2 issues wich need your help!

Hi, i have assembled my own design reprap wich is a classic design like the mendel. And i have some issues wich need you!
i am using marlin on a printrboard.
1) My geared extruder with a 59/11 ratio doesn't extrude enough like if i ask for 10mm i don't even get 1mm
in my configuration.h the hobbed bolt diameter and the ratio are defined. i will try tomorrow if it's ok if i put 11/59 instead of 59/11 it seems more logical.

2) x axis doesn't home. y and z works properly. x is the only one where the endstop (mechanical) is on the max side. this is why i set #define X_HOME_DIR 1 instead of -1 but it doesnt change anything when i ask for a homing in x it doesn't move and print x=0 on repetier host just like it founded that it was exactly on the endstop ... but it wasn't , and M119 command always respond the real state of my endstop...
thanks for your help!!!

No, not 11/59
Did you use the attached formula?

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Waitaki 3D Printer

wich one?

The extruder one

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Waitaki 3D Printer

i made a mistake in the density packing calcul seems to extrude what is asked. but now i can see that there is also the filament sliping around the hobbed bolt.
for the x axis i finally put it in the min position like the other tand it works