpensive), So if anyone wants one let me know.

    This is actually going to work!

    Even found the safety notice on incochnito's site:

    Data_East_Safety_Strap_card.pdfData_East_Safety_Strap_card.pdf

    1 week later
    #31 1 year ago

    The straps from Grainger finally arrived! Long delay due to snow.

    Ill install one tomorrow and let everyone know the details.

    #32 1 year ago

    Security strap is now installed.

    It works better than I EVER could have imagined!

    #33 1 year ago

    If you would also like to install one (highly recommended),

    Heres how:

    First get or buy a small coil bracket:

    coil bracket (resized).jpgcoil bracket (resized).jpg
    I used one off an old Z-bracket from a slingshot assembly.

    Drill out the threaded hole into it for a couple 1/2" #8 playfield screws with a 3/16" bit.

    Remove all the balls and secure the playfield in its vertical position with a ratcheting hand clamp:
    ratchett clamp (resized).jpgratchett clamp (resized).jpg

    Find a likely spot to install it. Lower is better.

    Likely spot:likely place (resized).jpglikely place (resized).jpg

    I installed it near the center. This becomes a good place later as you need to have room for the strap to stretch out.

    Installed:

    coil bracket installed (resized).jpgcoil bracket installed (resized).jpg

    Next, you need an eyebolt, a 1/4-20 t-nut and washer.

    The eyebolt is about 5/8" or 3/4" wide with a 1" threaded leg on it at 1/4 x 20 thread.

    eyebolt assembly (resized).jpgeyebolt assembly (resized).jpg
    eyebolt length (resized).jpgeyebolt length (resized).jpg

    Next I stretched out the strap until it had good tension (about 1 1/2" to 1 3/4" of stretch on my straps. 2" was too tight) and found a good spot to the left of the transformer on the transformer deck:

    eyebolt location (resized).jpgeyebolt location (resized).jpg

    When you locate the hole for the eyebolt make sure there is enough room to turn the bolt in order to tighten it.

    I used a 19/64" drill bit for the t-nut with a 3/16" pilot hole drilled first.

    It must NOT be too close to the metal edge! Or too close the edge of the wood (to avoid splitting out).

    Where I located the hole it worked perfectly, and was very close to the metal edge, but it worked.

    I slid the t-nut under the edge of the deck (with fingers) and used a 1/4-20 bolt and fender washer as an installation tool, with a 7/16 socket and ratchet to draw it up (holding it in place with fingers).

    Dont strip out the t-nut with the ratchet!

    t-nut setting tool (resized).jpgt-nut setting tool (resized).jpg

    7-16 socket with extension (resized).jpg7-16 socket with extension (resized).jpg

    Install the eyebolt with the washer, add the strap and ENJOY!

    I used the big drill bit in the eyebolt loop to do the final tightening, but pliers or pretty much anything that fits will do it.

    top view (resized).jpgtop view (resized).jpg

    This solution is VERY secure and makes it possible to use nut drivers, and work on the lower playfield screws without having to hold up the playfield by
    hand.

    Its quick, easy, inexpensive and makes the nightmarish fear of the playfield falling down, a thing of the past.

    It also does ZERO damage to the game.

    Finally I can work on the game without a "spotter" to keep the playfield from killing me, or walk away from it and not worry about it being nudged and falling..

    #34 1 year ago

    Pulling the playfield forward is such a struggle to get it all the way forwards in order to lift it up to lean it on the backbox.

    Its such a struggle that most owners have never even pulled the playfield out to set it on the front supports.

    I have done it many times, but it can be rough and hard on the game.

    This solution makes regular maintenance a breeze.

    And saves my back for the rare times I have to pull the playfield out and set it on the front supports.

    #36 1 year ago

    thanks!

    It works perfectly and has a factory look to it.

    #37 1 year ago

    I had to buy 10 of the straps.

    If anyone wants to do this, PM me and I can send you one.

    Reply

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