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Original Post (Thread Starter)
#800592 05/18/2024 7:37 PM
by Laurens
Laurens
How many cars that did the Bleazy upgrade experienced broken Centa rubbers after the upgrade?
Are there any drivers who need to do a repair after this upgrade?
So far as I know, nobody has experienced any more problems with broken rubbers.
Could this be because more cooling is available with the big hole in the bell housing? (which is necessary for the Bleazey upgrade)
Was the heat in the bellhousing the cause of the broken rubbers?
Liked Replies
#801131 May 28th a 06:24 PM
by planenut
planenut
Purely guessing, I would say that the improved ventilation and cooling with the larger access hole in the bellhousing would help keep the rollers in a more reasonable temperature range, no bad thing. I would also say that the silicone lubrication helps. The rollers I have seen that have broken up (my own included) look like they were torn apart rather than just worn away. Again I would guess that the silicone lubricant helps prevent this as it is difficult to tear something apart if you cannot get hold of it.

With both of these working for longer life of the Centa rollers and the fact that if it does all fail, you can replace the rollers with not too much effort...and inspect them even if it all looks good, another limiting factor to using your M3W has been resolved by the "customer development team", with extra thanks to Phil Bleazey for his innovative work on this problem.

At the moment we have some M3W's heading from the UK across Europe to Istanbul on a 4000 mile plus trip. Back in 2016 I went on my first overseas trip.....all the way to France in my 2013 M3W and felt more than a little apprehensive, with reason. I had been on several overseas trips in my other 3 wheel "kit cars" with no problems but I felt the M3W was a risk. How things have changed, mainly because of the information that has been shared on this forum. Many owners have not taken on board the advice given by some on this website but many have and now have a (fairly) reliable car that is capable of doing long trips and having a lot of fun on the way.
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#801153 May 29th a 12:32 PM
by Herrie
Herrie
This is not an answer on Laurens question, because I do not have the M3W for a long time.
Nevertheless I maybe have and answer how to treat the Centa-rubbers so they keep fresh and flexible.

When sailing - It was our profession for 50 years - we used always glycerine to soften all the rubbers. On a sailing vessel there is a lot of rubber which can dry out, because of the sun and salt.
Every half a year we softened f.i. the window rubbers with glycerine.

Keeping that in mind we have two sets of rubbers for the Centa.
One set we keep in a plastic bag in cloth with glycerine.
We will change the rubbers every year and take the old one out and prepare them with glycerine.

Silicon works too and spraying once in a while is a good idea as a simple maintenance job. But treating the rubbers every year and use a treated spare set will absolutely keep the rubbers fresh

I looked for articles on the web to confirm our experience.

How-to-softening-rubber
+ Oils, such as silicone or mineral oil, can help to moisturize and soften the rubber.
+ Rubber softening is the process of restoring hard rubber to its original soft and pliable state. Over time, rubber can become stiff and brittle due to exposure to heat, sunlight, and other environmental factors. This can make the rubber difficult to use and prone to cracking or breaking.
+ using WD40 on rubber can actually cause the rubber to harden and deteriorate over time. This is because WD40 is a petroleum-based product, and petroleum can be harmful to rubber.
+ Glycerine: Glycerine is a natural substance that can soften rubber. It is often used in the production of rubber products and can be applied to hard rubber to restore its flexibility.


Restore-natural-rubber-products
+ Pour some ammonia into a pot of warm water and immerse the rubber article in the water for 1 to 2 hours. This will be enough time for the ammonia to evaporate. Follow the directions on the ammonia bottle for guidelines as to how much ammonia to add to the water.
+ Restoring Rubber With Glycerine
Wash and scrub the rubber item until it is clean.
Wrap a wad of cotton in stiff wire that can serve as a handle. A bent coat hanger works well.
Heat up the rubber piece in a pot of boiling water.
Pull the rubber out of the boiling water, then dip the cotton wad into some glycerine, and wipe down the rubber item with it. Let it dry for 24 hours, then heat the rubber again and wipe it down with more glycerine.
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