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Ed A, Thanks Ed, Four 550s for the 6000 rpm engine sounds good to me. Jerry
On Thursday, January 20, 2005, at 09:08 PM, Ed Anderson wrote:
Hi Ed K, good to see you on the list.
I guess I lost the thread on this PP discussion. If this is a PP for a two
rotor looking to make 200+ HP then one 550 cc/min injector per runner won't
do the job in my opinion. Two injectors would provide a combined max fuel
flow of 1100 cc/min or if you derate it to 80%, 0.8*1100 = or 880 cc/min =
0.0.2324714 gallon/min or for an hour .2325*60 = 13.95 gallon/hr. In terms
of HP that would give you 13.9*6.25/.55 = 158 HP. I think if only using two
injectors you would want something in the range of 800 cc/min injectors.
Consider the 2 rotor 91 turbo block, it uses four 550 cc/min injectors to
produce around 210-220 HP, so producing 200+ HP on just two 550 cc/min
injectors does not compute for me. But, perhaps I am missing something
here.
Just my opinion of course.
Ed Anderson
----- Original Message -----
From: "Ed Klepeis" <techwelding@comcast.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, January 20, 2005 8:41 PM
Subject: [FlyRotary] Re: P Port fuel Injection
Jerry
When I called mico tech they said one 550cc injector per runner would
do the job. I think I just might make mine up with only one per runner.
Can
you ask around and get some opinions on this size injector and will they
think it would work before I would consider buying them. I guess if we
wanted an expert opinion we could ask master paul HaHa I don't think I
could
put up with his answer.thanks
Regards
Ed
----- Original Message -----
From: "Jerry Hey" <j-winddesigns@thegrid.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, January 20, 2005 6:25 PM
Subject: [FlyRotary] Re: P Port fuel Injection
Exactly, the point. We need to test our concepts. This one I am very
optimistic about but you never know.........
What do you think of Paul L's Dyno? I plan to build one once the
engine
is ready to test. Jerry
On Thursday, January 20, 2005, at 11:59 AM, WRJJRS@aol.com wrote:
Jerry,
The manifolds of many of the newer cars are very convoluted. The
injection tends to be within about 4" of the port though. The original
inot the bell injection was used on car with a total inlet length of
less
than 6". You are in uncharted territory on injecting upstream. There is
little info to be had, you will just have to try it.
Bill Jepson
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