Checkpoint 19turn spec mod
08-22-2006, 11:52 AM
#256
Tech Apprentice
The rubber o-ring removes the endplay on the shaft. You want to shim the shaft so the ring is just barely compressed when you put the endbell on. This way you get zero endplay, without side-loading the bearings.
08-22-2006, 02:25 PM
#257
4 Cell 19t motor set-up
ran one of these out of the blister and won the C final here in the UK up against brushless & mods in an open event
now I know it's not going to beat a world's A finalist like Andy Griffiths but I would like some more go from it. I'm using IB42's
rears = 48mm / 1.89"
51.408mm (2.024") rollout = full throttle aprrox 80% of lap
56.549mm (2.227") rollout = overgeared, no go out of corners
what spring/brush combo are you all finding the best for carpet racing?
now I know it's not going to beat a world's A finalist like Andy Griffiths but I would like some more go from it. I'm using IB42's
rears = 48mm / 1.89"
51.408mm (2.024") rollout = full throttle aprrox 80% of lap
56.549mm (2.227") rollout = overgeared, no go out of corners
what spring/brush combo are you all finding the best for carpet racing?
08-22-2006, 03:17 PM
#258
ok im thinking about running the 19$ in my SB pro 4wd buggy. any sygestions for springs? the track is for 1/10 truck and the strait is about 75-80 ft long.
Matt
Matt
08-22-2006, 04:29 PM
#259
Originally Posted by radio_car_racer
ran one of these out of the blister and won the C final here in the UK up against brushless & mods in an open event
now I know it's not going to beat a world's A finalist like Andy Griffiths but I would like some more go from it. I'm using IB42's
rears = 48mm / 1.89"
51.408mm (2.024") rollout = full throttle aprrox 80% of lap
56.549mm (2.227") rollout = overgeared, no go out of corners
what spring/brush combo are you all finding the best for carpet racing?
now I know it's not going to beat a world's A finalist like Andy Griffiths but I would like some more go from it. I'm using IB42's
rears = 48mm / 1.89"
51.408mm (2.024") rollout = full throttle aprrox 80% of lap
56.549mm (2.227") rollout = overgeared, no go out of corners
what spring/brush combo are you all finding the best for carpet racing?
The bursh you run depends on how much work you want to to. Atlas brushes with standard springs (med) are really good on 4 cells. If you want go really fast this is good for 3 runs...the 2nd seems best. Then you need to cut and rebrush. Infinity brushes are just a tiny bit slower on 4 cells but last FOREVER. You still need to cut the comm every 3 runs but you just leave the brushes in there.
The keys to speed with the CP Money are shimming the arms with just a tiny tick of endplay with the arm centered in the magnets and breaking it in way longer than you think is necessary. I run it for 8 min at 2v with a fan. The long break in reduces arcing and lets you run a softer spring for less drag. Too short a break in leads to arcing, pitting and high rpm brush bounce with a loss of power late in races.
08-22-2006, 04:49 PM
#260
Originally Posted by AdrianM
We are running in the 2.05" to 2.15" range on US tracks with the Money. 2.05 on tighter indoor tracks and 2.15 on more open tracks.
The bursh you run depends on how much work you want to to. Atlas brushes with standard springs (med) are really good on 4 cells. If you want go really fast this is good for 3 runs...the 2nd seems best. Then you need to cut and rebrush. Infinity brushes are just a tiny bit slower on 4 cells but last FOREVER. You still need to cut the comm every 3 runs but you just leave the brushes in there.
The keys to speed with the CP Money are shimming the arms with just a tiny tick of endplay with the arm centered in the magnets and breaking it in way longer than you think is necessary. I run it for 8 min at 2v with a fan. The long break in reduces arcing and lets you run a softer spring for less drag. Too short a break in leads to arcing, pitting and high rpm brush bounce with a loss of power late in races.
The bursh you run depends on how much work you want to to. Atlas brushes with standard springs (med) are really good on 4 cells. If you want go really fast this is good for 3 runs...the 2nd seems best. Then you need to cut and rebrush. Infinity brushes are just a tiny bit slower on 4 cells but last FOREVER. You still need to cut the comm every 3 runs but you just leave the brushes in there.
The keys to speed with the CP Money are shimming the arms with just a tiny tick of endplay with the arm centered in the magnets and breaking it in way longer than you think is necessary. I run it for 8 min at 2v with a fan. The long break in reduces arcing and lets you run a softer spring for less drag. Too short a break in leads to arcing, pitting and high rpm brush bounce with a loss of power late in races.
08-22-2006, 06:45 PM
#261
Originally Posted by Marcos.J
Hey Adrian what fdr do you recommend on a touring car? also what esc settings?(Keyence zero extreme)
Cut the comm every run. The Brushes will last 15 to 25 runs. I measure them and replace them when I loose 1mm in length or if the amps are less than 8A at 2v with a fan after re-breaking them in.
I really like this motor but I usually run an Orion 19 Laydown brush since no one has CP brushes in Tampa.
08-22-2006, 06:52 PM
#262
Originally Posted by AdrianM
Run Infinitiy brushes with the stiffest spring Check Point makes. Gear it ~5.20 at Speedline. Be sure to run a fan blowing on the endbell. This helps the motor finish a run stronger. You have to be smooth and keep the corner speed up with this gear though.
Cut the comm every run. The Brushes will last 15 to 25 runs. I measure them and replace them when I loose 1mm in length or if the amps are less than 8A at 2v with a fan after re-breaking them in.
I really like this motor but I usually run an Orion 19 Laydown brush since no one has CP brushes in Tampa.
Cut the comm every run. The Brushes will last 15 to 25 runs. I measure them and replace them when I loose 1mm in length or if the amps are less than 8A at 2v with a fan after re-breaking them in.
I really like this motor but I usually run an Orion 19 Laydown brush since no one has CP brushes in Tampa.
08-23-2006, 09:24 AM
#264
Originally Posted by AdrianM
The keys to speed with the CP Money are shimming the arms with just a tiny tick of endplay with the arm centered in the magnets and breaking it in way longer than you think is necessary.
You can call me crazy but it works!!
EA
08-23-2006, 10:44 AM
#265
Tech Regular
Originally Posted by EAMotorsports
If you want more RPM out of a motor try puttin all the shims at the bottom of the arm and just one .010 at the top. For more torque do the opposite.
You can call me crazy but it works!!
EA
You can call me crazy but it works!!
EA
08-23-2006, 11:39 AM
#269
I wonder if it has something to do with moving the arm up and out of the magnetic feild... when you put all the shims on the bottom. And when you put the shims all on the top it produces more torque because more of the arm is sitting in the magnetic feild....
-Korey
-Korey
08-23-2006, 11:42 AM
#270
Originally Posted by Sushi Boy
I wonder if it has something to do with moving the arm up and out of the magnetic feild... when you put all the shims on the bottom. And when you put the shims all on the top it produces more torque because more of the arm is sitting in the magnetic feild....
-Korey
-Korey
EA
