Schumacher Mi4
#1861

Okay so this is gonna sound weird but my car is set up pretty, well really good with just a base set up. I'm running outdoor asphalt on a large track and the car handles really well. 2* camber all around, stock roll center spot, no sway bars, stock springs and the biggest change ive noticed is playing with different tires.
now I'll admit I'm not great when it comes to trying different set ups because if something works, why change it? To go with that i dont know what to adjust to pick up more speed. the one thing i'm mostly looking for is mid-exit cornering. I run a spool up front with a diff in the rear and I like the way it flows but would like to see it rotate a little more . Am i only going to get that by going with a differential up front? What about more caster or Ackerman?
now I'll admit I'm not great when it comes to trying different set ups because if something works, why change it? To go with that i dont know what to adjust to pick up more speed. the one thing i'm mostly looking for is mid-exit cornering. I run a spool up front with a diff in the rear and I like the way it flows but would like to see it rotate a little more . Am i only going to get that by going with a differential up front? What about more caster or Ackerman?
#1862
#1863
Tech Master
iTrader: (14)

I will say you're not alone in this scenario. My friend has had good success with using a oneway, but that is track dependent on whether or not you can get away with that. I had good luck last weekend when I went up in rear spring, I was using whites all around, and went to blue in the rear. I was also running 6dg caster on that car, it was a 17.5 motor on a big track, so it was very planted.
#1865

I'm running blues up front and white in the rear. we run 10.5 and have a high speed sweeper and a fairly fast chicane along with a hair pin and 2 other fairly sharp turns. I will have to pick up some 6* caster blocks and see how they fair. thanks! also what is the difference in the arms? i have some graphites and medium flex for front and rear. are the two different ones noticeable?

#1866
Tech Apprentice
iTrader: (1)

I just received my MI4LP and I will run on carpet with foam (or rubber if the rules change at my track).
A few pages back there is a set-up for carpet/foam and on the set-up sheet the chassis is 2.5mm (U3566) with 3mm top deck.
I already have the 3mm top deck and I don’t have the 2.5mm chassis but before ordering one I will like to know if I should order the 3mm chassis instead (U3567) ?
And if my local track change is rule to go with rubber tire (on carpet) which chassis do you suggest?
A few pages back there is a set-up for carpet/foam and on the set-up sheet the chassis is 2.5mm (U3566) with 3mm top deck.
I already have the 3mm top deck and I don’t have the 2.5mm chassis but before ordering one I will like to know if I should order the 3mm chassis instead (U3567) ?
And if my local track change is rule to go with rubber tire (on carpet) which chassis do you suggest?
#1867

I just received my MI4LP and I will run on carpet with foam (or rubber if the rules change at my track).
A few pages back there is a set-up for carpet/foam and on the set-up sheet the chassis is 2.5mm (U3566) with 3mm top deck.
I already have the 3mm top deck and I don’t have the 2.5mm chassis but before ordering one I will like to know if I should order the 3mm chassis instead (U3567) ?
And if my local track change is rule to go with rubber tire (on carpet) which chassis do you suggest?
A few pages back there is a set-up for carpet/foam and on the set-up sheet the chassis is 2.5mm (U3566) with 3mm top deck.
I already have the 3mm top deck and I don’t have the 2.5mm chassis but before ordering one I will like to know if I should order the 3mm chassis instead (U3567) ?
And if my local track change is rule to go with rubber tire (on carpet) which chassis do you suggest?
#1869

I'm running blues up front and white in the rear. we run 10.5 and have a high speed sweeper and a fairly fast chicane along with a hair pin and 2 other fairly sharp turns. I will have to pick up some 6* caster blocks and see how they fair. thanks! also what is the difference in the arms? i have some graphites and medium flex for front and rear. are the two different ones noticeable?
#1870
Tech Master
iTrader: (13)

Does your car push on exit? You can take some droop out of the front. To gain some on-power steering. You can also lay your rear shocks down. It helps the car rotate thru the corner. With running at Blue Diamond. You also might want to add some ackerman. This also adds steering in high speed sweepers and the other fast areas of he track.
#1871

I was thinking the same, 
angling in the rear shocks theoretically softens the rear shocks giving more grip to the rear end of the car
and again the opposite on the front droop
, more front droop (ie more upward travel) will give more on power steering, if the car is not rotating try running a little less rear tow, or slightly harder spring this will make the back end a little less planted and allow it to turn better
IMO

angling in the rear shocks theoretically softens the rear shocks giving more grip to the rear end of the car
and again the opposite on the front droop

IMO

#1873
Tech Master
iTrader: (13)

I was thinking the same, 
angling in the rear shocks theoretically softens the rear shocks giving more grip to the rear end of the car
and again the opposite on the front droop
, more front droop (ie more upward travel) will give more on power steering, if the car is not rotating try running a little less rear tow, or slightly harder spring this will make the back end a little less planted and allow it to turn better
IMO

angling in the rear shocks theoretically softens the rear shocks giving more grip to the rear end of the car
and again the opposite on the front droop

IMO

Perhaps a band-aid, but if you are looking for more off power steering you could also try:
- more drag break: very nice for me
- thinner front shock oil
- less rear toe: careful she could get tricky, try like half a degree less
- shell: don't know what you are using but you could try a DNA, R9R or LTC-R and you could try mounting the wing more forward or mounting the body more forward
- little more front camber
- higher rear hinge pins: very nice
Hope it helps!
#1875
Tech Master

Mike/Kenny. I'd be surprised if the base UK setup was far off - but i'll be fair, maybe if you guys race on temp car park tracks with zero traction, then maybe not. If you look at Chris's TITC setup, and his setup from the UK national last year (Mendip) then there isn't a huge amount in it - geometry is very similar, just shock differences. We went back to Mendip last weekend, and only changed springing to accommodate lower weight that we run now. Even on carpet (rubber tyre of course) geometry wise we don't change much - the odd 0.5mm here and there and that's about it. But hey, you guys know your tracks.
.....and as for Rear shocks - laying them down gives you more weight transfer (side to side) in the corner, and hence more rotation in the later part of the corner.
Double D - LTC-R has more steering.
.....and as for Rear shocks - laying them down gives you more weight transfer (side to side) in the corner, and hence more rotation in the later part of the corner.
Double D - LTC-R has more steering.