Kurt's Midlana videos

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Midlana1
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Re: Kurt's Midlana videos

Postby Midlana1 » 18 Mar 2016, 13:25

Streets of Willow Springs, 2/20/2016:

Onboard: https://www.youtube.com/watch?v=TXHi16OzJ18
From outside: https://youtu.be/7kQnf3yLJSg

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Re: Kurt's Midlana videos

Postby Midlana1 » 01 Dec 2017, 06:43

Dyno checkup at Church Automotive - https://www.youtube.com/watch?v=wLQVmW9NZZ4&t=5s

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Re: Kurt's Midlana videos

Postby ChrisS » 01 Dec 2017, 10:55

A dyno session like that always brings home just how much energy is involved at WOT doesn’t it.

Just for balance, you can get roller dynos that are capable of holding a set speed at varying loads, the place I’ve taken all my cars for mapping has had one a long time.

I bet you are delighted with those results though Kurt. Finding that the timing was wrong as well as it not being set to use variable cam timing tends to support the thought that the original tuner had no fecking idea. I suspect you can probably lay the blame for the blowup in his court as well, not that you’d ever be able to prove anything of course. Sadly, there are loads of folk who buy a dyno and a laptop then think they can tune an engine. Even more sadly, they then manage to convince paying customers of the same and manage to build an unwarranted reputation.

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Re: Kurt's Midlana videos

Postby rennkafer » 04 Dec 2017, 07:40

ChrisS wrote:Just for balance, you can get roller dynos that are capable of holding a set speed at varying loads, the place I’ve taken all my cars for mapping has had one a long time.


Rolling road dynos with the ability to hold a set speed are a lot more rare here than they are there (though it's beginning to change). Most places in the US are set up to do WOT dyno runs and not tuning on the dyno. Mostly stems from the dyno being used to tune WOT only for drag racers. They don't (mostly) spend much time on tuning driveablilty, plus a dyno with the ability to do that is significantly more expensive. Serious road racers here tend to use engine dynos.
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Re: Kurt's Midlana videos

Postby Midlana1 » 27 Mar 2018, 07:33

Test video of fabricated rear engine mount: https://youtu.be/8vMAhB0fQhg

The Sony HDR-AS300's information overlay is somewhat useful, with the "route" trace handy for showing where the car is on-track. GPS speed, however, seems more like a "look what we did because we could" sort of feature instead of being truly useful. Its update rate is so slow that it's really only good for sustained speeds. It's interesting how, using the identical GPS signals, the flat dash has no problem reporting a much more accurate vehicle speed.

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Re: Kurt's Midlana videos

Postby rennkafer » 28 Mar 2018, 07:09

What's the difference in refresh rates between the dash and the camera?
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Re: Kurt's Midlana videos

Postby Midlana1 » 28 Mar 2018, 09:10

Agree. The dash is (I think) 5hz while the Sony is 1Hz maybe. Even then it appears heavily filtered, making it not very useful for varying speeds. Hikes, bicycle, boats, maybe; cars, not so much.

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Re: Kurt's Midlana videos

Postby rennkafer » 28 Mar 2018, 11:13

Midlana1 wrote:Agree. The dash is (I think) 5hz while the Sony is 1Hz maybe. Even then it appears heavily filtered, making it not very useful for varying speeds. Hikes, bicycle, boats, maybe; cars, not so much.


Ya, even 5hz is pretty slow these days, 1hz as you've seen is pretty much good for stills or walking speeds.
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