Subject	I'm surprised you tech-heads haven't mentioned dyno
Posted by	vorpalZ on August 10, 2004 at 3:59 PM
	This message has been viewed 31 times.
In Reply To	dyno pull-3rd or 4th gear posted by eriksu9 on August 10, 2004 at 10:35 AM
Message	differences. These guys researched a bunch of different dynos and found a pretty good range of errors between them. Granted, this is for motorcycles, but the differences found between different dynos and operators is a lot greater than the manufacturer's claimed margin of error. Regards, vorpalZ                1990 TT zlunatic: "Thanks to all those who gave their honest opinions. You have decided, the wing must go so be it. Anyone know where I can get the 99JSpec wing?" DutchZX: "we don't like your haircut either, get the J-Spec one now."
Follow Ups	dyno pull-3rd or 4th gear - eriksu9 10:35:38 08/10/04 Proper gear is 4th - ImTheDevil 10:37:43 08/10/04 What are you asking? - Technomancer 10:43:43 08/10/04 4th gear is 1:1 - eroc77 10:49:16 08/10/04 I don't see why - Technomancer 10:55:08 08/10/04 It's not that 4th is more efficient - Rob'Z 11:07:32 08/10/04 Im claiming that it will give the most accurate.... - eroc77 11:11:06 08/10/04 1:1 has the least amt of friction being transferred through - Chris(NJ) 11:11:45 08/10/04 Sorry, I'm not trying to be dense here but I still don't see - Technomancer 11:28:29 08/10/04 Relax and stop overthinking it. - SeedyROM 12:57:17 08/10/04 This is the theory - Chip(GMS Racing) 13:07:15 08/10/04 "directly connected" just isn't true - Technomancer 13:19:10 08/10/04 I was regurgitating what I read somewhere - Chip(GMS Racing) 13:23:24 08/10/04 I don't think the dyno needs to know the gearing info. - Marshall 13:22:31 08/10/04 yes, I'm claiming that the number is needed as an input to t - Technomancer 13:30:53 08/10/04 4th gear is 1:1 so it will give "correct" numbers - Rob'Z 10:48:45 08/10/04 Did you forget the existence of the rear differential? - Technomancer 10:54:24 08/10/04 ? (n/m) - Chris(NJ) 11:04:44 08/10/04 Huh? So you're saying I should divide the RWHP numbers - Rob'Z 11:11:22 08/10/04 Yes, I'm saying that is what the dyno does - Technomancer 11:25:40 08/10/04 i believe 5th is only closer in a 6spd. (n/m) - Chris(NJ) 11:32:07 08/10/04 correct-5th is usually 1:1 in a 6sd - Rob'Z 11:44:33 08/10/04 Ugh you guys! Multiply by the rear diff - Technomancer 11:51:27 08/10/04 Free your mind - Rob'Z 16:10:40 08/10/04 You get no torque multiplication from the tire. (n/m) - Technomancer 16:30:44 08/10/04 Yeah I was being a little sarcastic there - Rob'Z 11:41:21 08/10/04 a lot of shops do not know how to dyno autos. kinda sad - Chris(NJ) 11:04:08 08/10/04 didn't the dyno shop you took us to ask us if our cars - ZEngineer (TT) 13:02:02 08/10/04 Use the dyno as a tuning tool, not a contest - vorpalZ 12:07:14 08/10/04 I have gotten better numbers in 4th than 3rd on the - AzHeat 12:17:37 08/10/04 Oh geez you are so wrong! - Technomancer 12:26:17 08/10/04 He is correct about turbos spooling quicker in higher gears - Chip(GMS Racing) 12:32:25 08/10/04 Yes I have nothing to say about the spooling - Technomancer 12:51:54 08/10/04 A real world example - Chip(GMS Racing) 13:21:02 08/10/04 An interesting tidbit: - Marshall 13:31:56 08/10/04 I agree, I FIRMLY believe that my car would have been faster - Chip(GMS Racing) 13:55:02 08/10/04 That's where torque mulitplications comes in a - AzHeat 12:35:30 08/10/04 you are confusing engine RPM and drum RPM - Technomancer 12:47:25 08/10/04 Show me where in the HP equations and the - AzHeat 13:18:04 08/10/04 OK, let me soften my stance: - Technomancer 14:02:03 08/10/04 Please give the mathematics equation for this - AzHeat 14:33:21 08/10/04 for what part? (n/m) - Technomancer 14:41:52 08/10/04 The gear ratio is already accounted for in the - AzHeat 15:25:42 08/10/04 yep - Technomancer 16:24:14 08/10/04 Re: dyno pull-3rd or 4th gear - eriksu9 13:42:12 08/10/04 good luck. This has been very interesting! (n/m) - Technomancer 14:03:02 08/10/04 Dyno at 1:1(or gearing closest to 1:1) to compare >> - I am Z-ing Double 15:23:59 08/10/04 I'm surprised you tech-heads haven't mentioned dyno - vorpalZ 15:59:47 08/10/04
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