If the rod was attached to a aneroid drum like in a
barometer then it could move the tapered needle in or
out as dictated by pressure altitude. But how would it
handle humitity changes? On my Speed Pro EFI we have to
enter the humitity--it compensates for the rest.
Quoting Dave Dahlgren <ddahlgren@snet.net>:
> I will call them on monday i have got to know how
this works ..
> Dave
>
> Joe Amo wrote:
> >
> > Dave they
> > COMPENSATE for air density changes.
> > The reason so many use these carbs is that
> > they not only make the most power, but they
> > allow you to travel to anywhere in the world and
require
> > NO changes/adjustments, racers travel unload and do
not
> > have any adjustments to make, yes sea level or
Denver,
> > same set up, 32 degrees or 120, same set up,
thousands of
> > users every weekend can attest to them.
> > Joe :)
> >
> > Dave Dahlgren wrote:
> >
> > > Wouldn't that be a CFM change and not a density
change. most carbs will
> > > compensate for a CFM change quite well. I can put
the same 750 Holley
> or carter
> > > on a wide variety of engines and it will work
quite well but neither
> will handle
> > > a 4000 ft change in altitude very well.
> > > Dave Dahlgren
> > >
> > > Joe Amo wrote:
> > > >
> > > > Dave, the "Lectron" is the "Fast By Gast" carb
of Pauls.
> > > > Sort of Pauls, it came on two strokes a few
years ago,
> > > > he simply picked up on it again, Vesco ran them
on many
> > > > of his machines. They are truly the poor mans
EFI,
> > > > the set I got came off of a 1500cc plus 275 hp
NA
> > > > motor, when I called Paul to find out were I
should
> > > > set the metering rod length for a baseline on
my 998cc
> > > > motor, he said
> > > > "didnt they work on the bike they came off of",
I said
> > > > yes, and on they went, they carburate perfectly,
> > > > how is that for compensation?
> > > > Joe :)
> > > >
> > > > Marge and/or Dave Thomssen wrote:
> > > >
> > > > > Joe
> > > > > Paul Gast makes a carb for the pro stock
motorcycles that does the
> same
> > > > > thing, now that you mention it. None of the
scooter racers have to
> change
> > > > > jets at all.
> > > > >
> > > > > Dave the Hayseed
> > > > >
> > > > > ----- Original Message -----
> > > > > From: Joe Amo <jkamo@rapidnet.com>
> > > > > To: Dave Dahlgren <ddahlgren@snet.net>
> > > > > Cc: Marge and/or Dave Thomssen
<mdthom@radiks.net>; Land-speed
> Racers
> > > > > <land-speed@autox.team.net>
> > > > > Sent: Saturday, June 16, 2001 2:28 AM
> > > > > Subject: Re: Fw: Hilborn v. carbs
> > > > >
> > > > > Mine do Dave, you can borrow them, they are
> > > > > Lectron (brand name), a flat slide carb with
a tapered metering
> > > > > rod, no jets, yes they compensate
> > > > > for air density, dont need no electronics,
dont need
> > > > > no high falootin fuel system, its all
natural, self compensating,
> > > > > the dyno and the timing system dont lie, ask
ANY motorcycle
> > > > > prostocker (or 90% of any at the dragstrip,
or wanna be me)
> > > > > Joe :)
> > > > >
> > > > > Dave Dahlgren wrote:
> > > > >
> > > > > > Then what is with all the jets for changing
things?? You mean to
> tell me
> > > > > that a
> > > > > > Holley or carter carb will need no jet
correction to run at 4000
> ft and
> > > > > 110
> > > > > > degrees instead of sea level and 60
degrees.. Sure wish i had one
> of those
> > > > > !
> > > > > > Dave
> > > > > >
> > > > > > Marge and/or Dave Thomssen wrote:
> > > > > > >
> > > > > > > And the answer is: any brand but
Stromberg!
> > > > > > >
> > > > > > > ----- Original Message -----
> > > > > > > From: Dave Dahlgren <ddahlgren@snet.net>
> > > > > > > To: Marge and/or Dave Thomssen
<mdthom@radiks.net>
> > > > > > > Cc: Land-speed Racers <land-
speed@autox.team.net>
> > > > > > > Sent: Saturday, June 16, 2001 5:20 AM
> > > > > > > Subject: Re: Hilborn v. carbs
> > > > > > >
> > > > > > > And the brand carb that will make air
density changes is?
> > > > > > > Dave Dahlgren
> > > > > > >
> > > > > > > Marge and/or Dave Thomssen wrote:
> > > > > > > >
> > > > > > > > Bill
> > > > > > > >
> > > > > > > > I think the major difference between a
Hilborn and a carb is
> the
> > > > > modern
> > > > > > > carb
> > > > > > > > (not a 97) automatically adjusts for
changes in air density
> (within
> > > > > > > limits)
> > > > > > > > and the Hilborn relies on you to change
the pill. If you get
> the pill
> > > > > > > > wrong, the carb out-powers the
Hilborn. EFI is one step
> better, it
> > > > > > > > automatically adjusts everything. CFM
aside, Hilborn trumps
> carb and
> > > > > EFI
> > > > > > > > trumps Hilborn just because of the
fineness of the
> spray(liquid fuel
> > > > > does
> > > > > > > > not burn, only vapor). Having done it,
I have to say that
> tuning an
> > > > > engine
> > > > > > > > equipped with 97's was the biggest
challenge, but I like my
> Holly 750.
> > > > > > > > Dave the hayseed
>
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