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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Suspension Discussion and Modification
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<blockquote data-quote="zombiekiller" data-source="post: 1433348" data-attributes="member: 25186"><p>without being able to see the table values, it is kind of hard to say. Ford and fox made it a point to make it a pain in the ass to view the tables or mess with them.</p><p></p><p>I know the system is using steering, throttle, transmission, brake, gyro, abs and wheel speed inputs.</p><p></p><p>That would leave me to believe that the sensor on the control arm is measuring angle, which is also why you have to do a relearn/reset when you add a collar, different springs, or upper control arms.</p><p></p><p>Essentially that made a system that could have been really simple to implement and to retrofit, insanely complex for no good reason.</p><p></p><p>What it doesn't do is sense shock shaft speed, shock shaft position, nor shock fluid temp. You could make an argument that they didn't use the most valuable data points from a desert truck perspective.</p><p></p><p>As far as where it should be and knowing it: It knows what the static angle should be. It knows what the angle should be at either extreme. based on what the "correct" angle should be in relation to all of those other variables, the computer will make micro valve adjustments to keep the shocks in the "optimal operating range". I'm pretty sure that it also calculates the speed and amount of angle change to calculate the position of the wheel centerline as well as some voodoo around what different motions mean. (i.e. if the angle goes from full bump to full droop in x time, crank up the compression bc we're coming in for a hard landing.") </p><p></p><p>Again, I personally think it isn't the best implementation that could have been created, but bean counters always keep engineers from doing things the "rightest way".</p><p></p><p>Can you imagine what some members of this board would have said if the sticker on a raptor was $100K instead of 70ish?</p><p></p><p>Now you know why the system is as it is. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p><p></p><p>Oh and thanks for the compliment. I miss my raptor. Its been in pieces since oct.</p></blockquote><p></p>
[QUOTE="zombiekiller, post: 1433348, member: 25186"] without being able to see the table values, it is kind of hard to say. Ford and fox made it a point to make it a pain in the ass to view the tables or mess with them. I know the system is using steering, throttle, transmission, brake, gyro, abs and wheel speed inputs. That would leave me to believe that the sensor on the control arm is measuring angle, which is also why you have to do a relearn/reset when you add a collar, different springs, or upper control arms. Essentially that made a system that could have been really simple to implement and to retrofit, insanely complex for no good reason. What it doesn't do is sense shock shaft speed, shock shaft position, nor shock fluid temp. You could make an argument that they didn't use the most valuable data points from a desert truck perspective. As far as where it should be and knowing it: It knows what the static angle should be. It knows what the angle should be at either extreme. based on what the "correct" angle should be in relation to all of those other variables, the computer will make micro valve adjustments to keep the shocks in the "optimal operating range". I'm pretty sure that it also calculates the speed and amount of angle change to calculate the position of the wheel centerline as well as some voodoo around what different motions mean. (i.e. if the angle goes from full bump to full droop in x time, crank up the compression bc we're coming in for a hard landing.") Again, I personally think it isn't the best implementation that could have been created, but bean counters always keep engineers from doing things the "rightest way". Can you imagine what some members of this board would have said if the sticker on a raptor was $100K instead of 70ish? Now you know why the system is as it is. :cool: Oh and thanks for the compliment. I miss my raptor. Its been in pieces since oct. [/QUOTE]
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