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Search took 0.01 seconds. Search: Posts Made By: JimboJames1972
Forum: 12th & 10th On Road 01-09-2014
Replies: 17
Views: 3,295
Posted By JimboJames1972
Rob, Sorry, while posting my previous reply...

Rob,

Sorry, while posting my previous reply on tyres I missed your question on Production Cup

The initial proposal at the EGM on Production Cup was that cars had to be run "out of the box" with...
Forum: 12th & 10th On Road 01-09-2014
Replies: 17
Views: 3,295
Posted By JimboJames1972
Rubber tyres have been used in the past (about...

Rubber tyres have been used in the past (about eight or ten years ago) but, like Peter said, they mostly failed.

The tyres were for the Tamyia Mini - lightly treaded and with the "stock" foam...
Forum: Mardave 20-08-2014
Replies: 3
Views: 2,769
Posted By JimboJames1972
Ok, not exactly the same as the ones I used, but...

Ok, not exactly the same as the ones I used, but by the looks of it yours is non-adjustable with the timing? Probably just a change in paint from what I used...?

From this, I would suggest a...
Forum: Mardave 19-08-2014
Replies: 3
Views: 2,769
Posted By JimboJames1972
Hi, When I did my testing a year or so ago I...

Hi,
When I did my testing a year or so ago I would usually end up 2 pinions lower on my 2s/21t setup than I did with 1s/13.5t.

This was for small-medium sized tracks (biggest regular track I...
Forum: Mardave 28-07-2014
Replies: 2
Views: 2,335
Posted By JimboJames1972
Are these tyres that you glued up yourself? If...

Are these tyres that you glued up yourself? If so, the last sets of UFRA pink mediums that I glued myself all had the smooth sidewall, but I've not glued any JAPs for a while so can't say what they...
Forum: Mardave 11-05-2014
Replies: 4
Views: 1,784
Posted By JimboJames1972
For the last 3 years or so I have been gluing my...

For the last 3 years or so I have been gluing my servos to my chassis rather than using the standard posts. I think having a slightly rubbery joint between the chassis and servo allows some impacts...
Forum: 12th & 10th On Road 19-04-2014
Replies: 1
Views: 1,022
Posted By JimboJames1972
Just a quick request to all the new drivers who...

Just a quick request to all the new drivers who are planning on joining us for either the warm-up meeting or the Rgionals - please either contact me via PM on here or one of the other committee...
Forum: 12th & 10th On Road 06-04-2014
Replies: 1
Views: 1,022
Posted By JimboJames1972
East Anglia GT12 Regionals

East Anglia clubs will, one again, be hosting a Regional GT12 series over the summer of 2014.

After the success of last year we are hoping to get 4 club venues with the following dates confirmed:...
Forum: Mardave 02-02-2014
Replies: 4
Views: 1,429
Posted By JimboJames1972
Most speedos have a 1-2sec delay when switching...

Most speedos have a 1-2sec delay when switching between forwards and reverse. I believe this is to prevent current overloading if you accidently go past the max braking point and straight into...
Forum: 12th & 10th On Road 01-02-2014
Replies: 10
Views: 1,270
Posted By JimboJames1972
Hi Chris, First off, your motor question...

Hi Chris,

First off, your motor question because it is the easiest to answer. Yes, you can do whatever you like to the motor timing endbell. For GT12 racing, the majority of drivers I have...
Forum: 12th & 10th On Road 23-01-2014
Replies: 3
Views: 928
Posted By JimboJames1972
I alternate between flexible Super Glues and...

I alternate between flexible Super Glues and contact adhesives (Evil stick).

I can't sat hand on heart which is best for me - sometimes one works better than the other, sometimes the other way...
Forum: 12th & 10th On Road 22-01-2014
Replies: 1
Views: 835
Posted By JimboJames1972
Mardave and Kamtec are the only suppliers of Mini...

Mardave and Kamtec are the only suppliers of Mini shells as far as I know.

However, the SS I believe, has a wheelbase of approx 205mm. Only the BMW mini shell fits this wheelbase (and you will...
Forum: 12th & 10th On Road 21-01-2014
Replies: 3
Views: 960
Posted By JimboJames1972
This will apply equally to rears as well as...

This will apply equally to rears as well as fronts...

Larger diameters give more grip thanks to side wall flex when you load them up in the corners. With larger diameters you also get a bigger...
Forum: 12th & 10th On Road 19-01-2014
Replies: 7
Views: 1,325
Posted By JimboJames1972
If you don't want to mark a hard floor, tire...

If you don't want to mark a hard floor, tire compounds need to be hard, the harder the better.

Soft compounds grip because they stick to the floor. Unfortunately, when you exceed the grip you...
Forum: 12th & 10th On Road 19-01-2014
Replies: 15
Views: 2,035
Posted By JimboJames1972
Wim is excellent - what he does not know and what...

Wim is excellent - what he does not know and what he cannot advise on is not worth knowing

He is always my first choice for all 1/12 gear

James
Forum: 12th & 10th On Road 30-12-2013
Replies: 8
Views: 1,752
Posted By JimboJames1972
How far are you happy to travel? Cambridge...

How far are you happy to travel?

Cambridge have a club that race some Sunday mornings and some Saturday afternoons. They are based in Milton (Sundays) and Over (Saturdays). GT12 are their main...
Forum: Mardave 23-12-2013
Replies: 19
Views: 2,849
Posted By JimboJames1972
No, I do t think so. James

No, I do t think so.

James
Forum: Mardave 23-12-2013
Replies: 19
Views: 2,849
Posted By JimboJames1972
And just to throw a few numbers in there... ...

And just to throw a few numbers in there...

A quick search for 12x2 brushed motor specifications comes up with results of around 40,000 to 42,000rpm (at 7.2v) and powers of about 185W

With...
Forum: Mardave 23-12-2013
Replies: 19
Views: 2,849
Posted By JimboJames1972
Ok, I think it is the motor. That will be a LOT...

Ok, I think it is the motor. That will be a LOT more powerful than a 13.5t, probably more than a 10.5t too?

You will notice a big saving in tires once you switch to 13.5t brushless.

J
Forum: Mardave 23-12-2013
Replies: 19
Views: 2,849
Posted By JimboJames1972
Well, there are some mysteries there... ...

Well, there are some mysteries there...

First off, your tire wear is extremely high. Loosing 6mm in just three races is something I have never heard of before! I know some of the lads at a local...
Forum: Mardave 23-12-2013
Replies: 19
Views: 2,849
Posted By JimboJames1972
As your tires had the smooth, shiny outer...

As your tires had the smooth, shiny outer sidewall I am assuming that they were a set that you glued yourself rather than a set that was bought trued and glued?

If memory serves, all JAP and UFRA...
Forum: Mardave 14-12-2013
Replies: 19
Views: 2,849
Posted By JimboJames1972
Pink Mediums are similar to Contact 35 in shore...

Pink Mediums are similar to Contact 35 in shore rating, perhaps a little softer.

However, the blend of rubber is different between the Mardave brands and Contacts. The Pinks seem to have good...
Forum: Mardave 13-12-2013
Replies: 19
Views: 2,849
Posted By JimboJames1972
The good news, and bad news, is that there are...

The good news, and bad news, is that there are now many compounds available under the Mardave brand.

What surface/track are you racing? For circuit racing, Pink Medium (V54P) are best for the...
Forum: 12th & 10th On Road 01-12-2013
Replies: 5
Views: 1,401
Posted By JimboJames1972
I use this speedo in one of my my GT12 cars. ...

I use this speedo in one of my my GT12 cars.

I run it with a 1/12 servo, MRT personal transponder and Sanwa 2.4GHz radio. Runs perfectly - very smooth power, does not get hot and easy to program...
Forum: 12th & 10th On Road 26-11-2013
Replies: 5
Views: 1,414
Posted By JimboJames1972
What cars are you guys running? James

What cars are you guys running?

James
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