2LikesAdvanced Electronics Black Diamond ESC
07-21-2010, 02:31 PM
#286
Tech Adept
Also forgot to mention I had cogging issues off the line.
Whenever I applied full throttle straight away the car would lurch then act like I had stabbed the brakes.
Provided I was a bit more progressive with the throttle the car was fine.
I did try a different sensor wire as well as the variety of gearing.
Skiddins
Whenever I applied full throttle straight away the car would lurch then act like I had stabbed the brakes.
Provided I was a bit more progressive with the throttle the car was fine.
I did try a different sensor wire as well as the variety of gearing.
Skiddins
07-21-2010, 03:51 PM
#287
anybody had issues with it going backwards on a start?
I have a lrp x12 17.5 -15 timing block and was holding the brake as it's a downhill straight and the car lurched a foot back, I let off and then gased it and it took off forward but by then it was too late and the guy behind me had crashed me into the wall. unfortunately for him he broke hitting me. funny enough he was the only other one out ther running a BD so that took both of us out of a chance to win as by the time I got going back again I was a lap down. I got back to the leader but by then it was too late to pressure him for the lead.
I have a lrp x12 17.5 -15 timing block and was holding the brake as it's a downhill straight and the car lurched a foot back, I let off and then gased it and it took off forward but by then it was too late and the guy behind me had crashed me into the wall. unfortunately for him he broke hitting me. funny enough he was the only other one out ther running a BD so that took both of us out of a chance to win as by the time I got going back again I was a lap down. I got back to the leader but by then it was too late to pressure him for the lead.
07-22-2010, 05:48 AM
#289
07-22-2010, 03:54 PM
#291
anybody had issues with it going backwards on a start?
I have a lrp x12 17.5 -15 timing block and was holding the brake as it's a downhill straight and the car lurched a foot back, I let off and then gased it and it took off forward but by then it was too late and the guy behind me had crashed me into the wall. unfortunately for him he broke hitting me. funny enough he was the only other one out ther running a BD so that took both of us out of a chance to win as by the time I got going back again I was a lap down. I got back to the leader but by then it was too late to pressure him for the lead.
I have a lrp x12 17.5 -15 timing block and was holding the brake as it's a downhill straight and the car lurched a foot back, I let off and then gased it and it took off forward but by then it was too late and the guy behind me had crashed me into the wall. unfortunately for him he broke hitting me. funny enough he was the only other one out ther running a BD so that took both of us out of a chance to win as by the time I got going back again I was a lap down. I got back to the leader but by then it was too late to pressure him for the lead.
As far as I was aware it was a forward only ESC
...Saying that sounds like it would have been a good race to watch ... coming from last though the field.
07-24-2010, 08:53 PM
#294
There seems to be some issue with the X-12 motors on the BDv2. I can't get either my 10.5 or 17.5 to work in my TC unless I run MAX timing on the motor. It works really well withe the new Orion motors though so give one of them a try if you like a motor with lots of rip.
07-28-2010, 02:39 AM
#295
Tech Regular
testing up date
Had a test day yesterday at the largest indoor permanant in the Uk.Testing with a GM 13.5 and BD esc.
Final run was rollout of 89.5mm using profile 5 and motor timing of 30 degrees advance. After an 8 minute run motor temp was a healthy 68c. Plenty top speed and punch.Tranny exp on plus 10 helps with rip out of corners.
On a direct comparison with a GM 10.5 best lap time was only adrift 0.20 of a sec.
Now too work on the 17.5 with limited profile. Sounds like rollout is going to be BIG BIG BIG. Any suggestions
Final run was rollout of 89.5mm using profile 5 and motor timing of 30 degrees advance. After an 8 minute run motor temp was a healthy 68c. Plenty top speed and punch.Tranny exp on plus 10 helps with rip out of corners.
On a direct comparison with a GM 10.5 best lap time was only adrift 0.20 of a sec.
Now too work on the 17.5 with limited profile. Sounds like rollout is going to be BIG BIG BIG. Any suggestions
07-29-2010, 05:03 PM
#296
Receiver pack
Just to clarify, if I'm running a little LiFe receiver pack with my BD (12th scale 1C-Lipo), which pins do I use for the wiring of the receiver pack?
Do people use the little plug included in the kit or is there a better method to wire to the pins?
Thanks Greg G
Do people use the little plug included in the kit or is there a better method to wire to the pins?
Thanks Greg G
07-29-2010, 05:09 PM
#297
Remove the jumper from 5 - 6
Insert the power cable into pins 5 (+) [top right pin] and pins 4 (-) [bottom right pin]
We have just been adapting an servo extention cable, the spare in the kit is just another jumper pin.
Last edited by Me_MrTyson; 07-29-2010 at 05:29 PM. Reason: *added Extra info*
07-30-2010, 10:06 PM
#298
What I used was a small adaptor lead from Team Laser. It is called a "Futaba Female to JST Male" part No. LAH-452. I removed the pins from the JST end and just added heatshrink over the top. Then they plug perfectly into the pins on the BD and you can then stick down the Female Futaba plug onto your deck. This allows you to plug in the receiver pack (like a switch) for racing and unplug to turn the car off and plug the pack into your charger. This is actually a common trick the nitro boys use. You should get at least 3 runs off a standard 200mAh life pack with the BD even with a DP transponder. I have attached a picture so you can see what I have done.
08-02-2010, 09:08 AM
#299
Also forgot to mention I had cogging issues off the line.
Whenever I applied full throttle straight away the car would lurch then act like I had stabbed the brakes.
Provided I was a bit more progressive with the throttle the car was fine.
I did try a different sensor wire as well as the variety of gearing.
Skiddins
Whenever I applied full throttle straight away the car would lurch then act like I had stabbed the brakes.
Provided I was a bit more progressive with the throttle the car was fine.
I did try a different sensor wire as well as the variety of gearing.
Skiddins
If anyone is having the same problem, try dropping the profile and upping the gearing and see what happens, would be interesting to see if it is to do with undergearing and too much timing.
Skiddins
08-02-2010, 09:15 AM
#300
I tried the Corally motor again yesterday having upped the gearing from 5.6 to 5.37, there was no cogging off the line at all
If anyone is having the same problem, try dropping the profile and upping the gearing and see what happens, would be interesting to see if it is to do with undergearing and too much timing.
Skiddins
If anyone is having the same problem, try dropping the profile and upping the gearing and see what happens, would be interesting to see if it is to do with undergearing and too much timing.
Skiddins