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Showing content with the highest reputation on 02/04/2021 in all areas

  1. If I build another car this is how I am doing the fuel cell. Lots of advantages, weight of the cell, pumps and plumbing, plus the fuel weight when full offsets driver weight. Centralizes mass and makes plumbing runs for fuel plumbing much shorter. On overlooked advantage if you have a car that came with a rear mounted fuel tank is that once you move the fuel tank out you have the whole back of the car from the axle centerline to the bumper for aero purposes…. Good door bars, good cage around the cell, everything enclosed in sheet metal. Another nice thing is that you can mount your
    2 points
  2. For racing, it's all about the usable power band. If an engine produces more average horsepower through the rpm range that is being used, it'll be more beneficial than one that has a higher peak number somewhere in the power band but has holes in the power curve for whatever reason. With domestic larger displacement V8s, it's typically air restricted and tapers off at the top; smaller displacements can make more power but will usually need more rpm to do so. The gear ratio spacing in the transmission comes into play by determining the rpm drop after a shift. A wide rat
    2 points
  3. I've been told the nozzles aren't to put the fire out but to give the driver more time to escape.
    2 points
  4. I would prefer something per-race as well. Being all dependent on the national championship, but then having it class based is odd. Also, its not really well written and took a couple calls to understand exactly how this thing pays out. For example, I thought we'd apply for the Enduro bonus, but they require we run with two different series.
    2 points
  5. I would hope a race for cars built for the 2020 Championship and built to the 2020 rules would race using the 2020 rules?
    1 point
  6. I may be wrong, but I don’t think you will get a clearer answer. Bring a car tech’d, vpi’d, and fixed point valued per the 2020 rules. If you choose to leave something off that was zero points in 2020 then thats on y’all. But the 2021 value doesn’t matter because this race is by the 2020 rules and values. But, if the car is slower as it sits now than it was in 2020 then please show up with it that way, we need all the help we can get.
    1 point
  7. Time multiplier for the race will be the same as the practice round, so a little bit of aesthetic low sun but no darkness I think. I promise we'll have some night-time running in other rounds though. I might even show up for the race next week...
    1 point
  8. Having lived with a lap timing tablet for a while I can give a few pointers. Heavy duty Velcro is way stronger than required to hold the tablet in place, all the vibrations in a race cause the hook and loop fibers to interlock so strongly that the real problem is removing the tablet without breaking the glass screen. Keeping power to the tablet in a race car is always a challenge, a hardwired USB charger is way better than a cigarette lighter plug, once you connect your cable you can wrap the connectors in tape to make it waterproof and stays in place. https://www.amazo
    1 point
  9. It’s the old fallacy that Harley guys use to tell them selves that they have a wide power band because they make a lot of torque at 2000 RPM, while a 250cc 4 cylinder superbike that makes peak power at 18,000 rpm but starts making good power by 12,000 rpm actually has much wider useable power.
    1 point
  10. Enjoy....or not.. Vantage is the data logger
    1 point
  11. we run the Racepak in both of our cars. Love it! The after race data analysis is amazing! The only area that it would lack is the live telemetry....however, our cameras do a nice job of showing gauges so we can communicate to drivers to watch temsp, revs, etc...
    1 point
  12. I have a Mk3 Pro and like it a lot. I use an Amazon Fire tablet for display, and concur that the analysis bit needs improvement (and is getting it). For the money I think it's a good deal. It's more than once helped us with pitstops when radios weren't working, both watching the fuel gauge and sending a message to the driver.
    1 point
  13. 89 rx7 with 3500 gm engine. I want: 1)a lap timer (don't have currently.... I borrow one). 2) display with my important engine stuff (water temp, oil temp, afr, oil pressure) 3) live telemetry so we can tell the driver to slow down since they never watch gauges....
    1 point
  14. I am running the RCP Mk3 in our chumpcar and the mk2 in my other track car. I have also messed around with it a lot. Hardware is great but the software is so so, but they are improving it. It's extremely customizable and you do a lot of stuff with it, very much DIY friendly and the support is very good. If you have a decent of car electronics it's great, adding sensors and CAN information is pretty easy. However the AiM is a little easier. The biggest drawback is that you have to configure the system using the tablet. Cheap tablets ($50-$100) work fine for di
    1 point
  15. Yea, I was extremely disappointed. I do not think there is any way to make this wheel fit with this rotor. It actually was not appreciably closer to fitting than a 15x7 TRM. The only way would be to use the narrow superlite, which is discontinued in the appropriate bore sizes (and takes thinner pads), using a different caliper altogether, or to use a thinner rotor which would allow moving everything inboard. 0.81" rotors are actually thinner than OE, and 1" rotors are not very common (but are available). I would expect a 1" rotor + Dynalite caliper setup would work.
    1 point
  16. I actually found a '64 Tempest in MN. And yes, immediately thought of the Grey Ghost.
    1 point
  17. Speaking of Mazda contingency, @Bill Strong can someone from Champcar please consider discussing what it would take for the Mazda Motorsports contingency to get changed to something similar to their contingency with AER. They have a smaller payout but it is per race. I can only speak for myself but I am almost certain that quite a number of Mazda teams that run with Champcar don't necessarily run the championship race, for many different reasons.
    1 point
  18. I know a something! Indy will be back. We wont be going back every year. It's an every few years event. We have an open invitation back. they seem to like you guys!
    1 point
  19. I still hoping this race happens. Unfortunately for us we won’t be able to attend. Life getting in the way. Hope to be back to racing soon.
    0 points
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