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Search: Posts Made By: svyolo
Forum: Fuel Injection Systems 07-16-2018, 10:12 PM
Replies: 81
Views: 22,712
Posted By svyolo
Connector quality is one of the unsung heroes of...

Connector quality is one of the unsung heroes of modern car reliability. Using these, especially forward of the firewall, is one of my reasons for trusting EFI. All of my power distribution will be...
Forum: Fuel Injection Systems 07-14-2018, 10:14 PM
Replies: 81
Views: 22,712
Posted By svyolo
Mounting on top of the engine, any issues with...

Mounting on top of the engine, any issues with heat after shutdown? Obviously while running they are being air cooled by fresh air. After shutdown, hot air flows up hill and the coil will get very...
Forum: Fuel Injection Systems 07-03-2018, 07:54 PM
Replies: 73
Views: 12,765
Posted By svyolo
Ross; Do you have any SWAG on when you will be...

Ross;
Do you have any SWAG on when you will be ready to start shipping systems with the new computers.
Forum: Traditional Aircraft Engines 05-25-2018, 11:18 PM
Replies: 16
Views: 1,253
Posted By svyolo
I started out with model airplanes around 1970. ...

I started out with model airplanes around 1970. A couple years later into RC air planes. There were electric RC planes then. Nicads, Nickel metal hydrate, lithium batteries. Double capacity every...
Forum: Electrical Systems 05-19-2018, 10:54 PM
Replies: 261
Views: 16,449
Posted By svyolo
I was a 727 FE for a year. Trust me, having a...

I was a 727 FE for a year. Trust me, having a human in the loop was not optimal. It was required. My next position was 757 FO. No FE. 1st generation modern cockpit automation. VERY GOOD level of...
Forum: Electrical Systems 05-18-2018, 08:29 PM
Replies: 261
Views: 16,449
Posted By svyolo
I would rather be riding in a glider, than a...

I would rather be riding in a glider, than a Roman Candle.
Forum: Electrical Systems 05-17-2018, 09:36 PM
Replies: 146
Views: 33,382
Posted By svyolo
The couple of local places that "rebuild"...

The couple of local places that "rebuild" alternators locally are getting a bad rep as the voltage regulators they use are failing quickly.

They both claim that they are buying the only available...
Forum: Electrical Systems 05-17-2018, 07:35 PM
Replies: 261
Views: 16,449
Posted By svyolo
I prefer relays to switches carrying power. I...

I prefer relays to switches carrying power. I have changed lots of switches in my life. Maybe one normal relay I have changed, not counting a few starter relays. Different animal.

My engine bus...
Forum: Electrical Systems 05-15-2018, 10:01 PM
Replies: 261
Views: 16,449
Posted By svyolo
Mark33; I questioned (mostly silently) the oil...

Mark33;
I questioned (mostly silently) the oil pressure switch shutoff as another mode of failure. However your #4 answer, about this ONLY being active with normal operation of FP #1, and disabled...
Forum: Electrical Systems 05-13-2018, 10:27 PM
Replies: 261
Views: 16,449
Posted By svyolo
Robert; Threads like this are the reason I am...

Robert;
Threads like this are the reason I am here. To learn. Very occasionally I might have something to add.

I am not a moderator, but to me your posts cross the line and actually detract from...
Forum: Electrical Systems 05-10-2018, 12:28 AM
Replies: 261
Views: 16,449
Posted By svyolo
I will be ordering an EFI in a month or two, but...

I will be ordering an EFI in a month or two, but I have spent more than 6 months trying to figure out how I want to wire it. My "dream" was to use an automotive relay and fuse panel. That is still...
Forum: Glass Cockpit 05-09-2018, 11:59 PM
Replies: 65
Views: 14,048
Posted By svyolo
Having been taught to fly, and then flew, AOA as...

Having been taught to fly, and then flew, AOA as a primary performance instrument, I will have an AOA on my plane (Bearhawk). I wish I could talk one or more of the EFIS manufacturers to do a...
Forum: Glass Cockpit 05-03-2018, 09:13 AM
Replies: 14
Views: 1,415
Posted By svyolo
For IFR I would definitely want more than one...

For IFR I would definitely want more than one screen. For VFR I am going with one EFIS and an IPAD. You would be amazed at how much SA a tablet provides. I think Google maps will by my primary...
Forum: Glass Cockpit 05-03-2018, 09:06 AM
Replies: 65
Views: 14,048
Posted By svyolo
I flew 18's a long time ago. It had HUD which...

I flew 18's a long time ago. It had HUD which was a pleasure to fly off of. But it was focused to infinity. About 4 years ago I was in a different airlines simulator flying a 737 with a HUD (ours...
Forum: Fuel Injection Systems 05-01-2018, 06:10 AM
Replies: 81
Views: 22,712
Posted By svyolo
Ross, hopefully this question is a bit more...

Ross, hopefully this question is a bit more knowledgeable than my last.

I read that due to fuel heating, the minimum size header tank (if you use one) is 3 gallons. But I have seen a few install...
Forum: Fuel Injection Systems 05-01-2018, 02:09 AM
Replies: 81
Views: 22,712
Posted By svyolo
Hopefully I would have figured that out when I...

Hopefully I would have figured that out when I get my engine next month. LOL.
Forum: Fuel Injection Systems 04-30-2018, 11:09 PM
Replies: 81
Views: 22,712
Posted By svyolo
Ross; Very nice pics. What are the hard lines on...

Ross;
Very nice pics.
What are the hard lines on the lower part of the cylinder heads for? Primers?
Forum: Electrical Systems 04-26-2018, 01:57 PM
Replies: 22
Views: 1,790
Posted By svyolo
Thanks for all the input to everyone that...

Thanks for all the input to everyone that responded.

I like the idea of the Bus Manager and VPX, but am just not knowledgeable enough about them to feel comfortable using them. I think I am most...
Forum: Electrical Systems 04-24-2018, 09:48 PM
Replies: 22
Views: 1,790
Posted By svyolo
Mark; I was going to run the two FP's on two...

Mark;
I was going to run the two FP's on two separate circuits for redundancy. For the most part, the primary functions of all the EFI/EI will be run through a dedicated 87a circuit. 87 will only...
Forum: Electrical Systems 04-24-2018, 12:32 AM
Replies: 22
Views: 1,790
Posted By svyolo
Mark you lost me 3 sentences into the second...

Mark you lost me 3 sentences into the second paragraph. I would need to see a diagram. But in general I agree with your logic.

I am going to use a separate circuit, fuse, and relay for each FP,...
Forum: Electrical Systems 04-23-2018, 02:19 PM
Replies: 22
Views: 1,790
Posted By svyolo
My thoughts on using relays is my experience with...

My thoughts on using relays is my experience with failed switches. Here is the way I want to use relays in my EFI/EI.

There will be a bus dedicated to running the engine. That is the only bus that...
Forum: Electrical Systems 04-19-2018, 09:51 PM
Replies: 22
Views: 1,790
Posted By svyolo
I have had very bad luck with switches of all...

I have had very bad luck with switches of all types in lots of applications for a very long time. Like decades. I have had very little problem with relays. I think I have only replaced a couple of...
Forum: Electrical Systems 04-19-2018, 12:59 PM
Replies: 22
Views: 1,790
Posted By svyolo
A different relay question

I have a different relay question, maybe a bit esoteric. I am going to run EFI/EI and will have some switches to control pumps/ignitions/etc. They will only turn relays on and off, no power...
Forum: Fuel Injection Systems 04-08-2018, 12:15 AM
Replies: 4
Views: 923
Posted By svyolo
Ross; The software does not directly interact. ...

Ross;
The software does not directly interact. They all are some level of Digital/Analog converteres, or vice versa. But all possible modes are not, and can never be, tested.

Scares me. I am not...
Forum: Fuel Injection Systems 04-06-2018, 12:06 PM
Replies: 4
Views: 923
Posted By svyolo
Ross; One of the concerns that I have going...

Ross;
One of the concerns that I have going forward is all the automation and software of installed systems, and how they might negatively interact. VPX, BMS on lithium batterys, voltage regulators,...
Forum: Electronic Ignition Systems 03-23-2018, 06:49 AM
Replies: 176
Views: 22,109
Posted By svyolo
The little standby EFIS that the companies sell...

The little standby EFIS that the companies sell are probably priceless. My build is day VFR and an IPAD and Note 8 are my backups.

EFIS takes a very short time to get used to. Maybe a couple of...
Forum: Electronic Ignition Systems 03-22-2018, 10:50 PM
Replies: 176
Views: 22,109
Posted By svyolo
Having flown HUDs and EFIS exclusively for over...

Having flown HUDs and EFIS exclusively for over 25 years I promise you steam gauges are not a good backup for EFIS. You will not remember how to analyze the little white needles in an emergency. ...
Forum: Fuel Injection Systems 03-21-2018, 07:51 AM
Replies: 15
Views: 1,014
Posted By svyolo
So, there I was. Down to 15 gallons of fuel. ...

So, there I was. Down to 15 gallons of fuel. Decide to do a half a dozen touch and goes. Left pattern. Fuel selector in BOTH. Every time I turn, the high wing (right wing)is feeding 25 gph. ...
Forum: Fuel Injection Systems 03-20-2018, 10:10 PM
Replies: 15
Views: 1,014
Posted By svyolo
And the other 49% of me wants to mount a header...

And the other 49% of me wants to mount a header tank.
Forum: Fuel Injection Systems 03-20-2018, 10:06 PM
Replies: 15
Views: 1,014
Posted By svyolo
Hi Bcone; I wish I had more experience with light...

Hi Bcone;
I wish I had more experience with light aircraft and their systems. I really don't want to go off on a tangent.
It seems to me that a header tank is either designed for a specific purpose...
Forum: Fuel Injection Systems 03-19-2018, 12:32 AM
Replies: 15
Views: 1,014
Posted By svyolo
I will send both Andair and Newton an email. ...

I will send both Andair and Newton an email. Thanks for the input.

From the Newton website, the V4 threads are a bit confusing. Cut and pasted.

"The return ports are tapped female for NPT...
Forum: Fuel Injection Systems 03-18-2018, 09:19 PM
Replies: 15
Views: 1,014
Posted By svyolo
Thanks, I was wondering if that is how folks were...

Thanks,
I was wondering if that is how folks were using the Newton valve. I will check again but I think one of the Newton valves was 1/4" NPT. There was a smaller one also, I think 1/8.
Forum: Fuel Injection Systems 03-18-2018, 06:25 PM
Replies: 15
Views: 1,014
Posted By svyolo
The aircraft plans call or 3/8" regardless of...

The aircraft plans call or 3/8" regardless of engine. Each tank has a for and aft 3/8" feed line, which are T-ed before they enter the fuel valve. The info I have for the EFI says 3/8" feed and...
Forum: Fuel Injection Systems 03-18-2018, 01:00 AM
Replies: 15
Views: 1,014
Posted By svyolo
Duplex fuel valve

I am looking for a suitable fuel valve for a EFI setup in a high wing plane (Bearhawk), and a IO-540. Its a dual tank, gravity fed system, and the designer highly recommends running the fuel valve...
Forum: Fuel Injection Systems 03-13-2018, 11:46 PM
Replies: 13
Views: 2,921
Posted By svyolo
I have been aware of SDS's existent for well over...

I have been aware of SDS's existent for well over a decade because of my involvement with another industry (automotive engine conversions). They have been selling EFI for a long time, successfully....
Forum: Fuel Injection Systems 03-13-2018, 03:22 AM
Replies: 13
Views: 2,921
Posted By svyolo
I used a Microsquirt on a single cylinder...

I used a Microsquirt on a single cylinder motorcycle successfully. about 8 years ago. Other than somebody who has done wiring for a living, I have probably done more 12v wiring than 99.9% of the...
Forum: Fuel Injection Systems 03-06-2018, 07:02 AM
Replies: 48
Views: 5,571
Posted By svyolo
The more automatic SDS becomes, the more it...

The more automatic SDS becomes, the more it becomes like an ECu from a car, which works great on a car. Cutting power back to idle because of a suspected minor fault doesn't work very well on an...
Forum: Fuel Injection Systems 03-06-2018, 06:54 AM
Replies: 48
Views: 5,571
Posted By svyolo
Does not exist, on planet earth. Automotive,...

Does not exist, on planet earth. Automotive, aviation, anywhere. Way beyond FADEC. It does not exist.
Forum: Fuel Injection Systems 02-14-2018, 08:06 PM
Replies: 73
Views: 12,765
Posted By svyolo
Awesome thanks.

Awesome thanks.
Forum: Fuel Injection Systems 02-03-2018, 10:22 AM
Replies: 73
Views: 12,765
Posted By svyolo
Ross; I am looking at Duplex fuel valves for the...

Ross;
I am looking at Duplex fuel valves for the EFI on my high wing (Bearhawk) application. The designer recommends running the fuel valve in "Both", especially for TO and Landing. Andair doesn't...
Forum: Alternative Engines 01-28-2018, 09:48 PM
Replies: 20
Views: 3,657
Posted By svyolo
I think you can build the Corvair up to 130 hp. ...

I think you can build the Corvair up to 130 hp. Keep the airplane light and simple, and it will probably be a dream to fly. Won't have the top speed, but I bet it climbs great, and lands VERY slow.
Forum: Glass Cockpit 01-17-2018, 01:35 AM
Replies: 24
Views: 1,995
Posted By svyolo
CARL; Thanks for the offer. Simple day VFR,...

CARL;
Thanks for the offer. Simple day VFR, single EFIS and an IPAD. I speak fluent electrical.

Jesse;
Thanks for emphasizing not running wires in an unfinished airplane. I might have. ...
Forum: Glass Cockpit 01-17-2018, 01:11 AM
Replies: 24
Views: 1,995
Posted By svyolo
Thanks for all the great responses from everyone....

Thanks for all the great responses from everyone. The only EFIS decision I knew to do was not buy till I need it next month. Same with ADS-B. Just trying to sort out my electric system during...
Forum: Fuel Injection Systems 01-16-2018, 06:59 AM
Replies: 35
Views: 3,840
Posted By svyolo
No argument, or disrespect, for your choice, and...

No argument, or disrespect, for your choice, and comfort zone.

Fair winds, and following seas, to all.
Forum: Fuel Injection Systems 01-16-2018, 12:54 AM
Replies: 35
Views: 3,840
Posted By svyolo
Larry; Like I said, each of us has to be...

Larry;

Like I said, each of us has to be comfortable with what we built on a dark and stormy night. I won't try to tell anyone what that is for them, I can only answer it for myself.

In about 2...
Forum: Glass Cockpit 01-15-2018, 02:00 AM
Replies: 24
Views: 1,995
Posted By svyolo
Good info. Thanks. I assumed you couldn't move...

Good info. Thanks. I assumed you couldn't move the airplane until you got an alignment, but wasn't sure about engine start. I am a little surprised how long alignment takes. I would have assumed...
Forum: Glass Cockpit 01-15-2018, 12:28 AM
Replies: 24
Views: 1,995
Posted By svyolo
Thanks. Does engine vibration adversely affect...

Thanks.

Does engine vibration adversely affect the alignment? i.e. do you need to align before engine start?

I am hoping to leave the powered off for start, then power up/align.

Yeah, I am not...
Forum: Glass Cockpit 01-14-2018, 09:52 PM
Replies: 24
Views: 1,995
Posted By svyolo
EFIS questions

I am about to start building a QB kit in about 2 months, and have to start making choices. I have a couple of questions about EFIS's, no brand in particular.

Do EFIS's have their own on/off switch,...
Forum: Glass Cockpit 01-14-2018, 09:49 PM
Replies: 20
Views: 2,335
Posted By svyolo
Why not just a cigarette lighter plug, mounted...

Why not just a cigarette lighter plug, mounted under the panel instead of on it. Wire it to power avionics only, on the ground.

Car shops use the cars auto plug to keep the ECU programmed when they...
Forum: Fuel Injection Systems 01-14-2018, 09:44 PM
Replies: 35
Views: 3,840
Posted By svyolo
I fly commercially, and have had this discussion...

I fly commercially, and have had this discussion with several dozen out of the several thousand pilots I have flown next to. I have 6 civilian type ratings, and 4 military jets as well. I have had...
Forum: RV-9/9A 01-13-2018, 06:46 AM
Replies: 17
Views: 2,763
Posted By svyolo
I was expecting something like that. But I never...

I was expecting something like that. But I never heard an actual %. So with a CS prop, running the same MP/rpm either LOP or ROP, the plane flies slower LOP, and the CS prop compensates by using a...
Forum: RV-9/9A 01-12-2018, 07:06 PM
Replies: 17
Views: 2,763
Posted By svyolo
HI Ross; I guess my question is this. Are 22/22...

HI Ross;
I guess my question is this. Are 22/22 ROP, and 22/22 LOP, the same amount of power? My assumption is not.
Forum: RV-9/9A 01-12-2018, 05:27 AM
Replies: 17
Views: 2,763
Posted By svyolo
So I can't believe a bunch of RV guys haven't...

So I can't believe a bunch of RV guys haven't done this. Fly 8000' 170 KIAS, ROP. Then fly 8000', 170 KIAS, LOP. What was the difference in MP and rpm? I have been searching for this for a long...
Forum: RV-9/9A 01-12-2018, 05:24 AM
Replies: 17
Views: 2,763
Posted By svyolo
Power is also a function of how fast you are...

Power is also a function of how fast you are producing work. So RPM definitely matters.

Anybody got a resource for what this all means LOP? 24/24 at SL is 75%. I think Lyc doesn't want you to...
Forum: Glass Cockpit 01-11-2018, 03:20 AM
Replies: 21
Views: 2,186
Posted By svyolo
I am a former Naval Aviator as well (USMC side). ...

I am a former Naval Aviator as well (USMC side). We were talk to fly AOA as a performance instrument, not just safety. I always thought it was a better way to fly, but old school electromechanical...
Forum: RV General Discussion/News 12-30-2017, 11:54 PM
Replies: 82
Views: 15,899
Posted By svyolo
I have always been a big fan of RV's. The RV-4...

I have always been a big fan of RV's. The RV-4 prototype showed up at Oshkosh for the first time, the last time I went to Oshkosh.

But, I have never come close to buying or building one. If Van's...
Forum: Electronic Ignition Systems 12-28-2017, 06:07 PM
Replies: 2
Views: 500
Posted By svyolo
One of the manufacturers that makes EI makes what...

One of the manufacturers that makes EI makes what you describe. I don't know what magnet configuration they use. I was going to inquire. I might be interested in one of the units you are going to...
Forum: Glass Cockpit 12-21-2017, 09:48 PM
Replies: 37
Views: 5,854
Posted By svyolo
I am going through the selection process as well,...

I am going through the selection process as well, remotely. No hands on yet. I do like the idea of MGL's RDAC, as it cleans up the engine probe wiring. I would say my likes and dislikes are:

1. I...
Forum: Electrical Systems 12-21-2017, 04:35 AM
Replies: 13
Views: 1,293
Posted By svyolo
So far my favorite from googling pics is a late...

So far my favorite from googling pics is a late model Honda Fit. Very neat and organized, and very compact.
Forum: Electrical Systems 12-21-2017, 03:00 AM
Replies: 13
Views: 1,293
Posted By svyolo
I like the idea of the VPX, but am not...

I like the idea of the VPX, but am not comfortable with it yet.

The reason for the automotive fuse/relay panel, is to eliminate some labor, and remove risk by having fewer hand made (by me)...
Forum: Electrical Systems 12-20-2017, 11:22 PM
Replies: 13
Views: 1,293
Posted By svyolo
Automotive fuse/relay panel

Has anyone ever used a fuse/relay panel out of newer car for most of their fuses/relays? They are not aviation "pretty". I would hide it behind a hinged panel in the panel for easy access. You...
Forum: Electrical Systems 12-19-2017, 12:45 AM
Replies: 90
Views: 19,254
Posted By svyolo
I just read through it for the same reason. I...

I just read through it for the same reason. I start building a QB kit (Bearhawk) in about 3 months. Trying to learn as much as I can. Until a few months ago, I had never heard of electronic CB's...
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