Author Topic: Transbrake Delay Box  (Read 6712 times)

Offline jspell

  • Full Member
  • ***
  • Posts: 132
    • View Profile
  • Your Best Time: 7.48 / 178
  • Your Track: Maple Grove Raceway
  • Your Vehicle: 2014 Ken Keir Dragster
Transbrake Delay Box
« on: October 09, 2016, 05:28:46 PM »
Hey Dan,
Just installed a Dedenbear RTD-7 box and it makes the solenoid release appear "lazy"  once the entered delay time is reached?  With no delay the solenoid snaps in / out.

Offline masracingtd1167

  • Hero Member
  • *****
  • Posts: 1110
  • bill masiello Shelton Ct.
    • View Profile
  • Your Best Time: 7.40's at 181 on motor 6.94 at 192 nitrous
  • Your Engine: 394 chevy
  • Your Track: Lebanon Valley Dragway
  • Your Vehicle: 2003 Neil and Parks
Re: Transbrake Delay Box
« Reply #1 on: October 10, 2016, 08:05:01 AM »
Something wrong there ! It should release just as quickly with or with out a delay .

Offline bikeguy307

  • Full Member
  • ***
  • Posts: 241
    • View Profile
Re: Transbrake Delay Box
« Reply #2 on: October 10, 2016, 09:37:25 AM »
I would check to see if the solenoid is getting warm and sticking during the delay time, cause a lazy release, with no delay, and an extended hold on the button should cause the same result. If this is the result, suspect the solenoid.

Offline jspell

  • Full Member
  • ***
  • Posts: 132
    • View Profile
  • Your Best Time: 7.48 / 178
  • Your Track: Maple Grove Raceway
  • Your Vehicle: 2014 Ken Keir Dragster
Re: Transbrake Delay Box
« Reply #3 on: October 10, 2016, 03:23:30 PM »
We used the delay box this past weekend for the first time during a time run...when I released the transbrake button the car left like it was in second gear...what is happening internally when the solenoid is lazy releasing?

Offline bikeguy307

  • Full Member
  • ***
  • Posts: 241
    • View Profile
Re: Transbrake Delay Box
« Reply #4 on: October 10, 2016, 06:59:39 PM »
The reverse clutch drags on release this will cause the lazy leave.

Offline jspell

  • Full Member
  • ***
  • Posts: 132
    • View Profile
  • Your Best Time: 7.48 / 178
  • Your Track: Maple Grove Raceway
  • Your Vehicle: 2014 Ken Keir Dragster
Re: Transbrake Delay Box
« Reply #5 on: October 11, 2016, 04:43:26 AM »
OK, makes sense...should I look for internal damage?  Because the car lost a tenth in the 60' (1.19) after 5 consecutive 1.09 passes prior to trying the delay box.  thanks Dan.

Offline bikeguy307

  • Full Member
  • ***
  • Posts: 241
    • View Profile
Re: Transbrake Delay Box
« Reply #6 on: October 11, 2016, 05:28:51 AM »
 Did you run it after the one box pass? If so what was the 60ft. If the 60ft went back to normal without the box, I would say the hit did no damage. It is possible it started to glaze the reverse clutches, but I'm not thinking one hit would have done that.

Offline jspell

  • Full Member
  • ***
  • Posts: 132
    • View Profile
  • Your Best Time: 7.48 / 178
  • Your Track: Maple Grove Raceway
  • Your Vehicle: 2014 Ken Keir Dragster
Re: Transbrake Delay Box
« Reply #7 on: October 11, 2016, 05:34:11 AM »
The pass after the lazy run resulted in a slow (slowest 60') car ever went....which was 1.19.  The weather was considerably better (693DA) which should have resulted in an even faster 60'.  Top speed seemed unaffected.

Offline bikeguy307

  • Full Member
  • ***
  • Posts: 241
    • View Profile
Re: Transbrake Delay Box
« Reply #8 on: October 11, 2016, 09:22:58 AM »
I would pull the trans down and look at it just to be safe. Also I would swap solenoids the check it on the box.

Offline jspell

  • Full Member
  • ***
  • Posts: 132
    • View Profile
  • Your Best Time: 7.48 / 178
  • Your Track: Maple Grove Raceway
  • Your Vehicle: 2014 Ken Keir Dragster
Re: Transbrake Delay Box
« Reply #9 on: October 11, 2016, 11:02:43 AM »
Thanks Dan.

Offline bikeguy307

  • Full Member
  • ***
  • Posts: 241
    • View Profile
Re: Transbrake Delay Box
« Reply #10 on: October 11, 2016, 06:05:40 PM »
Keep me up on your findings.