Technical one for you... Volumetric efficiency??

Started by Jono FD3, February 21, 2010, 08:31:20 PM

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Jono FD3

February 21, 2010, 08:31:20 PM
Anyone know what the figure is on the 13B REW??

Jono FD3

#1
February 21, 2010, 11:50:52 PM
Sorted now... it\'s near as damb it 90%

Jono

AtomicRex

#2
February 22, 2010, 08:41:22 AM
VE of rotary engine is more like 130% I believe

HaywardRotary

#3
February 22, 2010, 08:51:30 AM
Depends on the porting.
Regards
Carl
We warranty our rebuilt engines for Detonation, track day\'s and RWYB and NOW for 30 months which is two and half years or 30,000 miles
We also build all types of race or road engines.
We build race and track cars too.
Any kind of porting undertaken.
Single turbo conversions.
S

Prof

#4
February 22, 2010, 09:18:01 AM
This is an interesting article:
 
http://cp_www.tripod.com/rotary/pg29.htm
 
Seems a stock ported 13B has a VE around 70%, with turbocharging or porting taking it quite a bit higher...
 
I suspect the 13B MSP (Renesis) engines are more efficient that the older 13B lump as well - due to the clever intake porting.
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

Jono FD3

#5
February 22, 2010, 10:58:54 AM
The renesis lump is 106 ;)
The engine is going to be street ported, but calculating on a std port will do for what I need at the moment ;)

Cheers
Jono

HypoThermia

#6
February 22, 2010, 12:13:12 PM
Quote from: Jono FD3;674136The renesis lump is 106 ;)
The air intake manifold on the renesis includes a small supercharge effect - graphs on page 7 of this SAE paper.

Ian.
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