Legs in neutral position
Legs in neutral position
by subpilot
Fri Mar 03, 2006 9:42 pm
When I put my Robonova together there was something odd about the legs. On page 13 they state that the legs must fold completely. The indexing on the knee joint does not seem to agree. When I run the example code the default leg position makes the knee bend backwards. Did anyone else encounter this?
by bauermech
Sat Mar 04, 2006 3:15 am
Yeah, that is strange.... It's with both knees? Sounds like the servo-motors are backwards, switched, or something...
Likewise, without seeing it, it's a shot in the dark... Here are some blind suggestions:
(1) Make sure the brackets (two HR1B-0003's) are offset where the two knee servos attach to each other. I almost didn't do it when putting mine together.
(2) Be sure the screw placements coincide with the correct servo horn numbers...
Knee to Thigh (Right/Left):
8 2
6 2 8 4
4 6
Knee to Shin (Right/Left):
4 6
2 6 4 8
8 2
I don't know, just some thoughts... post a pic if it's none of these help.
Likewise, without seeing it, it's a shot in the dark... Here are some blind suggestions:
(1) Make sure the brackets (two HR1B-0003's) are offset where the two knee servos attach to each other. I almost didn't do it when putting mine together.
(2) Be sure the screw placements coincide with the correct servo horn numbers...
Knee to Thigh (Right/Left):
8 2
6 2 8 4
4 6
Knee to Shin (Right/Left):
4 6
2 6 4 8
8 2
I don't know, just some thoughts... post a pic if it's none of these help.
by subpilot
Sat Mar 04, 2006 7:10 pm
I don't get it and the drawing doesn't help. If you put your leg straight like this:
What index position is the top screw at on the three joints (I marked them as 1,2,3) on each leg. Right being the same as what you'd call your right leg.
I have R1=1, R2=4, R3=5 L1=1, L2=6, L3=5
What index position is the top screw at on the three joints (I marked them as 1,2,3) on each leg. Right being the same as what you'd call your right leg.
I have R1=1, R2=4, R3=5 L1=1, L2=6, L3=5
by bauermech
Sun Mar 05, 2006 1:14 am
Hmmm... this is what I've got...
The robot's left leg:
L1>2, L2>6, L3>4
Robot's right leg:
R1>8, R2>4, R3>6
Each of these indicates the top screw (as though he were standing upright) in refrence to the numbers on the servo horn disks
Here's what he looks like on his belly...
If this isn't what you're looking for, or still doesn't help, let me know. Do you have a picture of what the legs look like when you 'fold' them up together ...or at least as far as you can get them to fold?
The robot's left leg:
L1>2, L2>6, L3>4
Robot's right leg:
R1>8, R2>4, R3>6
Each of these indicates the top screw (as though he were standing upright) in refrence to the numbers on the servo horn disks
Here's what he looks like on his belly...
If this isn't what you're looking for, or still doesn't help, let me know. Do you have a picture of what the legs look like when you 'fold' them up together ...or at least as far as you can get them to fold?
by subpilot
Sun Mar 05, 2006 2:50 am
That's quite the bit of graphics you did there bauermech. Thanks.
Pev, does that match what you have?
I don't get the instructions. They say:
Clearly that can't be true, can it?
Pev, does that match what you have?
I don't get the instructions. They say:
The left leg is assembled exactly the same as the right leg. Note the position of the numbers on the servo horns during assembly.
Clearly that can't be true, can it?