land-speed
[Top] [All Lists]

Re: cooling

To: "Mike Jenkins" <MikeJ@speedrecordclub.softnet.co.uk>
Subject: Re: cooling
From: "Dan Warner" <dwarner@electrorent.com>
Date: Wed, 11 Oct 2000 04:53:33 -0700
The 2000 rulebook, page 40, sec IV-28 indicates that turbo-compounding is
legal and will be classified as Blown for class purposes. This rule is one
of the legacies from the late Bruce Johnston.

Dan (what Keith?) Warner

----- Original Message -----
From: Mike Jenkins <MikeJ@speedrecordclub.softnet.co.uk>
To: LSR List <land-speed@autox.team.net>
Sent: Tuesday, October 10, 2000 12:50 PM
Subject: Re: cooling


> Hmm, a turbo-compound LSR vehicle! Don't think I've ever heard of one
being
> mooted before. Would it run as blown or as a turbine, or both? The only
> proposed motor sport application that I've ever heard of was back in the
mid
> '80s when AustinRover were considering developing one for their Metro 6R4
> Rally car for its Group 'S' life but the class was banned before it began.
>
> There was a development programme in the '50s on a marine turbo-compound
> engine over here in Britain based on the Napier Deltic engine. Not only
did
> it almost double the power output of the engine but it also had a system
of
> 'afterburning' for short-periods where very high power was required. This
> worked by squirting more fuel and air into the exhaust system upstream of
> the turbine, and gave an almost unbelievable increase in power - from
memory
> it was another 60 or 70 percent! Now that would be difficult to legislate
> for in the rules!!
>
> Mike Jenkins
>
> ----- Original Message -----
> From: Richard Fox <v4gr@rcn.com>
> To: Joe Amo <jkamo@rapidnet.com>
> Cc: <land-speed@autox.team.net>
> Sent: Tuesday, October 10, 2000 3:52 PM
> Subject: Re: cooling
>
>
> > Joe; well that's a concern, although I have worked on lots of twin
> ignition
> > engines of large size with plugs on opposite sides of cylinders. Even
> flown
> > long distances over water using such a system. I also liked the
> > Turbo-compound feature of the 3350 Wright Cyclone. Dan is that legal?.
> Rich
> > Fox
> > -----Original Message-----
> > From: Joe Amo <jkamo@rapidnet.com>
> > To: Richard Fox <v4gr@rcn.com>
> > Cc: land-speed@autox.team.net <land-speed@autox.team.net>
> > Date: Monday, October 09, 2000 08:57 PM
> > Subject: Re: cooling
> >
> >
> > >Are you     trying to create detonation      ?      Just curious,
sounds
> > >dangerous to me
> > >Joe ( I can show you how to bend rods) Amo :)
> > >
> > >Richard Fox wrote:
> > >
> > >> I have been trying to send this for awhile, maybe it will work this
> time.
> > >> I'm making chips doing a billet aluminum head for my 32 Plymouth.
> > Converting
> > >> back to "L" head. I plan no water jacket mostly because its easier
that
> > way.
> > >> My thought is there is no exhaust passage in the head and it will
have
> 16
> > >> fins 1/8 thick by 3/4 tall with 3/8 gaps between them. Any input on
> this
> > >> plan, informed or otherwise, is encouraged. Also I will be using two
10
> > mm
> > >> sparkplugs one in the normal place next to the exhaust valve and one
> over
> > >> the bore. Thought it would be interesting to vary the timing between
> them
> > to
> > >> see what happens. I am sure all of this was done 50 years ago but it
> > keeps
> > >> me busy.  Rich Fox
> > >> -----Original MessageCc: land-speed@autox.team.net
> > >> <land-speed@autox.team.net>
> > >> Date: Monday, October 09, 2000 05:18 AM
> > >> Subject: Re: cooling
> > >>
> > >> >I don't often weigh in on the tech stuff, but we had Ed Pink give us
> > some
> > >> >input to this cooling deal. Ed states that  you can't have too much
> > water,
> > >> >all nooks and cranies must be filled to avoid any chance of hot
spots
> > which
> > >> >can lead to detonation. We currently use two 12 volt pumps at the
> water
> > >> >tank. The ouput of these pumps feed into a sprint car centrifugal
pump
> > >> >driven off the crank. There is a thermostat in the line also to aid
in
> > >> >keeping the temp constant.
> > >> >
> > >> >Dan (real cool) Warner
> > >> >
> > >> >----- Original Message -----
> > >> >From: John Beckett <landspeedracer@email.msn.com>
> > >> >To: Keith Turk <kturk@ala.net>; Land Speed List
> > <land-speed@autox.team.net>
> > >> >Sent: Friday, October 06, 2000 3:13 PM
> > >> >Subject: Re: cooling
> > >> >
> > >> >
> > >> >> Now here is an interesting bit of info: A good standard water pump
> > flows
> > >> >> about 100 gpm, a NASCAR pump flows 180 gpm. The best electric pump
I
> > have
> > >> >> found flows only about 30 gpm.
> > >> >> So now if your flow starts off at thirty gpm it ain't gonna be
> > anywhere
> > >> >near
> > >> >> close to the 35 gpm needed at the exit point.
> > >> >>
> > >> >> John Beckett, LSR #79,
> > >> >> ----- Original Message -----
> > >> >> From: "Keith Turk" <kturk@ala.net>
> > >> >> To: "John Beckett" <landspeedracer@email.msn.com>; "Land Speed
List"
> > >> >> <land-speed@autox.team.net>
> > >> >> Sent: Friday, October 06, 2000 9:12 AM
> > >> >> Subject: Re: cooling
> > >> >>
> > >> >>
> > >> >> > On your Recommendation I spent an hour on the phone yesterday
with
> > Carl
> > >> >> > Adams... of Adams Pumps..
> > >> >> >
> > >> >> > Carl is a LSR fan... and a Nascar Cooling specialist... it was a
> > >> >> fascinating
> > >> >> > conversation and I look forward to hanging out with him on the
> > 28th....
> > >> >> >
> > >> >> > He was saying what we needed was a Minimum of 35 gallons of Flow
> per
> > >> >> Minute
> > >> >> > and that the Water Must in fact Flow through all the Block.. not
> > just
> > >> >the
> > >> >> > Front... Back cylinders are often stagnant....  He was a BIG FAN
> of
> > >> >> > Thermostats.... saying they need to be VERY HIGH.... like 190 or
> > so....
> > >> >he
> > >> >> > wanted the Water Temp to be in the 210 range to Make Power...
> saying
> > >> >there
> > >> >> > was 80hp difference in one of his applications between 160 and
210
> > >> >> > degrees...
> > >> >> >
> > >> >> > His other Big Comment was that the Pump needed to be Measured
not
> at
> > >> the
> > >> >> > Pump but through the Block.... at the outlet.... anything else
is
> > just
> > >> >> > guessing at what the actual flow through the restrictions really
> > is...
> > >> >> >
> > >> >> > I can't remember all the conversation but like you John... I was
> > very
> > >> >> > impressed with the guys knowledge of Cooling.
> > >> >> >
> > >> >> > Keith
> > >> >> > ----- Original Message -----
> > >> >> > From: "John Beckett" <landspeedracer@email.msn.com>
> > >> >> > To: "Land Speed List" <land-speed@autox.team.net>
> > >> >> > Sent: Friday, October 06, 2000 8:14 AM
> > >> >> > Subject: cooling
> > >> >> >
> > >> >> >
> > >> >> > > OK, thought I would give Keith a break and start a new thread.
> > >> >> > >
> > >> >> > > My big question is how important is the cooling system to HP?
> and
> > >> >> > longevity?
> > >> >> > >
> > >> >> > > Have had several problems with melted pistons over the years.
> And
> > I
> > >> >> > thought
> > >> >> > > they were due to none cooling related problems (probably
were).
> > But
> > >> >now
> > >> >> I
> > >> >> > > wonder if the cooling system was of a better design whether
the
> > >> >pistons
> > >> >> > > would have ultimately melted (or at least melted as quickly).
> > >> >> > >
> > >> >> > > So (on a SB Chevy) how much water flow (gpm) is required for
> > proper
> > >> >> > cooling?
> > >> >> > > Can you have to much flow?
> > >> >> > >
> > >> >> > > What's the preferred pump: belt driven or electric? How much
HP
> > does
> > >> a
> > >> >> > belt
> > >> >> > > driven pump use vs. an alternator to drive all the electrical
> > >> >> accessories.
> > >> >> > >
> > >> >> > > Should you run a thermostat? and at what temp? or just a
> > restrictor?
> > >> >> > >
> > >> >> > > Is it better to design a LSR cooling system based on Drag
Racing
> > or
> > >> >> > NASCAR?
> > >> >> > >
> > >> >> > > What's up with reverse flow systems? don't see many in grass
> roots
> > >> >> racing.
> > >> >> > >
> > >> >> > > John Beckett
> > >> >> > >
> > >> >> > >
> > >> >> > >
> > >> >> > >
> > >> >> > >
> > >> >> > >
> > >> >> > >
> > >> >> >
> > >> >>
> > >> >>
> > >> >>
> > >> >
> > >> >
> > >
> > >
> > >
> >
> >
>


<Prev in Thread] Current Thread [Next in Thread>