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  Topic: Cost effective technology
Rocketman1988

Replies: 8
Views: 98

PostForum: AeroElectric-List   Posted: Wed Jul 18, 2018 6:52 am   Subject: Re: Cost effective technology
Good story and you have a valid point, however, if no one ever tries to build a better mousetrap, progress would stagnate.

This is an ongoing discussion everywhere, not just these forums. There ar ...
  Topic: Fwd: Re: Question for Bob
Rocketman1988

Replies: 2
Views: 44

PostForum: AeroElectric-List   Posted: Tue Jul 17, 2018 11:07 am   Subject: Re: Fwd: Re: Question for Bob
As the OP, I wanted to ask Bob, specifically, a question. The title was meant to do just that. I do, however, agree with you that there is a good discussion goin on. Not sure if I can change the title ...
  Topic: Fwd: Re: Re: Question for Bob
Rocketman1988

Replies: 2
Views: 58

PostForum: AeroElectric-List   Posted: Tue Jul 17, 2018 7:17 am   Subject: Re: Fwd: Re: Re: Question for Bob
Very true.

You posted a reply in another thread that stated battery contactor failures in flight are exceedingly rare. Hypothetically, you could put a battery contactor in the feed line to a forwar ...
  Topic: Question for Bob
Rocketman1988

Replies: 11
Views: 129

PostForum: AeroElectric-List   Posted: Mon Jul 16, 2018 3:52 pm   Subject: Re: Question for Bob
Sorry about the Zener symbol. The diagram was just sketched out give me something to look at...I never intended on posting it but I did so, as Bob asked...
  Topic: Question for Bob
Rocketman1988

Replies: 11
Views: 129

PostForum: AeroElectric-List   Posted: Mon Jul 16, 2018 2:21 pm   Subject: Re: Question for Bob
Bob

This is just a simple drawing with reference to the Z-14.

The feeders to the "hot" busses are the ones in question. In the RV-10, the 3 contactors are located in the aft fuselage, ...
  Topic: Question for Bob
Rocketman1988

Replies: 11
Views: 129

PostForum: AeroElectric-List   Posted: Mon Jul 16, 2018 12:14 pm   Subject: Re: Question for Bob
Bob

Thanks for the insight.

I am using electronic fuel injection and ignition. So the coil packs, a fuel pump p, and an ECU need to be on a buss powered by both batteries...and the c/b s need t ...
  Topic: Question for Bob
Rocketman1988

Replies: 11
Views: 129

PostForum: AeroElectric-List   Posted: Mon Jul 16, 2018 10:00 am   Subject: Re: Question for Bob
So what size wire did you run from the aft battery to the forward buss?
  Topic: Question for Bob
Rocketman1988

Replies: 11
Views: 129

PostForum: AeroElectric-List   Posted: Mon Jul 16, 2018 7:45 am   Subject: Question for Bob
Bob

I am using the Z-14 for a template.

I have looked at the sketch of the aft mounted batteries, as I am building an RV-10 with an electrically dependent engine.

I would like to have the Mai ...
  Topic: Z-* Question
Rocketman1988

Replies: 41
Views: 410

PostForum: AeroElectric-List   Posted: Wed Jul 11, 2018 11:42 am   Subject: Re: Z-* Question
I do not see the Z-14 as dangerous as drawn for my EFII aircraft. The ECUs can be split between the busses, the fuel pumps can be split and the injector supply will be come from a buss powered by bot ...
  Topic: Z-* Question
Rocketman1988

Replies: 41
Views: 410

PostForum: AeroElectric-List   Posted: Wed Jul 11, 2018 10:32 am   Subject: Re: Z-* Question
I do not see the Z-14 as dangerous as drawn for my EFII aircraft. The ECUs can be split between the busses, the fuel pumps can be split and the injector supply will be come from a buss powered by bot ...
  Topic: Z-* Question
Rocketman1988

Replies: 41
Views: 410

PostForum: AeroElectric-List   Posted: Sat Jul 07, 2018 6:00 pm   Subject: Re: Z-* Question
Well, the alternator could get power from the battery buss...

Anyway, I am using a modified Z-14 for use with EFII systems. The essential buss will be powered from both batteries through a schottk ...
  Topic: Z-* Question
Rocketman1988

Replies: 41
Views: 410

PostForum: AeroElectric-List   Posted: Sat Jul 07, 2018 8:38 am   Subject: Re: Z-* Question
That was my thought, too. If the contactor were to fail OPEN, the alternator would still be able to feed the battery. The battery buss would then be powered as long as the engine was running.

You ...
  Topic: Z-* Question
Rocketman1988

Replies: 41
Views: 410

PostForum: AeroElectric-List   Posted: Sat Jul 07, 2018 5:45 am   Subject: Z-* Question
I am using a Z-14 based system.

I have a question on the alternator B leads.

Is there a advantage/disadvantage to connecting them to the BAT side of the contactor rather than the switched side? ...
  Topic: Battery cables
Rocketman1988

Replies: 10
Views: 116

PostForum: AeroElectric-List   Posted: Wed Jul 04, 2018 7:53 am   Subject: Re: Battery cables
Bob,

That is exactly why I asked the question.

It seems as if the HF dies are the WIRE size, not the wire+connector. This makes the dies FAR too small. I have had good luck with the HF crimper ...
  Topic: Battery cables
Rocketman1988

Replies: 10
Views: 116

PostForum: AeroElectric-List   Posted: Tue Jul 03, 2018 6:48 pm   Subject: Battery cables
For those who are making their own battery cables, what is the recommended crimp?

Is the indent crimp preferred of a hex crimp?
  Topic: Z-14 Question
Rocketman1988

Replies: 18
Views: 205

PostForum: AeroElectric-List   Posted: Sun Jul 01, 2018 11:34 am   Subject: Re: Z-14 Question
Sooo...I do NOT need to use an ANL fuse on those 8AWG battery feeders...

Correct?
  Topic: Z-14 Question (OOPS!)
Rocketman1988

Replies: 1
Views: 60

PostForum: AeroElectric-List   Posted: Sun Jul 01, 2018 5:22 am   Subject: Re: Z-14 Question (OOPS!)
Bob,

Along these same lines, I will have to run two battery buss leads from the aft batteries to the forward busses...about 8.5'.

Using the logic presented here, I need to install a current li ...
  Topic: Z-14 Question
Rocketman1988

Replies: 18
Views: 205

PostForum: AeroElectric-List   Posted: Fri Jun 29, 2018 5:46 am   Subject: Re: Z-14 Question
Kelly,

Thanks for your opinion. I hesitate posting on these forums due to the “nay sayers” when anything other than the simplest tech from the 50’s is suggested. I have chosen to use a full E ...
  Topic: Z-14 Question
Rocketman1988

Replies: 18
Views: 205

PostForum: AeroElectric-List   Posted: Thu Jun 28, 2018 5:30 pm   Subject: Re: Z-14 Question
Thanks! That is pretty much what I am going to do...all three contractors near battery, one #2 to starter solenoid, two #8 battery buss feeders going forward...

I like Bob's idea you, however, the ...
  Topic: Z-14 Question
Rocketman1988

Replies: 18
Views: 205

PostForum: AeroElectric-List   Posted: Thu Jun 28, 2018 12:22 pm   Subject: Z-14 Question
All,

I am going to use the Z-14 layout for my RV-10. The -10 has aft mounted batteries, so I will need to run the main buss wires from the back to the front, where all of the electronics are.

M ...
 
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