Mailing List flyrotary@lancaironline.net Message #65740
From: Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: amp load for ec-3
Date: Sun, 24 May 2020 09:05:59 +0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Finn

I use 2 engine pumps on takeoff and then switch one off. One is a higher flow using 8.7amps and the other is slightly lower flow at 6.2amps (way overkill)
Our facet transfer pump is circulating fuel from single main fuel tank in the wing to a 28L header tank that feeds the engine.
Steve

> On 24 May 2020, at 7:24 am, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>
> Don't normally need two pumps running.
>
> I'm using GLS-414 for my primary pump, and GLS-393 for backup (because I already had it).
> That should reduce the pump draw to 5A or less.
>
> Doesn't really make sense to use power to circulate fuel unnecessarily.
>
> Hope to get you actual numbers soon.
>
> Finn
>
> On 5/23/2020 6:44 PM, Stephen Izett stephen.izett@gmail.com wrote:
>> Hi Rich
>>
>> My Renesis 4 port setup (standard injectors)
>> Actual measurements except coils and injectors which I thought were educated guesses.
>>
>> EC2 0.3
>> EM3 0.5
>> COILS D585 5.0
>> INJECTORS 2.0
>> FUEL PRESSURE PUMP (2) 14.9
>> FUEL TRANSFER PUMP 1.2
>> O2 SENSOR 1.0
>> Total on TO 24.9 Amps
>>
>> I’d like to know anyones actual coil and injector numbers.
>>
>> Cheers
>>
>> Steve Izett
>>
>>> On 24 May 2020, at 12:45 am, A R Goldman argoldman@aol.com <flyrotary@lancaironline.net> wrote:
>>>
>>> Add ignition to that. 🤕 renesis (04)
>>>
>>> Rich
>>>
>>> Sent from my iPhone
>>>
>>>> On May 23, 2020, at 11:30 AM, A R Goldman argoldman@aol.com <flyrotary@lancaironline.net> wrote:
>>>>
>>>> Greetings all
>>>>
>>>> Anybody know the total current draw for Tracy’s EC-3 including efi,injectors, pump, etc at about 7-8 k. Rpm?
>>>>
>>>> Thanks
>>>>
>>>> Rich
>>>>
>>>> Sent from my iPhone
>>>>
>>>>> On May 21, 2020, at 8:16 PM, 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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>>>>>
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>
>
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