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Schumacher Mi4


Old 01-06-2010, 09:54 AM
  #1306  
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Because with the bearing protruding from the hub, running the narrow hex makes the offset the same as the rear.
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Old 01-06-2010, 01:27 PM
  #1307  
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Ok thanks guys.

Can i just take a pair off the mi3? Are these narrow enough?
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Old 01-06-2010, 01:35 PM
  #1308  
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The narrow hex reduces the offset between the king pin and the hex. Generally it gives more steering.
All the top UK team run with this set up with 2.5-2.75mm of washers against the pivot block.
Std hex in the rear with 1mm washer against the block.
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Old 01-07-2010, 09:15 AM
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Ha was just flickin through the manual and clocked your in the back

Yer just noticed now you and Grainger wrote Narrow Hex U3570 under driver notes. Ill have to snap a pair up soon. By standard in the rear do you mean the ones that come with the kit?

You also wrote under tyres Sorex 28 JB, i usually use the 28's a lot but i dont think theyre JB. Whats the difference?

Get to try it out for the first time tommorow woo
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Old 01-07-2010, 06:11 PM
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Default Schumacher on the tube.

Adam did you happen to catch Robin Schumacher on www.rctvlive.com?

He is on the latest episode. What were you doing back then?
Enjoy.
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Old 01-08-2010, 08:19 AM
  #1311  
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Originally Posted by Ritchie T View Post
Ok thanks guys.

Can i just take a pair off the mi3? Are these narrow enough?
The Mi3 ones are a different part no to the Mi4 ones, so guessing they won't fit.
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Old 01-08-2010, 08:21 AM
  #1312  
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Originally Posted by Ritchie T View Post
Can i just take a pair off the mi3? Are these narrow enough?
yeah. from the mi2ec to the present mi4lp, the axles have the same geometry. (they have changed materials, though, as have the bones).
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Old 01-08-2010, 08:23 AM
  #1313  
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Originally Posted by Ritchie T View Post
Ha was just flickin through the manual and clocked your in the back

Yer just noticed now you and Grainger wrote Narrow Hex U3570 under driver notes. Ill have to snap a pair up soon. By standard in the rear do you mean the ones that come with the kit?

You also wrote under tyres Sorex 28 JB, i usually use the 28's a lot but i dont think theyre JB. Whats the difference?

Get to try it out for the first time tommorow woo
I can answer that for Chris, the standard in the rear are the ones that come in the kit.

The Sorex tyres with the JB have a foam insert in rather than the grey rubber insert in the other type available. The JB version has more grip, and equates to being about half a second a lap quicker. This is on carpet, I wouldn't like to say what they are like outside.

Keep us posted on how you get on with the car, good luck!
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Old 01-08-2010, 09:03 AM
  #1314  
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Thank you for the replys John and Seaball.

In a couple of hours ill be trying kit setup but next week ill order some narrow hexes and stick the spacers on the front and give that a blast

Thanks again
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Old 01-08-2010, 09:29 AM
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aluminum hexes
U3525 wide hex (comes with Mi4)
U2991 medium hex (comes with Mi3)
U3221 super narrow hex (option part)
U3570 ???????? don't see this one listed
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Old 01-08-2010, 09:37 AM
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Originally Posted by turbodog View Post
aluminum hexes
U3525 wide hex (comes with Mi4)
U2991 medium hex (comes with Mi3)
U3221 super narrow hex (option part)
U3570 ???????? don't see this one listed
Use search function next time on shumacher's site http://www.racing-cars.com/pp/New_Ca..._CF/U3570.html
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Old 01-08-2010, 11:21 AM
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Originally Posted by lochness42 View Post
Use search function next time on shumacher's site http://www.racing-cars.com/pp/New_Ca..._CF/U3570.html
lol I tried the search on the USA side of the site and it's not there........i guess we are always the last to know.
thanks!!
So I am assuming the U3570 are like the U3221 but o-ringed?
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Old 01-08-2010, 11:37 AM
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Originally Posted by turbodog View Post
lol I tried the search on the USA side of the site and it's not there........i guess we are always the last to know.
thanks!!
So I am assuming the U3570 are like the U3221 but o-ringed?
I guess so, I've got only older version without o-ring.
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Old 01-08-2010, 11:40 AM
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Originally Posted by turbodog View Post
aluminum hexes
U3525 wide hex (comes with Mi4)
U2991 medium hex (comes with Mi3)
U3221 super narrow hex (option part)
U3570 ???????? don't see this one listed
here's a quick (but incomplete) synopsis: (and in chronological order)

2991 - 3.9mm wide (mi2ec through mi3.5 kits - oring style)
3221 - 3.9mm wide (slip-on, no o-ring, released for mi3)
3525 - 4.9mm wide (mi4 kit - oring style)
3570 - 3.9mm wide?? (no idea what's different)
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Old 01-08-2010, 12:29 PM
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Originally Posted by seaball View Post
here's a quick (but incomplete) synopsis: (and in chronological order)

2991 - 3.9mm wide (mi2ec through mi3.5 kits - oring style)
3221 - 3.9mm wide (slip-on, no o-ring, released for mi3)
3525 - 4.9mm wide (mi4 kit - oring style)
3570 - 3.9mm wide?? (no idea what's different)
U3221 and U3570 are less than 3.9mm, don't have the U3221 in front of me but guessing it's 2.99mm. U3221 is slip on no o-ring/ U3570 has o-ring according to description.
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