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Johnny Forums Junkie Location: Sydney, OZ Registered: May 2002	Re: how much better is the 20v blacktp than the 20v silvertop? Wed, 30 July 2003 04:07 Quote: Riighht.. You seem to think that power and torque are totally different things. here we go again assuming...... Did I say this??? NO I DIDN'T Now before we start assuming again..... Quote: Torque (Nm) = (Power X 9551) / Speed HP = (130 Nm x XXXX rpm) / 9551 = 157 kw so; RPM = (157 kw x 9551) / 130Nm = 11534 rpm Stock huh? thanks for the maths lesson, NOW GIVE IT TO ME IN PURE MATHS FORM! This is a rough estimation, not a direct co-relation, Yes, the relationship, between is rev* torque = power Now what is torque? Force*distance, distance is constant, so increase the comp, which increases the force, and then this force is dependent on a multitude of variables! ie flame propagation, hot/cold spots, combustion chamber, shape, rough and smoothness, airflow... list goes on there! how bout Revs? how do you get to that? Moment of Inertia, Centripetal to linear conversions, and all this then has to be converted to the stresses and strain with in the moving inertial time frame, and then look at this in 3D, and add that in. mate the conversion ain't as simple as that crap! good indication, but not 100% CORRECT! The actually calcution works out to be close to 10 pages full of derivatives, transforms and other stuff average people would fall apart after five minutes . Also, while we're at it lets talk gear Maths on top of that, through the Gearbox (I haven't personally worked that out yet).... It's nice to talk power AT THE WHEELS, but Very rarely do I hear of Torque! Quote: So hands up who wants to do the sums on this 120Kw @ the wheels 20V, and see what its efficiency is? see above... I did this as an exercise while studying, and that was for a 2 valved, theoretical engine. Quote: so he has 110 kws and is doing 1.54 at the island in a starlet .ok my mates ke25 with stock blacktop (87 kws )is doing 1.54 at the island also and its rwd so he is 23 kws less ,hey im not bitching here either just my 2 cents I'll have to take that back, that was his 88Kw version, anyhow, I think we discussed this in an earlier forum, and dave himself actually got involved in that one! and made many think otherwise. Anyway guy's believe it or not, I don't really care anymore!! [Report message to a moderator]

	Subject	Poster	Date
	how much better is the 20v blacktp than the 20v silvertop?	AE92poit	Sat, 25 January 2003 14:18
	Re: how much better is the 20v blacktp than the 20v silvertop?	pepsicola	Sat, 25 January 2003 14:30
	Re: how much better is the 20v blacktp than the 20v silvertop?	pepsicola	Sat, 25 January 2003 14:30
	Re: how much better is the 20v blacktp than the 20v silvertop?	pepsicola	Sat, 25 January 2003 14:31
	Re: how much better is the 20v blacktp than the 20v silvertop?	juzzo84	Sun, 26 January 2003 00:37
	Re: how much better is the 20v blacktp than the 20v silvertop?	bass_boy	Fri, 25 July 2003 02:29
	Re: how much better is the 20v blacktp than the 20v silvertop?	7M-Brisbane	Fri, 25 July 2003 04:49
	Re: how much better is the 20v blacktp than the 20v silvertop?	gianttomato	Fri, 25 July 2003 04:56
	Re: how much better is the 20v blacktp than the 20v silvertop?	juzzo84	Tue, 29 July 2003 07:52
	Re: how much better is the 20v blacktp than the 20v silvertop?	nos4ag	Tue, 29 July 2003 09:59
	Re: how much better is the 20v blacktp than the 20v silvertop?	Johnny	Tue, 29 July 2003 15:38
	Re: how much better is the 20v blacktp than the 20v silvertop?	wastegate	Tue, 29 July 2003 22:27
	Re: how much better is the 20v blacktp than the 20v silvertop?	CelicaRA45	Tue, 29 July 2003 23:26
	Re: how much better is the 20v blacktp than the 20v silvertop?	-Mark-	Fri, 25 July 2003 06:39
	Re: how much better is the 20v blacktp than the 20v silvertop?	EvilJack	Fri, 25 July 2003 08:21
	Re: how much better is the 20v blacktp than the 20v silvertop?	-Mark-	Fri, 25 July 2003 13:28
	Re: how much better is the 20v blacktp than the 20v silvertop?	7M-Brisbane	Fri, 25 July 2003 10:02
	Re: how much better is the 20v blacktp than the 20v silvertop?	7M-Brisbane	Fri, 25 July 2003 13:46
	Re: how much better is the 20v blacktp than the 20v silvertop?	-Mark-	Fri, 25 July 2003 13:51
	Re: how much better is the 20v blacktp than the 20v silvertop?	roadrunner	Fri, 25 July 2003 14:35
	Re: how much better is the 20v blacktp than the 20v silvertop?	-Mark-	Fri, 25 July 2003 14:39
	Re: how much better is the 20v blacktp than the 20v silvertop?	bass_boy	Sat, 26 July 2003 02:51
	Re: how much better is the 20v blacktp than the 20v silvertop?	-Mark-	Sat, 26 July 2003 04:41
	Re: how much better is the 20v blacktp than the 20v silvertop?	bass_boy	Sat, 26 July 2003 06:11
	Re: how much better is the 20v blacktp than the 20v silvertop?	-blown20v-	Sat, 26 July 2003 09:42
	Re: how much better is the 20v blacktp than the 20v silvertop?	7M-Brisbane	Sat, 26 July 2003 10:38
	Re: how much better is the 20v blacktp than the 20v silvertop?	-blown20v-	Sat, 26 July 2003 10:49
	Re: how much better is the 20v blacktp than the 20v silvertop?	7M-Brisbane	Sun, 27 July 2003 09:07
	Re: how much better is the 20v blacktp than the 20v silvertop?	Johnny	Sun, 27 July 2003 11:25
	Re: how much better is the 20v blacktp than the 20v silvertop?	wastegate	Mon, 28 July 2003 10:19
	Re: how much better is the 20v blacktp than the 20v silvertop?	CelicaRA45	Mon, 28 July 2003 10:29
	Re: how much better is the 20v blacktp than the 20v silvertop?	EMP-2TG	Sun, 27 July 2003 14:48
	Re: how much better is the 20v blacktp than the 20v silvertop?	Johnny	Sun, 27 July 2003 23:49
	Re: how much better is the 20v blacktp than the 20v silvertop?	ae86drift	Sun, 27 July 2003 15:24
	Re: how much better is the 20v blacktp than the 20v silvertop?	seeks	Mon, 28 July 2003 02:55
	Re: how much better is the 20v blacktp than the 20v silvertop?	Nark	Mon, 28 July 2003 04:53
	Re: how much better is the 20v blacktp than the 20v silvertop?	Mr_Grumpy	Mon, 28 July 2003 06:19
	Re: how much better is the 20v blacktp than the 20v silvertop?	7M-Brisbane	Mon, 28 July 2003 10:11
	Re: how much better is the 20v blacktp than the 20v silvertop?	gianttomato	Mon, 28 July 2003 10:34
	Re: how much better is the 20v blacktp than the 20v silvertop?	wastegate	Mon, 28 July 2003 10:56
	Re: how much better is the 20v blacktp than the 20v silvertop?	Seadog	Mon, 28 July 2003 12:31
	Re: how much better is the 20v blacktp than the 20v silvertop?	Seadog	Mon, 28 July 2003 12:34
	Re: how much better is the 20v blacktp than the 20v silvertop?	EMP-2TG	Mon, 28 July 2003 12:59
	Re: how much better is the 20v blacktp than the 20v silvertop?	CelicaRA45	Tue, 29 July 2003 07:22
	Re: how much better is the 20v blacktp than the 20v silvertop?	Seadog	Tue, 29 July 2003 23:25
	Re: how much better is the 20v blacktp than the 20v silvertop?	wastegate	Tue, 29 July 2003 23:41
	Re: how much better is the 20v blacktp than the 20v silvertop?	Johnny	Wed, 30 July 2003 04:07
	Re: how much better is the 20v blacktp than the 20v silvertop?	wastegate	Wed, 30 July 2003 05:34
	Re: how much better is the 20v blacktp than the 20v silvertop?	Johnny	Thu, 31 July 2003 03:04
	Re: how much better is the 20v blacktp than the 20v silvertop?	EMP-2TG	Wed, 30 July 2003 07:31
	Re: how much better is the 20v blacktp than the 20v silvertop?	-Mark-	Wed, 30 July 2003 13:33

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