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Gib Mastri, the chief instructor at the Seattle Fire Dept in the US explains how he uses a ControlPAL gauge to show drivers how to maintain ‘vehicle stability’.


Hello Mike,

We use the ‘Pal’ for the reason you suspected: it's size is better suited to our apparatus. To provide some context and insight into the success I had with the unit recently, let me explain the situation.

We set up a square oval track with four 90 degree corners, each 18' wide with a 30 degree radius. In between the corners were two short straights at about 200 hundred feet and two long straights at about 300 feet, each. On one of the long straights we added a chicane. The speed limit on the course is 25 mph. The Pal was set at .5g, which is the Rollover Threshold for American fire apparatus as determined by the manufacturers JHA. The intent was for the student to drive the course while keeping the lights in the green, utilizing the skills we teach: Straight line Braking, Push/pull (Shuffle) steering and Wide/deep entry.

The instructor drives multiple laps, explaining the Pal first then demonstrating the correct techniques which are built on systematically. While the students aren't aware of it initially, the instructor is utilizing all three techniques each time he drives, but we start just focusing on the steering because it is the hardest technique for students to grasp. The instructor also drives several laps incorrectly, so the students see the Pal in action as it hits between the green and the Rollover Threshold. After each instructor drive, we place the student behind the wheel for multiple laps to practice what we have just preached; this progresses through each subsequent skill point until our students are able to put them all together in one lap. After that come multiple reinforcing, practice laps.

Perhaps my greatest thrill in using the Pal is how it so simply and yet emphatically demonstrates the differences between the correct techniques for driving and those that get us in trouble. The question nearly every student asks me is "are you driving the same speed on both the correct and incorrect demos"? They are convinced I'm using smoke and mirrors or some form of deception to trick them into belief. Yet once they see the speedometer stay the same for a lap or two of both correct and incorrect technique, the hammer hits and conversion begins. It's the Pal that helps pull that realization so keenly into focus. I would like to send you a video at some point, but I will need to get approval for that from my higher-ups.



Questions and Answers


I’m delighted to say a number of ADIs have raised questions or commented about using a Sixth Sense Gauge so we have added a ‘Q & A’ page. Mike Knight’s answers are highlighted in green.


Question

First up is one from Paul Ellison ADI who asks – do they record any data or is it just live feed with lights flashing?



Question

Next is Chris Mitchell who comments - Interesting… so a gadget that ‘feels’ the car and sets off lights and makes some sound if the car is out of balance. Can’t help but feel this solves a problem that shouldn’t exist if instructors teach the feel of the car from the very start. Don’t instructors teach to feel the balance of the car anymore? Feel the steering, the pedals, the seat/seat belt, hearing? Do we not teach to use your eyes and predict grip depending on tyre quality, tread depth, how wet/dry/moist the road is? Is there debris, leaves, stones, could there be ice? Have we really dumbed down to this? Are we not in the car to say “that was a tad fast round the bend. Did you feel like they struggled for grip? That’s called scrubbing and is the tyres losing grip just before you leave the road into a ditch/tree. “You can’t run our of talent or tarmac, as it goes very dark, and quiet and that’s it. No reset. Life is over”

(6SG user) Simon Stevenson replied “ the unit doesn’t replace feel but it definitely helps highlight what is happening in the here and now to enforce what might or might not be understood from the ‘feel’. There are 3 settings to it which also allows the driver to build on those ‘feel’ skills and the lights and sound again assist in enforcing that what the driver is feeling is exactly what they are feeling. If you’ve not tried one I suppose it’s hard to understand fully how it can be beneficial. In no way am I linked to the company, but I do have one. It is value for money….in my honest opinion if it’s not reduced in its original price I’d say they are a tad pricey for what they are, but I do find it does make my learners who use it appreciate more of what they are feeling and why it is they are feeling it.”



Question

Next is Brian Leslie – So I watched the video and the lights and sound came on after balance had been lost. That’s too late. As an instructor you’d be intervening before that happened with a prompt or instruction. A wee light and beep after you lose balance could prompt an inexperienced driver to brake thus exacerbating the problem. Definitely not for me. Proactive teaching and coaching and driving. Not reactive to some lights and a beep.



Question

David Brocklesby comments – How much???

Sorry I like the idea, can see some advantageous uses for it to visually put stability into perspective, and would definitely consider one (more for my fleet work) but not at a hundred quid. There are apps available that use the phones built in gyroscopes that do a similar job and allow you to review the information. Does this have a connected app or anything to review or monitor the information?



Question

Andrew McKensie says – I feel the lights and sounds could be a distraction to drivers. It could be easy to get fixated on the dials and miss something on the road. Given that modern cars have very sophisticated stability management systems I think this tech is trying to solve a problem that was possibly an issue years ago.

Without trying to be crude your backside will tell you soon enough that the car is starting to roll. A good driver should be taught to avoid rolling before a sensor is telling you it is happening.



Question

Stuart Mclaughlin – I don’t need coloured lights or flashing lights I can tell if my car is being ragged around corners and being driven aggressively.



Question

Richard Henderson – Not sure I want my clients watching lights on the device when they should be watching the road.



Question

Peter Hall – Seems to be directly in the field of vision. Not sure how you think it would improve safety.



Question

Simon Stevenson ADI – Got one they are great!

Phil Harrison replied, do you need to charge them up or are they battery powered?

Phil replied – thanks!