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oldcorollas Forums Junkie Location: Kita-Ku, Sapporo, Japan Registered: January 2003	Re: PARALLEL Twincharging, lets make it work Mon, 22 August 2005 12:38 Lukass wrote on Mon, 22 August 2005 21:59 Maybe the blow off valve reference is confusing. I'm thinking along the lines of a bleed valve, this does all your boost controlling. Approaching the end of your superchargers efficiency (around 12-14 maybe) you need the turbo to be producing that as well to make the transition smooth. This excess is bled off until the SC shuts off. To make your truly linear boost curve this bleed valve needs to be smart enough to work off RPM. The turbo can produce as much boost as it wants, you just bleed off what you don't need. sorry, but i consider any bled off air to be wasted energy.. you had to use energy to make it, so you may as well keep it you could do it that way tho... but you have to have a bleed valve that can bleed off the entire contents that the SC processes... lets see... at 1 bar boost, (on 1.6L) thats 1.6L per engine rev... sayy 5000rpm.. 8000L of air per minute. thats a fair bit of air..... i think by recirculating the air, with the SC shutdown system regulated by manifold pressure, you get to kep the air, and the transition is smooth.. it's kinda self-regulating.. if it shuts the SC down too much, pressur edrops, and the SC throttle opens up again.. etc.. regarding last point, it's not so much as what the turbo wants, as that we want to use every last bit of air.... no point doing all this if you are not going to run it to the ragged edges of staying together the only time i forsee that you would want to bleed off any air is during gearchanges... even during cruise, if you can recirculate air the turbo is pushing, back thru the SC, (maybe in this case T1 and T3 could be seperated slightly??) combined with wastgate, you will never need to bleed any air except on quickly closed throttle [Report message to a moderator]

	Subject	Poster	Date
	PARALLEL Twincharging, whatever....	oldcorollas	Sat, 20 August 2005 14:40
	Re: Twincharging, lets make it work	b1gb3n	Sat, 20 August 2005 14:55
	Re: Twincharging, lets make it work	oldcorollas	Sat, 20 August 2005 15:04
	Re: Twincharging, lets make it work	Stefan	Sat, 20 August 2005 15:33
	Re: Twincharging, lets make it work	Alchemist	Sat, 20 August 2005 15:39
	Re: Twincharging, lets make it work	oldcorollas	Sat, 20 August 2005 16:18
	Re: Twincharging, lets make it work	Stefan	Sun, 21 August 2005 09:13
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 09:26
	Re: Twincharging, lets make it work	AW11 no Jitsu	Sat, 20 August 2005 17:01
	Re: Twincharging, lets make it work	oldcorollas	Sat, 20 August 2005 17:03
	Re: Twincharging, lets make it work	AW11 no Jitsu	Sat, 20 August 2005 18:07
	Re: Twincharging, lets make it work	oldcorollas	Sat, 20 August 2005 18:14
	Re: Twincharging, lets make it work	feral4mr2	Sun, 21 August 2005 09:59
	Re: Twincharging, lets make it work	styler	Sun, 21 August 2005 02:14
	Re: Twincharging, lets make it work	brett_celicacoupe	Sun, 21 August 2005 03:43
	Re: Twincharging, lets make it work	kingmick	Sun, 21 August 2005 04:01
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 05:12
	Re: Twincharging, lets make it work	wilbo666	Sun, 21 August 2005 13:05
	Re: Twincharging, lets make it work	feral4mr2	Sun, 21 August 2005 10:07
	Re: Twincharging, lets make it work	brett_celicacoupe	Sun, 21 August 2005 04:54
	Re: Twincharging, lets make it work	M.W.P.	Sun, 21 August 2005 05:10
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 05:16
	Re: Twincharging, lets make it work	kingmick	Sun, 21 August 2005 05:19
	Re: Twincharging, lets make it work	kingmick	Sun, 21 August 2005 05:22
	Re: Twincharging, lets make it work	Corona RT142	Sun, 21 August 2005 05:26
	Re: Twincharging, lets make it work	kingmick	Sun, 21 August 2005 05:32
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 05:37
	Re: Twincharging, lets make it work	Corona RT142	Sun, 21 August 2005 05:35
	Re: Twincharging, lets make it work	Corona RT142	Sun, 21 August 2005 05:37
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 05:55
	Re: Twincharging, lets make it work	tricky	Sun, 21 August 2005 06:18
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 07:00
	Re: Twincharging, lets make it work	tricky	Sun, 21 August 2005 07:42
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 08:17
	Re: Twincharging, lets make it work	boofis	Sun, 21 August 2005 06:39
	Re: Twincharging, lets make it work	Toobs	Sun, 21 August 2005 07:02
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 07:31
	Re: Twincharging, lets make it work	kingmick	Sun, 21 August 2005 08:39
	Re: Twincharging, lets make it work	kingmick	Sun, 21 August 2005 09:37
	Re: Twincharging, lets make it work	choofa	Thu, 25 August 2005 09:55
	Re: Twincharging, lets make it work	toof	Sun, 21 August 2005 10:15
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 10:36
	Re: Twincharging, lets make it work	improvedae86	Sun, 21 August 2005 10:49
	Re: Twincharging, lets make it work	feral4mr2	Sun, 21 August 2005 10:50
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 11:00
	Re: Twincharging, lets make it work	improvedae86	Sun, 21 August 2005 10:51
	Re: Twincharging, lets make it work	toof	Sun, 21 August 2005 11:34
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 11:37
	Re: Twincharging, lets make it work	Henn	Sun, 21 August 2005 10:30
	Re: Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 10:51
	Re: PARALLEL Twincharging, lets make it work	styler	Sun, 21 August 2005 12:44
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Sun, 21 August 2005 12:48
	Re: PARALLEL Twincharging, lets make it work	Henn	Sun, 21 August 2005 23:29
	Re: PARALLEL Twincharging, lets make it work	berad	Mon, 22 August 2005 06:14
	Re: PARALLEL Twincharging, lets make it work	Merudo	Mon, 22 August 2005 06:30
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Mon, 22 August 2005 06:46
	Re: PARALLEL Twincharging, lets make it work	Henn	Mon, 22 August 2005 06:31
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Mon, 22 August 2005 06:35
	Re: PARALLEL Twincharging, lets make it work	Henn	Mon, 22 August 2005 06:51
	Re: PARALLEL Twincharging, lets make it work	Merudo	Tue, 23 August 2005 01:28
	Re: PARALLEL Twincharging, lets make it work	Lukass	Mon, 22 August 2005 08:05
	Re: PARALLEL Twincharging, lets make it work	tricky	Mon, 22 August 2005 08:27
	Re: PARALLEL Twincharging, lets make it work	gr8r-x	Mon, 22 August 2005 08:32
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Mon, 22 August 2005 08:57
	Re: PARALLEL Twincharging, lets make it work	Mr DOHC	Mon, 22 August 2005 09:51
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Mon, 22 August 2005 12:24
	Re: PARALLEL Twincharging, lets make it work	tricky	Tue, 23 August 2005 04:17
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Mon, 22 August 2005 12:54
	Re: PARALLEL Twincharging, lets make it work	tricky	Mon, 22 August 2005 09:55
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Mon, 22 August 2005 12:46
	Re: PARALLEL Twincharging, lets make it work	Henn	Tue, 23 August 2005 01:01
	Re: PARALLEL Twincharging, lets make it work	Lukass	Mon, 22 August 2005 11:59
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Mon, 22 August 2005 12:38
	Re: PARALLEL Twincharging, lets make it work	Henn	Tue, 23 August 2005 01:04
	Re: PARALLEL Twincharging, lets make it work	RobertoX	Tue, 23 August 2005 02:00
	Re: PARALLEL Twincharging, lets make it work	M.W.P.	Tue, 23 August 2005 02:35
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 08:05
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 08:31
	Re: PARALLEL Twincharging, lets make it work	M.W.P.	Tue, 23 August 2005 08:33
	Re: PARALLEL Twincharging, lets make it work	tricky	Tue, 23 August 2005 08:33
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 09:00
	Re: PARALLEL Twincharging, lets make it work	M.W.P.	Tue, 23 August 2005 09:30
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 10:07
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 11:07
	Re: PARALLEL Twincharging, lets make it work	RobertoX	Tue, 23 August 2005 11:45
	Re: PARALLEL Twincharging, lets make it work	M.W.P.	Tue, 23 August 2005 12:36
	Re: PARALLEL Twincharging, lets make it work	Norbie	Tue, 23 August 2005 02:55
	Re: PARALLEL Twincharging, lets make it work	VeeP	Tue, 23 August 2005 03:57
	Re: PARALLEL Twincharging, lets make it work	Corona RT142	Tue, 23 August 2005 04:01
	Re: PARALLEL Twincharging, lets make it work	Henn	Tue, 23 August 2005 04:04
	Re: PARALLEL Twincharging, lets make it work	berad	Tue, 23 August 2005 05:37
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 07:56
	Re: PARALLEL Twincharging, lets make it work	nudes	Tue, 23 August 2005 12:38
	Re: PARALLEL Twincharging, lets make it work	M.W.P.	Tue, 23 August 2005 12:40
	Re: PARALLEL Twincharging, lets make it work	RobertoX	Tue, 23 August 2005 12:49
	Re: PARALLEL Twincharging, lets make it work	NickZ	Tue, 23 August 2005 13:02
	Re: PARALLEL Twincharging, lets make it work	Fr3aK	Tue, 23 August 2005 13:14
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 14:03
	Re: PARALLEL Twincharging, lets make it work	M.W.P.	Tue, 23 August 2005 15:03
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 15:51
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 14:17
	Re: PARALLEL Twincharging, lets make it work	VeeP	Tue, 23 August 2005 16:43
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Tue, 23 August 2005 18:20
	Re: PARALLEL Twincharging, lets make it work	Henn	Wed, 24 August 2005 00:14
	Re: PARALLEL Twincharging, lets make it work	NickZ	Wed, 24 August 2005 03:42
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Wed, 24 August 2005 03:51
	Re: PARALLEL Twincharging, lets make it work	Fr3aK	Wed, 24 August 2005 05:06
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Wed, 24 August 2005 05:56
	Re: PARALLEL Twincharging, lets make it work	oldcorollas	Wed, 24 August 2005 05:59
	Re: PARALLEL Twincharging, whatever....	Fr3aK	Wed, 24 August 2005 06:49
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Wed, 24 August 2005 07:05
	Re: PARALLEL Twincharging, whatever....	Fr3aK	Wed, 24 August 2005 07:33
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Wed, 24 August 2005 07:55
	Re: PARALLEL Twincharging, whatever....	berad	Wed, 24 August 2005 08:13
	Re: PARALLEL Twincharging, whatever....	Enchanter	Wed, 24 August 2005 10:27
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Wed, 24 August 2005 11:10
	Re: PARALLEL Twincharging, whatever....	Enchanter	Wed, 24 August 2005 11:33
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Wed, 24 August 2005 12:32
	Re: PARALLEL Twincharging, whatever....	Henn	Wed, 24 August 2005 12:50
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Wed, 24 August 2005 13:38
	Re: PARALLEL Twincharging, whatever....	doityourself	Wed, 24 August 2005 13:57
	Re: PARALLEL Twincharging, whatever....	Ben Wilson	Wed, 24 August 2005 22:16
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Thu, 25 August 2005 06:08
	Re: PARALLEL Twincharging, whatever....	doityourself	Thu, 25 August 2005 09:07
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Thu, 25 August 2005 10:27
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Thu, 25 August 2005 10:29
	Re: PARALLEL Twincharging, whatever....	choofa	Thu, 25 August 2005 10:46
	Re: PARALLEL Twincharging, whatever....	Mr DOHC	Thu, 25 August 2005 11:06
	Re: PARALLEL Twincharging, whatever....	oldcorollas	Thu, 25 August 2005 11:27
	Re: PARALLEL Twincharging, whatever....	tricky	Thu, 25 August 2005 09:09

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