Need engine for airplane
I need engine weights ( aircraft need light weight )
on 4 cylinder , DOHC Tigers . First glance ... Tiger engine could work well in plane . But only DOHC , then a DIY TURBO . What a RIP OFF , $1000 for a TURBO , you could do better making it yourself ! They are dual flow , radial then axial flow ( compressor). Thats a complication . Obviously axial is far too expensive , use radial ( col = centrifugal ) . Ball bearings in a Turbo are an expensive "feature" , a very high maintaince item . But a DIY turbo can use a much larger diam wheel , and thus ball bearings . Large diameter slows spoolup . BAD ... Aircraft engines are constant speed , no problem . BTW engine builders always over boost PSI to engine . Its for this or that engine limit , rule , regulations .. But street racing needs large ,light weightengine , with low boost . The result is more HP to the wheels . Next , with DOHC , you can control both ends of power , RACE or ECONOMY . a DIY hydraulic advance/retard on the intake cam ,, lowers the effective C.R. to max the fuel economy . WIKI Atkinson/Miller cycles , internal combustion engines . waste gate and the fuel economy . |
BTW . Acura B engines were all aluminum , right ???
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Honda EU Civic R K 20 Z3 .......good engine .
210 hp / 7800 ..... 146lb ft 5600 rpm roller tappets , iVTEC |
Airplanes need large DOHC engines ,
to retard intake cam for economy . None of the avail V6 had DOHC . Still cant figure which Acura engines are aluminum block . JDM engines are low cost . $1000 for a Acura engine is easy even if ya have to add $1500 in pistons/rings/ "mains" and "rods" ( bearings) . Butchers will bore your short block and claim the scratches in bore are for seating in the rings . No car maker does that ! Im thinking about making turbo-chargers . Dual , so i can block one at 20,000 altitude . Waste gates nor expander vanes arent as effecient as 2 Turbos in parallel . F and H engines are DOHC , |
NSX motor is DOHC
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all legend blocks and nsx blocks a aluminum
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Aluminum block tigers
For airplanes , DOHC is essential , to tune intake cam dynamically
with a tiny hydraulic rotary actuator hooked on end of cam . Im now interested in H and F22,F23 DOHC engines . But i lack knowledge of which were iron block . I really need the all aluminum blocks . |
Need engine for airplane
ive got the 305 engine in my RS. its got 111,000 on it. but runs great, i just got whole suspension re-done. i want more out of my engine though.. what can i do to get some added Hp?
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