Re: the Navarro Six, O-ring questions

[adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)]

" From: Tom Jennings <tomj@xxxxxxx>
" 
" On Wed, 20 Jul 2005, Sandwich Maker wrote:
" 
" > " I made a spreadsheet with some of the basic turbo calcs. With the
" > " TE06 and motor at 6000 rpm, one turbo would produce 20psi and
" > " r=2.4. A second TE06 at r=2.4 with input at 20psig makes 45psig
" > " output.
" >
" > wild guess: 'r' is pressure ratio, right?
" 
" D'oh, sorry, yes.
" 
" > then, using a for atmospheric pressure and b for boost,
" > ( a * r ) - a = b
" > right?
" >
" > if so, r=2.4 gives b=20, and r=4.1 gives b=45, pretty closely.
" 
" The MacInnes book specs inlet pressure as PSIA (absolute, eg. 14.7
" seal level) but PSIG (guage) outlet pressure, eg. what you'd see
" on a gauge. Hence, inlet to the second turbo (pending Frank's
" observations that they're in parallel, not series...) is 20+14.7 =
" 34.7 ("35").

right.  my final subtraction of a was to convert psia to psig.

" > going to run intercoolers?
" 
" 
" Oh I would never do any of this! It's waaay outa my league from
" skills, cost, etc. I'm just trying to work out what Navarro built,
" really, just to work up a rational basis to go ask him questions.
" 
" If I do end up building something around this motor, it'd be a
" single turbo far, far below anything like these numbers.  The
" attraction of this engine is, if it was designed to be reasonably
" reliable at 50psi boost/600hp, it ought to take a nap at 20 psi
" boost/300hp.

okay, single turbo - but with intercooler.  and if things fall into
line, don't stop at 20psi.

;^>

" Easier said than done though -- to actually get this thing in a
" car is another story. The block boss on the left used to mount
" P.S. pump has been drilled out for oiling, I don't know if a stock
" oil pump could feed the huge galleries, what strong transmission
" will bolt to the Rambler six block, etc.

if you want an auto:
1. iron warner / ford fmx.
2. '65-'71 fsj 232/th400
if you want a stick:
the rare 'mexican' bell [i have the only one i know of] takes an
amc-pattern doug nash 5sp or 6sp...

also, it has meat for a gm pattern, but it's waaay too deep for a gm
input shaft - which you'd expect since it takes an amc t-10.
________________________________________________________________________
Andrew Hay                                  the genius nature
internet rambler                            is to see what all have seen

adh@xxxxxxxxxxxxxxxxx                       and think what none thought