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Jonathan Kay

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Everything posted by Jonathan Kay

  1. Jonathan Kay
    Any more experiences of lithium batteries in Sevens, please? Thanks Jonathan
  2. Jonathan Kay
    Response over here. Jonathan
  3. Jonathan Kay
    This has most definitely been discussed before, but what is the general consensus on lithium battery’s to replace the banner battery that has died in my R400K. I don't think that there is any consensus because there haven't been enough reports on particular makes and models. Probably the best single thread, and I'm trying to document mass and price and energy storage etc over there. But I'm totally convinced that they're worth considering. Jonathan
  4. Jonathan Kay
    There's one set of spring compressors in the Equipment Register. Jonathan
  5. Jonathan Kay
    Firstly there is a rubber grommet on each leg of the cable and I can not fathom out where they are supposed to be seated. I don't think that they do anything: previous discussions. And I've always assumed that they were there for the car for which it was originally designed. Jonathan PS: Have you seen the hints about not tightening the handbrake cable until the rear brakes are set?
  6. Jonathan Kay
    Well done. Jonathan
  7. Jonathan Kay
    My desk vibrates when you rev it! ;-) Just Bluetooth and the battery on the wheel? No other wiring? And could you develop it so that the display could be either in the wheel or higher in the line of sight to see which works better? Jonathan
  8. Jonathan Kay
    Thanks, both. If we can see all the inputs to the ECU (and I think we can) and we can see all the outputs (again, I think we can) then as we drive the car around (or perhaps more scientifically on a rolling road) we should be able to deduce the map - especially as we know how many maps there are (from the unlocked ECU maps that are around) and what format they take. How far could you get on the bench? I was wondering if you could inject signals mimicking what would come from the real sensors... perhaps with another Raspberry Pi with an array of D-A converters? Jonathan
  9. Jonathan Kay
    Edited: Crossed post. I think i need a replacement small loom that goes from the clear square connector on the chassis loom to the inline black fuel pump connector You might be able to buy that subloom. But changing the connector at the pump end might be all you need. I don't know what it is is but we have some experts... colour codes appear applicable to both Yes, Caterham generally stick to the British "standard". Jonathan
  10. Jonathan Kay
    If it's the same as the diagram I'm looking at: YG is the feed from the inertia switch. GB goes to the fuel gauge. In that style of diagram the numbers identify the way so you should be able to find the same number and colour code at the other end of the wire, possibly YG 168 and GB 148. Jonathan
  11. Jonathan Kay
    What colours are all the wires? Have you already got a wiring diagram? Jonathan
  12. Jonathan Kay
    My limited understanding might be about to show. You can't (yet) get the map as a data object. But could you deduce all of the production rules that make up the map by injecting the relevant input values and recording the outputs? And with the work you've done already could that be automated? Thanks Jonathan
  13. Jonathan Kay
    What ScottR400D says above, and posts #7 to #11. I have filed down the shoulders of the rivers so they fit fully inside the hole of the popper base if that’s what you are referring to. Rivets or rivet gun? I wouldn't do that to a rivet. The discussion above is about reducing the size of the nose of the rivet gun, not the size of the rivets. Also I see that with the existing poppers, there is a small washer on the inside of the boot panel which the rivets sit up against. Presumably to add strength against the years of unpopping that will follow? I’m going to look for some similar washers so I can do the same on the new ones. Posts #30 and #31 for the positioning. Jonathan
  14. Jonathan Kay
    part numbers printed on a label on pump :- 19780189931 and 53036/260. I got it from Redline ( excellent service) 53036/260 was used by Caterham Parts in Japan. Big decision, Caterham or wife's MX5 to France. You've got access and seen the relevant parts that might be causing problems. You've got a wiring diagram and a multimeter. I'd now see if you can get a replacement pump where and when you want it. And check the relevant wires and connectors. And then take the Seven and a few more electrical bits than usual. :-) Jonathan
  15. Jonathan Kay
    Full search of the archives. Jonathan
  16. Jonathan Kay
    Are you sure that the fault is in the unit rather than the switch, connectors, fuse etc?? Jonathan
  17. Jonathan Kay
    Going to re-check the immobiliser and fuses first. I'd include the inertia switch (as above) and all of the connectors that might affect the fuel pump. NB earths as well as feeds. I don't know about CSRs but I wouldn't assume that the immobiliser kills the fuel pump: "A little bit of experimentation also settles once and for all an argument that I’ve had with several people over the years: THE IMMOBILISER DOES NOT DISABLE THE FUEL PUMP!" Jonathan
  18. Jonathan Kay
    Which unit do you have? Start here. Jonathan
  19. Jonathan Kay
    How can you check power to the pump as connections look unusual. Have you got a wiring diagram? Let me know if you need one. And a multimeter? ... Previous discussions of CSR fuel pump. Includes a similar story caused by problems with the inertia switch. ... Steve Marsh's CSR resources, including the fuel pump module sub loom wiring. Jonathan
  20. Jonathan Kay
    The Coke can test works (just!)... Thanks Jonathan
  21. Jonathan Kay
    Please send me a Private Message with your email address and details of the Seven. Jonathan
  22. Jonathan Kay
    The 1990 and 1998 factory recommendations, and subsequent discussion. Would you like an Assembly Guide? Jonathan
  23. Jonathan Kay
    Thanks Jonathan
  24. Jonathan Kay
    In one of the previous discussions torque sticks were suggested for use with impact wrenches. IIRC they were still expensive in the UK and someone was going to buy a set in the USA. Any recommendations at 271 Nm? Jonathan
  25. Jonathan Kay
    Halfords Advanced Torque Wrench Model 300: 60 to 300 Nm. Reversible. £99, Club discount, as noted above, and possibly special offers. Clarke PRO238 1/2" Drive Digital Torque Adaptor. £44.39. 40 to 360 Nm. A customer comment says that it is reversible: please can someone confirm. Jonathan
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