Probably too early to give you
that. (Used 8.10 and PICkit2).
Ran for the first time today (no prop).
Over speeding not an issue. Ran like a Harley :(
No sure if because no prop or because not tuned yet or if
something else wrong.
Zero RPM readout on EM3. I must have misunderstood the
instructions or the program. I thought the EM3 got RPM from
the EC3, so I didn't wire the tach input to the EM3.
EM3 shows "NOP" until EC3 is turned on. Then shows "0".
Only did a couple of runs. Fuel pumps started leaking badly
around O-rings when I adjusted fuel pressure up to 37psi
(engine not running). Pooled up in fuselage. Need to fix
before I try running again. Gas is cheap, but not that cheap.
I'll try copper washers on the pressure (output) side instead
of the o-rings.
Yes, I know, not pretty. Threaded the output fitting at an
angle :(
Too lazy to redo the output block.
I also need to bend a new input tube without a kink.
Max oil pressure only about 50 psi, hopefully because of low
RPM.
Forgot to turn on master switch so alternator didn't come
on-line.
Didn't log the run where that worked.
Anyhow, can now say I've run the engine :)
Finn
On 5/22/2020 6:12 AM, Stephen Izett
stephen.izett@gmail.com
wrote:
Great work Finn
Could I get the MPLABs version your using and any more info for the build.
I could build and program and confirm the burn but the EC3 ran like a dog.
Steve
On 22 May 2020, at 9:16 am, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
Well, after several hours of Murphy working overtime, I finally was able to get the wiring on my EC3 chip programming board right, chips programmed and EC3 installed.
Flux capacitor fluxing, injectors clicking and spark plug firing.
Time to get the wheels on and roll it out and start the engine.
Oh, wait, guess I need to finish and install the prop :(
Finn
On 5/21/2020 9:23 AM, Finn Lassen finn.lassen@verizon.net wrote:
1) Without prop any vibration will be from engine and PSRU and can inspect engine (leaks, etc.) with no fear of prop.
2) With prop less chance of over rev and some cooling air through rads and oil cooler.
What do you think?
Finn
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