But shouldn’t a Smart Missile Hit immediately start Chaos MB?

Only on the first time around.
I think if you have already had a chaos MB it will just award one full set of letters.
(2nd chaos MB requires that you spell chaos twice to light)

I don’t think that’s true either but correct me if I’m wrong. I believe the award is “complete CHAOS”, and it is the same as hitting the S ramp as the last CHAOS letter, qualifying Chaos mb but not starting it until you hit the target again

Just tried it with the glass off and it awarded 5 letters.
So for example I ran it through one Chaos MB and then I completed the C and the H towards lighting a second MB and left it with the A flashing, hit the "complete chaos" and it gave me 5 letters and left it with the A flashing again. Then completed the A, O, and the S and the second chaos MB was lit.

Okay so tried something else too.
On the FIRST spelling of Chaos if you have not yet completed the C, the smart missle just completes all the letters, lighting but not starting Chaos MB. If you have at least completed the C it will start the multiball.

I guess we were both correct but talking about different things

Anyhow, It basically awards one full set of 5 letters either way.

Mine was registering never, I fixed it by bending the leaflet. Has worked perfectly since. Some posts about a screw you can adjust, but I took out the switch and couldn't find an adjustment screw.

I went about fixing my nonregistering T Rex ramp shots on my Pro. I looked into the opto sensor alignment and it seemed okay to me. It didn't seem like I could improve the alignment with a shim as another poster had mentioned. So, I switched the spacers & washers so the washers were between the two plastics and the spacer acts as the washer on the topside on the back covering of the ramp. This reduces the height of the top of the covering to make sure the ball doesn't jump over the sensor. I played quite a few games tonight and happy to report there were zero shots not registered on the T Rex ramp.

Thank you kingfishtr for giving me what appears to be the fix to this frustrating problem.

Interesting - thanks for the testing and update!

Took some slow-mo vids of me taking shots at the T-Rex.

I've also noticed I've been getting a surprising amount of failed shots to the ramp when the T-Rex head it out of the way. Seems to either rattle at the opening, and not make it all the way up and roll back down for a guaranteed SDTM.

I have my game set at 6.5 degrees, and I've also replaced my coil stops. I also have the ramp opto fix from Stern installed.

Not sure what else to do here.

the ball rattle at the entrance of the ramp makes me scared for the longevity of the plastic ramp itself, too. has that been an issue on this game for anyone?

Have you messed with any of these in the latest code?
- T-Rex Adjustment Descriptions:
-- General --
"T-REX JAW HOLD POWER" - hold power of the Jaw coil each time T-Rex opens it's mouth
-- Drop or Throw Sequences --
"T-REX STEP KEEP JAW OPEN TICKS" - milliseconds the jaw is kept open after the Left Ramp opto is broken

What is your flipper power at? Being at 6.5 and not 7 with a high flipper power may be hitting it too fast? I feel that after I went to 7 deg and all flippers to 235 it made shots smoother.

Maybe just some things to try since you seem to be stuck.

Thanks for the reply.

I feel like the power is lagging at default settings since a lot of shots to the ramp seem to lack juice to go all the way up, or they rattle and roll out.

So turning down power seems like it would make it worse, no? Also, the right flipper is already 235 as default. Left flipper hit the right ramp nicely.

Is turning the hold coil power fine to use, or will it burn out the magnet?

And what is the jaw open ticks setting all about?

Thanks again!

Double check that ramp opto piece installation - it looks like it’s misaligned (0:20 in the first video) - that could be causing a lot of your problems.

What do you mean by misaligned? Can you share a photo of yours?

Also, should the T-Rex by shaking around like mine is when it gets hit?

Can anyone else confirm if theirs shakes like this, or is more sturdy?

Mine with the upgraded ramp opto piece - sorry about the quality but you get the gist. Yours looks incorrect. I remember it being a little tricky to get new piece on correctly.

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Great videos! I'm probably putting way too much thought into this, but here's my take on the shots from the videos:
1) Video 1, shot 1 - seems to hit the right edge of the ramp just before going into the mouth and then hops more up and hits the front part of the roof of the mouth vs. going into the mouth. Mouth seems to close after the entrance opto is crossed on the way out and then opens up again when the mouth opto says no ball there.

2) Video 1, shot 2 - rattler

3) Video 1, shot 3 - hits right side of mouth and again seems to hop up and not really make it much past the front part of the mouth opening. Again seems like the mouth closes when the entrance opto is crossed on the way out and re-opens when the mouth opto says no ball there.

4) Video 2, shot 1 - looks like a clean shot but with normal speed video it's hard to tell for sure if it goes into the mouth or hops up to hit the front part of the roof of the mouth. Seems like it went in but wasn't caught though. And again the mouth closes when the entrance opto is crossed on the way out. This one is very similar to the missed catches I was having on mine before I put tape over the lower half of the opto opening.

5) Video 2, shot 2 - again a solid shot but again seems to hop more straight up and hit the front part of the roof of the mouth vs. going into the mouth. I think this one's again iffy as to whether or not it should have been caught. I still occasionally have some shots like this that hop up and aren't caught.

6) Video 2, shot 3 - ball doesn't hop up when entering the mouth and rolls nicely in and is caught.

So, my look at it is that you seem to be getting some hop up into the front part of the roof of the mouth on some shots that aren't being caught. I'd think those misses would be due to one or two (or a combination of both) things: 1) the ball isn't catchable because it's hopping up and hitting the front part of the roof of the mouth, or 2) those ball is catchable but your entrance optos aren't triggering. If the issue is the hop then it might be corrected by adjusting pitch and/or flipper power. If it's the opto I'd think it might be corrected by aligning them or test adding tape to the bottom of the opto opening to see if it helps.

To me everything else looks like it's setting up the right way for it to work. Jaw seems to be resting nicely on the ramp when it's open. Still frustrating for you I know, but with these videos it seems like there's a couple things to try adjusting in order to get it dialed in. Hope it helps.

WizardsCastle nothing wrong with it, you just have to make an clean straight shot, when you do, you see it’s eating the ball. Cheers

I just went back and looked at my old videos from when I was dialing mine in. Mine is aligned the same way as yours (mouth slightly toward the left side of the ramp) and the T-Rex is jostled the same way when it's hit. I don't think it's supposed to be so rigid that it doesn't bounce a bit when it's hit. For me doing the tape fix on the opto and changing pitch and flipper power got it working consistently. I'd recommend trying more pitch. I use the Pinguy app and mine is measuring 6.8 with right flipper power at 235. Could also be worth trying to use the software adjustments to line up the head so it comes more straight down the ramp if the other tweaks aren't working for you. I haven't adjusted any of those settings so I don't know much about them.

not tapered, and they are destroyed in 2 weeks! sterns original hard rubber tpered are the best.
any other rubbers i tried have extreme fast rebound or will break like the perfectplay ones.

you game should have an angle of 7.0, thats quite important! also level it from left to right.
the metal piece on the left side of the ramp seems to be not attached well, the folding of the piece should wrap the end of the plastic ramp.

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I emailed stern and they said the posts on the JP are NOT tapered. PN: 545-5308-00

My Stern’s are pretty beat up and definitely contributing to lots of black residue on the flippers. I guess I can always try titans or PP as any of them are wear items that will need to be replaced.

If you (or anyone) are looking for other goals to speedrun besides Escape Nublar, there are some good benchmarks here:

https://speedrunpinball.com/jurrasic-park-stern/

Not a ton of content yet since it's a newer game, but would love for others to submit runs or beat these times. It's also a good way to keep things competitive during these strange times.

Ouch... not Good

Tilt for the Win

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Topper unlocks a special mode? $600 DLC?

LOL PERFECT.

Wait...so there is a special mode that is only trackable and available to topper owners?!?

Yeah it seems this is a new ground for Stern

Additional code only if you buy their topper...

Welcome to Jurassic Park! This topper interacts with your game by capturing dinosaurs to light a letter in Jurassic Park. Your letter progress carries over from game to game. Spell Jurassic Park for a special mode. There's no better way to top off your game!

Part number 502-7111-00
$599.99
Starting at $53/mo with Affirm. Prequalify now

Gotta be a way to hack that... $600USD is gonna run you pretty much $1000 CND after exchange, tax and shipping.

Well that's garbage. I'm assuming the "special mode" is something the topper itself does, not the game. Some special light show or a trex roar. Something equally lame to fit this topper. That's so lazy looking and over priced

This topper is super dumb! I can’t stop laughing at it!

And here we though the SW topper price was ridiculous...and it was. I'm still paying it off, so Stern can piss up a rope on this one. I'm glad I got the Tilttopper...I really think it's better and the molded art fits the theme of the game better.

Maybe the stern topper is a jack-n-the box and a really big TRex head pops out

Nah. That's another $500. By the way...there's UV ink in that JP topper, and they'll be releasing a mod if you want to light it up. Another $200. Just wait until installation hardware is considered a mod.

Could the 'mode' be a light show, or some movement from the topper? That would be cool. If it really is DLC for the actual game, I think people are going to lose their damn minds.

Topper DLC... Gross.

EaglePin @prodoshi Lounge thank you all for trying to help me out here.

Took some photos and hopefully this gives you guys more to comment on. The Stern ramp fox seems to be installed properly, but you guys tell me.

Also, I raised the T-Rex assembly behind the backboard. Maybe that is why it wobbles so much? Where do you guys have yours set?

And is the upper flipper aligned right. Definitely doesn't line up with the hole, but other pics I've seen, it looks off too.

Thank you all again! Really hoping to get this game working so I can enjoy it.

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That's the topper?!
6 f'n hundo?!
LAME.

I had high hopes for this one.

I hope I'm wrong about how this topper descriptions sounds, because the description sounds like the special mode would be game code. That would be such B.S. JJP's poor service turned me off of EVER buying again from them. So now Stern seems to be going toward a model of sneaking in post-purchase surprises like the UV on Stranger Things and now paying extra for an additional mode on JP2. I'm not liking that trend. They should be upfront about the additional cost of features and options that are or will be available when they release the machine. Doing things this way is just a way of jerking a customer around.

I've been thinking about getting a new machine and Elvira has been at the top of my list, but now I'll hold off awhile to see what Stern is up to before I buy another one from them. I'd rather not support a company that's going to start adding surprise extra $$$ features to all the machines they sell.

1) I haven’t put the Stern opto part on yet. I’m still rolllin’ with the tape fix. Hopefully someone who’s put it on can comment on yours.

2) I don’t think you had any issue at all with wobble on yours. Your videos looked the same as mine for that. I just took pictures of my screw positions. First pic is the right side screws. 2nd pic circled in yellow is the upper left screw. Lower left is blocked by wires so I couldn’t get a pic of it.

3) Your upper flipper is in the same spot mine is in, and it’s correct. For that flipper, the hole is supposed to line up with the top of the bat. Yours looks perfectly lined up with the yellow top edge of the flipper bat. Here’s a link to a post by Keith Elwin confirming flipper alignment with the holes:

https://pinside.com/pinball/forum/topic/welcome-to-the-jurassic-park-le-club/page/96#post-5516155

Hope this helps.

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You're an awesome dude! Appreciate all the pics and help.

Any chance you could post a pic of your two.lower flippers, so I can see how they are lined up.

This topper “mode“ better not be another Surprise!...UV kit money grab.

Yep, here’s a pic of my flippers. They’re a little low since they aren’t lined up center to the guide holes, but the shots have been dialed in pretty well for me so I’ve left them there.

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They are indeed tapered, i replaced mine with Titan Tapered...maybe the newer ones aren't coming like that but mine definitely was Oct 2019 build

HERE IT IS!!! Order your Official Stern Jurassic Park Pinball Topper NOW from Flip N Out Pinball.

A PINBALL FIRST! This interactive topper enables a special mode on your JP game! And you thought this game couldn’t get any better?

Top Off your Jurassic Park today - Shipping very soon

$599.99 plus $25 shipping

Flip N Out Pinball
[email protected]
812.457.9711

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I was 100% in on the topper - regardless of cost - if it was something along the line of the Black Knight topper.
But, sorry - out on this one. I can barely achieve 25% of what this game offers, I don't need another mode for $600 = Just don't see the value
Again - if they offered something as cool as the BK, I was all in.
Disappointed.

yikes.

not even sculpted dino's from china, how much would they cost....5 dollar. I expected a T-Rex roaring at you, or the gates that open with flames when you start the game and get Welcome to Jurassic Park. So many great things to do. Again showing this is just not their primary business. They do not care much.

Not sure why Stern is so wildly inconsistent with their toppers.

This thing is a hot mess. $600 for a piece of plastic and a strip of LED's? Oh and another hidden game feature holding you hostage to get more of your $$$?

church, meet fart...didn't really read the room on this one, eh?