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Thread: House's ITB XE build and re-build

  1. #1811
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    Good effort. Lets hope for better luck this time round.

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    As the garage has air con I spent a few hours in there today!!

    Got the Vbox installed for Mallory



    Ran the antenna up through an existing hole.



    Also added this BFO red light in the car as a low oil pressure light, might seem a bit extreme but in certain light it's hard to see the Dash2 warnings and I wanted something that would alert me and say




    "stop, bad things, worse than clutch paddles falling off, be happening"

    The light is run off the ECU, set to be on when oil pressure is anywhere between -3psi and 30psi and off if above 31psi.

    The idea being, if the red light comes on and I dip the clutch the ECU will turn off the engine as it's set to do so via the low oil pressure kill function.

    Hopefully, I'll never have to practice this.

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    Default House's ITB XE build and re-build

    Last few items sorted.






    Temp cover made as I've heard that it affects gearbox temps, see how it gets on. If box temps rise then I'll look at some sort of meshing instead that will allow air to flow.



    Bit of project Binky inspired bracketry, Ben didn't like how the bleed nipple was just flapping about in the wind so he commissioned me to create a solution. It's neat enough. Will powder coat it along with the other bits once I know the brake cooling and gearbox cover plates work.

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    Now this will take some explaining!!!!

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    Default House's ITB XE build and re-build

    Last edited by House; 13-08-20 at 07:24 AM.

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    Default House's ITB XE build and re-build

    Just reviewed some data from Mallory, here is a session from Iain and I overlaid, it shows where he was quicker than me, 2.362 seconds over 1 lap, his main gains were in the braking zones for turns 2 and 4, so I was able to go out and work on those corners, I'm still nervous on the brakes after my Cadwell crash so it was good to see I really need to work on it. Iain's lap is the red line and mine the blue.



    I went out in the very next session and got myself nearly half a second up on Iain by turn 4 only to loose that advantage round turn 5, I still managed to beat his quickest time but there's lots more time on the table. Iain in red again and me in blue




    I can see this being really useful and I'm looking at adding some more data logging to have even more squiggly lines to look at.
    Last edited by House; 17-08-20 at 07:27 PM.

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    Thats pretty dang cool!

    What's Delta-T?

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    I'm no race engineer but my understanding is the Delta T is "delta time", or you could say base/ideal/target lap time.

    So in this case the delta T is Iain's lap time, which is represented by the straight red line on the graph, then my lap time is the blue squiggly line that goes + or - to the delta T.

    From that you can look at the time line and see where on track either lap time makes gains or losses and then male changes.

    I'll do some more screen shots a bit later when I get 5 to explain how we work out where the losses and gains translate to the track.

    I will say I am not a race engineer, I literally looked at it and tried to work it out.

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    That makes total sense!

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    Mostly I look on the lateralAcc, graph, and click on the maximum button. From that I see if the setup is better I have bigger corner G-s, or if the tyre is overheated see the lower G-s.

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