Operation - K+R Performance Engineering PRO-CUBE Installation And Operating Manual

Delay box / timer unit
Table of Contents

Advertisement

Pro Cube
In the following diagram, Timer 1 has been configured to operate in reverse "normally on" mode for
compatibility with throttle stop equipment that requires power to hold the throttle open.
STAGE 1
1.000 SEC
WOT
(POWER APPLIED)
Bump-Down Ò:
One of this unit's most powerful bracket racing features, Bump-Down Ò allows you to correct for
late reactions by subtracting delay time after releasing the trigger switch. This feature can also be used to
subtract time from stages 2 & 4 of TIMER 1. Program the amount of time you want subtracted from the
delay (or TIMER 1) each time the bump-down switch is pressed. Range for this value is 0.000 - 0.099
seconds. The bump-down time settings are independently set for "Pro tree" and for "Full tree" run programs.
Transbrake Lockout Timer:
To prevent accidental re-engagement of the transbrake after launch, a lockout timer is built-in to
disarm the transbrake and line lock outputs for a programmed period of time. The factory setting is 120
seconds, but you can program it to any value up to 3999 seconds. The displays will show all dashes (- - - -)
during the lockout delay and no changes can be made until the lockout timer completes. The RESET switch
can be used to manually override this delay and allow the transbrake to be reactivated (after backing up from
burnout, for example). The transbrake lockout time settings are independently set for "Pro tree" and for "Full
tree run programs.

OPERATION

The Pro-Stageä System:
The Pro-Stage™ system requires a compatible (pneumatic) throttle control adjusted to hold the
engine to near idle with the throttle pedal in the full throttle position. The system reduces the amount of
work you have to do on the starting line and minimizes the amount of time the engine is at full throttle. By
eliminating part of the work, your concentration on the tree is improved and your reactions are more
consistent. By minimizing the amount of time the engine is at full throttle, less heat is generated in the
engine and converter which should also result in greater consistency. Furthermore, mechanical stress
potentially caused by deliberate misfire RPM limiting devices is also reduced.
The output is activated by tapping the PSTG/BMP switch as you roll up to the starting line and
prepare to stage. You can then put your foot to the floor (in the wide open position) as the engine is held to
near idle by the throttle stop. On a Pro tree, the throttle stop will automatically release and bring the engine
wide open as soon as the transbrake switch is pressed. On a full tree, the engine will remain on the stop at
near idle until you release the transbrake trigger switch. Wide open throttle (WOT) will be further delayed by
any cross-over time to keep the engine at low RPM until your side of the tree is activated. With the
Pro-Stage ™ system, high engine RPM will be limited to a short and consistent amount of time before
launch.
STAGE 4
4.00 SEC
STAGE 3
3.00 SEC
STAGE 2
2.000 SEC
THROTTLE
CLOSED
(POWER REMOVED)
THROTTLE
WOT
WOT
CLOSED
(POWER APPLIED)
(POWER REMOVED)
5
K+R Performance Engineering, Inc.
WOT
(POWER APPLIED)
WOT = WIDE OPEN THROTTLE

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PRO-CUBE and is the answer not in the manual?

Questions and answers

Table of Contents