08 pds fly up hills

[scottyb]

Originally Posted by dirtydonkeys11

did you have to lift the cart with the 20" tires

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20 inch knobbies fit the rear of the cart without lifting. I'm running stock tires in front and stock rims all the way around.

[dirtydonkeys11]

Originally Posted by scottyb

20 inch knobbies fit the rear of the cart without lifting. I'm running stock tires in front and stock rims all the way around.

thanks

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[BIGBONVI]

Originally Posted by JohnnieB

What field map are you running in the DCX?

Field maps have to match, or at least be compatible with, the make/model of the motor.

Also, what is the max inflation pressure stamped on the sidewalls of you mud tires?

#51 on map. Low pressure, maybe 10 at most

[JohnnieB]

Originally Posted by BIGBONVI

#51 on map. Low pressure, maybe 10 at most

I'm pretty sure that is the field map for an EZGO flavored D&D torque motor.

Apparently the low pressure tires are holding the top speed down a bit, but it also appears that your motor is reaching a higher RPM than predicted on D&D's website.

Unfettered by the 4400 RPM limiting imposed by the stock PDS controller, a stock PDS motor will spin at about 5600 RPM at 36V when fed through a DCX controller running map#4 with Turbo on, which is about 24 MPH on stock Height (18") tires.

Mathematically, when you were running a DCX controller at 36V with a stock PDS motor, you should have gotten 29.5 MPH, but you were getting 24 MPH, so you were losing about 5.5 MPH or roughly 18.6% of the maximum obtainable RPM at 36V.

With your D&D torque motor, you are getting 17 MPH, so the motor is spinning at 3231 RPM and upping that by 18.6% yields 3832 RPM, or a bit over 20 MPH.

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Since your 36V setup is maxing out at 17 MPH, going to 48V will up the top speed by 33.3% to almost 23 MPH and it will ,proportionally, not slow as much going uphill.

Going to a high pressure (>20 PSI) mud tire, your top speed would increase while retaining all the low end torque.

[dirtydonkeys11]

Originally Posted by dirtydonkeys11

how quick can I get the xct500pds / solenoid / and cables if I order today?

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if I add the battery do I have to upgrade the stock Motor or the solenoid?

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[scottyb]

Originally Posted by dirtydonkeys11

if I add the battery do I have to upgrade the stock Motor or the solenoid?

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No solenoid upgrade needed with the XCT500PDS kit. You should have a tracking # for this kit already.

[dirtydonkeys11]

Originally Posted by dirtydonkeys11

thanks

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it looks like I can fit a bigger tire than 20 on my cart what do you think?

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[scottyb]

I don't think so. 22's will rub in the turns and the brake pedal will hit the tire in a left turn prohibiting braking

[dirtydonkeys11]

it looks like I can fit a bigger tire than 20 on my cart what do yall think?uploadfromtaptalk1452544585961.jpguploadfromtaptalk1452544594379.jpguploadfromtaptalk1452544604403.jpg

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[scottyb]

We don't think - we know. lol See post #28