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Design flaw in Marker Griffon Schizofrantic bindings when using the smallest boot size setting. - Page 2

post #31 of 37

I created my video, so please take a look and see if you find anything different, because I do not see it.    The measurements are identical  (plus minus 1mm).    Your test is valid.  I did the same test and I recorded it.  It slides 66mm back.  The only thing that matters in this slide test is the design of the rear plate.  In this video you will be able to see all the values.

 

There is one thing that comes to my mind.  When you slide back and hit the end, maybe you should remove your 2 screws that are holding the rear binding and the wire together.  When you remove them, hold the wire and the metal part against the ski while you slide the rear binding off to the back.  That way you'll be able to check if you are at the end of the groove indeed.  Maybe something else is stopping you from sliding. 

 

This is so trivial and yet I can't figure this out. 

 

post #32 of 37
Thread Starter 

Awegrzyn,

 

I looked at your posting and I noticed two things. First thing is the rear screw is set so your notched thin metal plate is moved probably as forward as possible which is for the largest boot size in the range. If  you look at the setting on my binding, there are two notches in front of the rear binding. On yours, there are 4 notches. Each notch is about 1 cm in length, so yours is set to be about 2 cm longer. Try turning the rear screw to move the notched thin metal plate back to adjust it for the smallest size boot and see if the range of motion decreases. If you are getting a range of 65 mm and you lose about 20mm or so of movement, it will be approximately 45mm which is closer to the range I am getting of 48 mm.

 

LEAD Technologies Inc. V1.01

 

LEAD Technologies Inc. V1.01

 

LEAD Technologies Inc. V1.01

 

LEAD Technologies Inc. V1.01

 

LEAD Technologies Inc. V1.01

 

The second thing I noticed is that you have a Marker Schizo Squire and not a Griffon. But I am not sure if that would affect things or not. It is a different model, but the measurements of all the metal parts and rear base plate we compared were similar, so the design of the plastic components may be similar enough to have the same problem. We will see after your test. If not, it could be because it is a different model. 

 

Even if there is a limited range of motion, I still want people to realize that it is only for the smallest boot sizes. From my measurements, for a boot size of about 265mm, the metal piece went back too far behind the groove by about 15mm. As the boot size gets longer the problem should get better and at a boot size of 280mm, there should be longer a problem if the wire is left in the anterior most slot on the underside of the front binding.

 

Also, this is for a 2011/2012 model. I do not have a 2012/2013 model Griffon, so I do not know if there have been any changes in the new model.

post #33 of 37
Quote:
The second thing I noticed is that you have a Marker Schizo Squire and not a Griffon.

Both bindings are identical according to Marker, but the materials are different. 

 

Yes, you are correct, this binding has a design flaw when it comes to a very small boot.  I was able to slide only about 5cm for a smallest boot (265).  I have a feeling a 275 boot could almost get a 6cm of slide on a good day. 

 

So whoever is reading the thread, this binding has a problem if you have a very small boot.  275mm or 285mm and under.  It won't slide all the way, so you can't have both setups to be perfect.  Something will have to give.  It's still good enough.  You can still follow my installation procedure, but for a small boot you need to decide what is more important to you, a park, or a standard setup.


Edited by awegrzyn - 3/19/13 at 7:53am
post #34 of 37

Hello,

First post and I realise I may be resurrecting an old thread with a slightly tenuous link; however, I'm hoping a couple of the posters in this thread are able to help me out.

 

I've just received the 2012/13 (I believe) Griffon Schizo bindings with a pair of 2012/13 K2 Kung Fujas. They are the pre-drilled captured nut variety so should be very easy to install...

 

After a bit of work with a thread tap to clean out what I am guessing is epoxy overrun I mounted the plates happily and then slid the front binding on only to find it doesn't go more than 2.5 cm back. At 2.5 cm back or rather the 3.5 cm mark on the plate (these are +6 to 0 cm by the way) the back centre edge of the binding connects with a raised central plastic disk on the plate which stops it going any further.

 

I notice on bradnash's post from 3/17/13 (4th picture down) that there is a screw in this location on his binding plate. Clearly mine is not meant to have a screw there but am I really meant to have to cut this off? Anyone seen this before? Pictures below.

 

Oh and while I'm at it - do people really use the self-tapping screw to hold the bindings together? I'm surprised the 5 holes in the cable swage fitting weren't tapped for an M5 machine screw.

 

Many thanks,

Steve

 

 

 

post #35 of 37

Are you sure your plates aren't backward? 

post #36 of 37

Whiteroom,

 

I'm very confident that the plate is the correct way around. A quick look at the Marker general manual shows the orientation and also a screw in that position.

 

 

I assume that picture is for the version that is not "K2 specific" to go with any ski that doesn't have pre-drilled and threaded holes. 

 

Also, if it was the other way around the raised disk / 'button' would interfere with forward movement.

post #37 of 37

Just to close this out and in case anyone else has the same experience and searches out this thread.

 

I have it all sorted. I just 'forced' it past the button the first time by turning the screw a bit harder and now it runs back and forth fine. I was clearly just being too cautious.

 

I also went with the self tapping screws supplied to join the binding sections together. A slightly odd engineering solution but I'll just have to trust it with some thread lock added for good measure.

 

Cheers,

Steve

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