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1. 11:36 AM - Re: Fw: Engines (Scott Stearns)
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I thought there was a simple fix for the limp home mode problem.-
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I'm using P-mags for ignition which have spark advance, but it's not as goo
d as you can do with a-knock sensor and digital fuel injection.
-
With light winds and fully cleaned up my plane just might be able to do mak
e it to Hawaii.- After-you make Hawaii then-getting down to Australia
is "easy".- Reminds me of the book called The Sky Beyond by an Australia
n named Gordon Taylor.- It's about the flying in Australia and the south
pacific in the 20s and 30s.- Imagine landing a Catalina on the lagoon in
Bora Bora in the 1930s.- Great book.-
-
Scott
--- On Wed, 1/19/11, Graham Brighton <gbrighton@skymesh.com.au> wrote:
From: Graham Brighton <gbrighton@skymesh.com.au>
Subject: Fw: KIS-List: Engines
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Subject: Re: KIS-List: Engines
G'Day back Scott,
-------------------------
-------- And i reckon u could just about make it to Austral
ia with all that fuel .... of course u'd have to 'super-size' .er ..that Bo
ttle ...!!
I looked at my Subaru engine weights again ... 2.5 sti engine running non t
urbo .. ( turbo 270 hp ...-but looking for derated at close-to 200 hp )
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Engine long block-- -80kg
Engine- exhaust x2--- 4kg
Alternator 70amp------ 5kg
Engine mounts-----------3kg
Intake/coil/leads/TB--- 7kg
Redrive- 1:1.82 ratio 26kg
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Total ..........---------------- 125kg- (
275 lbs
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Belly Scoop Radiator ...-- ?kg
Plumbing ........................-- ?kg
Water- coolant...................?kg
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So pretty line ball with the IO 360 by the looks ..?!
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Cost well ..... Auto conversions can cost anything- ...cost Larry his pla
ne ... sob ...cost me a forced landing and some busted parts ... has cost o
thers much more hey ..?--- BUT .... If u find the rite engine builder
(finally i think i have ) who specializes in only my engine- (subaru) ty
pe and is fair dinkum ( not blowing smoke) ... well not much money-... I'
v managed to track down bout the best subaru man in Melbourne ...$ 2-3 K fo
r engine preparation (blue printing crank clearances,forged pistons ,line b
oring ,s/s x-rayed valves , etc etc .. i supplied the block and-core head
s and Delta cams .. His short block (factory new) price- $1600 .. ( bugge
r i already paid $2000 for the same factory block grr ..!?)
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Haven't settled on engine management ... has to be not subaru though (limp
mode etc etc ..)- The engine builder is looking at SDS and Tracy Cook etc
...
Running knock sensors allows timing rite up to Peck Power .. and without it
the engine-is just missing out on available power ...!
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Redrives ... are a real headache i think .... Harmonics vary with each indi
vidual engine type combo ... so danger there ...
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Electric's ...well i didn't build the plane so there is gaps in my knowledg
e how some things are set up .. i have two 17 amp hr (34 amp hrs)Batteries
and two Buss's ..engine runs on either or both !!- .. and will run on the
Alternator alone ..!!!-- ...not as good as running Mags ...but ur Mag
-timing is set off for detonation safety ...- so loosing power hey !!
-
Anyway ...blowed if i know ... i specially DON'T like getting milked by the
certified engine so and so's ...!!!
-
Engine guy thinks i'm a little-conservative ... ! but a turbo is a possib
ility in the future ..far off though -...( car turbo rotors are not suita
ble for aero use though )
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So ..as Bill says ...not for everybody ..!!
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-Cheers
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Graham
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Ps Have friends coming to CA in 3 wks time ..wish it was me ..sob ..!
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----- Original Message -----
From: Scott Stearns
Sent: Tuesday, January 18, 2011 7:26 PM
Subject: Re: KIS-List: Engines
Hi Graham,
-
I don't mind using a relief bottle.- Also going multiple legs without ref
ueling can be useful.- For instance I was flying down in the Bahamas over
the summer and it would have saved a good amount of money to have been abl
e to fill up with $4 gallon gas in the US and not have to buy the $6+/gallo
n gas in the Bahamas.-
-
Basically I can do two 3 hour legs and land with full main tanks (40 gallon
s), but I would have to do it solo.- For instance I'll flying from Califo
rnia to Florida at some point.- Right now there are some airports in texa
s that are selling 100LL for $3.50/gallon.- I could fly from Texas to Flo
rida and half way back with the cheap gas even if I wanted to-stop a coup
le times.
-
Good luck with the subaru engine. What kind of power are you expecting and
at what cost?- What kind of electical system are you running to have back
up power for the engine computer?
-
Scott
-
-
--- On Mon, 1/17/11, Graham Brighton <gbrighton@skymesh.com.au> wrote:
From: Graham Brighton <gbrighton@skymesh.com.au>
Subject: Re: KIS-List: Engines
Scott,
------------ My Internet has been interrupted latel
y (flooding up north) ..so couldn't get back-straight away ..- Good thi
nking on being able to-hold HP up high ..have to wonder about 'watering t
he horse' -though with all that fuel endurance .... My 'endurance'- due
bladder -..!!! is only a couple of hrs though ..!!!
-
On my engine build ... well the engine is in some ways the easy part and i
do like water for head cooling etc -...but the Redrive-with an auto con
version is-much more problematic .. !!! -Should come in under 300lbs ..
. will re total the weights this week ..
-
Hey ..Bill Schertz ...how bout chiming in with some back up with ur Cruiser
.... it has a Rotary rite ..or ..or ..?
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Cheers
-
Graham
(TR1 #80)
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