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  #141  
Old 26-05-2019
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I also noticed movement with the lowest diff setting, put the middle ones in and they seem fine
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  #142  
Old 26-05-2019
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Tried it with the other eccentrics and it's still the same. It's much worse on one side. You can actually turn the eccentric a little. That's how much movement there is. As I said, one side is moving but only slightly but the other is considerable. It can only really be a moulding issue really. I will add that I have been racing for many many years now and I have built and raced many cars at a respectable level so I can assure you it's not a newbie mistake or build error.
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  #143  
Old 26-05-2019
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faulty gearbox mould or wrong eccentrics then. either way i guess its a replacement kit or parts required.


edit - as a thought have you tried it with the 2nd diff top section (if there is 1 i.e. rear shock parts bag), just to see if it is any better and narrow down the faulty bit.
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Last edited by stormyyyy; 26-05-2019 at 09:33 PM. Reason: had an idea
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  #144  
Old 27-05-2019
BlobbyDavro BlobbyDavro is offline
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Hi folks, new here.

I've built two Laydowns now. I eliminated the slop between the eccentrics and gear housing using using a layer of cellotape around the eccentric, actually it took two layers to make it rock solid but we're still talking small fractions of a mm, depending on how thin your cellotape is.

Overall the car builds very well and doesn't have many foibles to problem solve. I'm pleased with the quality of it overall having not built a Schumacher before.


On another topic, dang it has a lot of chassis flex (intentionally), it surprised me, although I can see how nice and even the flex is throughout the chassis I may look to try the X-brace. I haven't run the car yet with the standard flex yet so can't comment.

I did notice how well the car was handling that flat landing at Arena33 last weekend, I know in the earlier rounds it was the KD we were seeing, up to leg 2 final in Michael's case. How relevant chassis flex and S2 towers (G10 let's be honest) are to that I don't know.

Last edited by BlobbyDavro; 27-05-2019 at 04:12 PM.
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  #145  
Old 27-05-2019
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Sellotape!

Cant see that it is going to solve the problem long term tho
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  #146  
Old 27-05-2019
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Just been looking at all the speed secret parts on offer to upgrade the standard Laydown kit. The alloy parts do look good, which speed secret parts are the most beneficial?
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  #147  
Old 27-05-2019
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Are the Ali hubs and carriers a must on the laydown, or just a nice to have ?

Thanks
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  #148  
Old 28-05-2019
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Quote:
Originally Posted by Spils77 View Post
Just been looking at all the speed secret parts on offer to upgrade the standard Laydown kit. The alloy parts do look good, which speed secret parts are the most beneficial?
Quote:
Originally Posted by Ross View Post
Are the Ali hubs and carriers a must on the laydown, or just a nice to have ?

Thanks
defiantly the caster blocks are worth adding. low front wing mount is a nice tuning option too.
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  #149  
Old 28-05-2019
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I would also say the alloy ctr is worth it as broken a few of the plastic ones over time.
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  #150  
Old 28-05-2019
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Quote:
Originally Posted by mark christopher View Post
defiantly the caster blocks are worth adding. low front wing mount is a nice tuning option too.
Quote:
Originally Posted by matt View Post
I would also say the alloy ctr is worth it as broken a few of the plastic ones over time.
Thanks guys
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  #151  
Old 29-05-2019
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Thank you for the info guys, very much appriciated. I think i will see how the car performs and if a part does break and there is an option to upgrade to an alloy equivalent, then i will probably fit the alloy option.
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  #152  
Old 30-05-2019
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A quick update here on the gearbox issue I posted on here. I contacted Schumacher and explained the issue and sent them a small video clip of the problem. The r and d guys at Schumacher have seen the clip and sent out some replacement parts to try to resolve the issue. As previously stated that the play in my gearbox was more than just a little and the person I spoke to agreed that it wasn't right.
In my view Schumacher listened to what I had to say, took the issue seriously and have tried to rectify it. At the moment I can't really as for more than that. Thanks Schumacher.
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  #153  
Old 30-05-2019
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Further update. Just tried the diff eccentrics off the cougar KC. They appear to be a harder plastic so I thought I would try them. They fit perfectly and eliminate all play and have sorted the problem. I'll have to let Schumacher know I have sorted it and send the parts back. Happy days
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  #154  
Old 30-05-2019
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You can’t beat Schumacher for their customer service
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  #155  
Old 30-05-2019
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Schumachers customer service as always been second to none.
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  #156  
Old 30-05-2019
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Quote:
Originally Posted by adey View Post
Further update. Just tried the diff eccentrics off the cougar KC. They appear to be a harder plastic so I thought I would try them. They fit perfectly and eliminate all play and have sorted the problem. I'll have to let Schumacher know I have sorted it and send the parts back. Happy days
Nice one

Ive just finished building a second one and noticed the play. Once the top was screwed down it was minimal A small amount of tape on top of the eccentric and it was fixed.

I think I'll be buying the KC ones
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  #157  
Old 31-05-2019
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Quote:
Originally Posted by Ross View Post
Nice one

Ive just finished building a second one and noticed the play. Once the top was screwed down it was minimal A small amount of tape on top of the eccentric and it was fixed.

I think I'll be buying the KC ones
At which page of the manual are you are referring to please?
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  #158  
Old 31-05-2019
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You will find the eccentrics in the manual in Step 29 on page 18. The tape would have to be added to the eccentrics when you do step 32 on page 20. HTH
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  #159  
Old 31-05-2019
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Quote:
Originally Posted by lynx75 View Post
At which page of the manual are you are referring to please?
Quote:
Originally Posted by AmiSMB View Post
You will find the eccentrics in the manual in Step 29 on page 18. The tape would have to be added to the eccentrics when you do step 32 on page 20. HTH
Hi,
As above for the step number.

It’s not as bad as it sounds. I cut a small piece of electrical tape around 4/5mm wide and the length of the top half of the eccentric. Try 1 piece first, fit the shock mount, see if the movement has gone. Repeat if required.

I also fitted all 3 small shims between the diff outdrive and the diff case.
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  #160  
Old 31-05-2019
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To be fair I think mine was just one of those things. I had a small amount of movement on the one side but a considerable amount on the other. Schumacher agreed it was too much movement and acted appropriately to sort my issue. I managed to sort it with KC parts and have notified Schumacher. As before stated by others, their customer service is as good as it gets.
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