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Search took 4.31 seconds. Search: Posts Made By: rv6ejguy
Forum: RV-10 Today, 06:47 PM
Replies: 46
Views: 18,779
Posted By rv6ejguy
Interesting observations on the seat/ valve...

Interesting observations on the seat/ valve recession. I think I talked to David Brown on this one. I wonder if seat material has changed in newer engines?

What vintage were the cylinders on this...
Forum: Alternative Engines Today, 06:39 PM
Replies: 8
Views: 773
Posted By rv6ejguy
Jeff, Gen 2. Thanks for catching that, edited.

Jeff, Gen 2. Thanks for catching that, edited.
Forum: Northwest Today, 07:31 AM
Replies: 15
Views: 1,296
Posted By rv6ejguy
Keith, where is your real-world data to back up...

Keith, where is your real-world data to back up your theoretical calcs and claims here? How do you calculate failure rates without data?

It seems you think chips, resistors and caps are falling off...
Forum: Northwest Yesterday, 11:02 AM
Replies: 15
Views: 1,296
Posted By rv6ejguy
Stats

For transparency and clarity, I dug up my post from 10/11/17 in another EI reliability thread to save people the trouble of searching:

"Well, I'll break the mold here and publish our stats if you...
Forum: Northwest Yesterday, 06:19 AM
Replies: 15
Views: 1,296
Posted By rv6ejguy
Sorry, it does seem like your intent was to cast...

Sorry, it does seem like your intent was to cast aspersions on EFI with no admitted real world experience with them. The OP asked people to comment on their experiences and you have stated you have...
Forum: Electronic Ignition Systems 12-11-2019, 09:39 PM
Replies: 6
Views: 251
Posted By rv6ejguy
Sorry DPST.

Sorry DPST.
Forum: RV General Discussion/News 12-11-2019, 09:01 PM
Replies: 10
Views: 1,003
Posted By rv6ejguy
Yup. Sound advice.

Yup. Sound advice.
Forum: Fuel Injection Systems 12-11-2019, 08:59 PM
Replies: 93
Views: 16,293
Posted By rv6ejguy
Design1 Video

Short vid showing the first production Design1 programmer.

https://youtu.be/vucst8RYeWE

I'll do a more in depth one showing the new screens when I get more time. Busy filling as many orders as...
Forum: Northwest 12-11-2019, 08:06 PM
Replies: 15
Views: 1,296
Posted By rv6ejguy
We have something over 1400 single ECU systems...

We have something over 1400 single ECU systems flying including the one in our company RV for 17 years. My guess is these single ECU systems account for about 500,000 of the 700,000 total flight...
Forum: Electronic Ignition Systems 12-11-2019, 01:58 PM
Replies: 6
Views: 251
Posted By rv6ejguy
We found that some electronics leak tiny amount...

We found that some electronics leak tiny amount current onto the bus and this was sometimes enough to keep the CPI from shutting down.
Forum: Northwest 12-11-2019, 01:49 PM
Replies: 15
Views: 1,296
Posted By rv6ejguy
We've offered dual redundant ECUs since 2015 and...

We've offered dual redundant ECUs since 2015 and this is the choice of the majority of aviation buyers now.

Each ECU board has separate power and ground wires and separate sensor suites. Each ECU...
Forum: Fuel Injection Systems 12-11-2019, 09:38 AM
Replies: 12
Views: 535
Posted By rv6ejguy
We suggest tuning the values to obtain best power...

We suggest tuning the values to obtain best power with the mixture knob at the 12 O'clock position. Lean or richen with the knob as needed from there.

I can't be sure what the OP has for ECUs since...
Forum: Electronic Ignition Systems 12-11-2019, 08:04 AM
Replies: 6
Views: 251
Posted By rv6ejguy
The switchable breakers would work. Alternative...

The switchable breakers would work.

Alternative is you could use two DPST switches, one for each CPi2 board.

One switch controlling Red and Purple power wires to "A" or Primary cpi2 board.

Second...
Forum: Reviews 12-11-2019, 08:01 AM
Replies: 13
Views: 785
Posted By rv6ejguy
Bought a lot of my avionics from him. Good price,...

Bought a lot of my avionics from him. Good price, service and workmanship.
Forum: RV-12/RV-12iS 12-10-2019, 06:26 PM
Replies: 48
Views: 10,488
Posted By rv6ejguy
SDS Update

Test running of the new Rotax system was delayed twice by scheduling conflicts with our two beta testers and finally winter set in here early which forced us to send the prototype bits down to our...
Forum: Fuel Injection Systems 12-10-2019, 05:27 PM
Replies: 12
Views: 535
Posted By rv6ejguy
Paul, do you have gold ECUs? If so, what version...

Paul, do you have gold ECUs? If so, what version of software do you have? Can read that in the bootup screen.
Forum: Fuel Injection Systems 12-08-2019, 04:47 PM
Replies: 82
Views: 18,148
Posted By rv6ejguy
Rev Limiting

I've heard of a few prop governor problems over the last year or so. In the case of over rev protection, SDS CPI, CPI-2 and EM-5 can all be set to limit maximum rpm. We recommend you set the limit to...
Forum: RV Friends Who Have Passed On 12-08-2019, 10:13 AM
Replies: 103
Views: 4,634
Posted By rv6ejguy
Sad for your loss Tom. I know it was tough on you...

Sad for your loss Tom. I know it was tough on you taking care of your wife and the business at the same time. You both showed your devotion and love by taking care of each other through this long...
Forum: Electrical Systems 12-07-2019, 03:49 PM
Replies: 140
Views: 12,890
Posted By rv6ejguy
Denso can't afford substandard parts quality to...

Denso can't afford substandard parts quality to save a few pennies by offshoring components. I'd guess that any plant they set up outside Japan would be supervised by Japanese and employ the same...
Forum: RV-6/6A 12-07-2019, 07:45 AM
Replies: 32
Views: 4,914
Posted By rv6ejguy
The 36AH ones are still really light which is the...

The 36AH ones are still really light which is the great thing about these.
Forum: Fuel Injection Systems 12-06-2019, 04:15 PM
Replies: 29
Views: 1,429
Posted By rv6ejguy
Kill injector or coil power or turn off the pump....

Kill injector or coil power or turn off the pump. No need to overthink any of this or add more electrical parts.
Forum: Electrical Systems 12-06-2019, 01:03 PM
Replies: 140
Views: 12,890
Posted By rv6ejguy
Good post George. I never knew Denso IR...

Good post George. I never knew Denso IR alternators had OV protection built in, only that I've never seen one OV in many years of owning them and wrenching on Toyota products for a living.
Forum: RV-6/6A 12-06-2019, 07:08 AM
Replies: 32
Views: 4,914
Posted By rv6ejguy
Interesting. I can do a quick test here on my...

Interesting. I can do a quick test here on my backup Shorai as the external charging wires are easily accessible. Will report my results.
Forum: RV-6/6A 12-05-2019, 07:36 PM
Replies: 32
Views: 4,914
Posted By rv6ejguy
The Odyssey batteries seemed magically light when...

The Odyssey batteries seemed magically light when I was building my plane about 20 years ago. Always happy with them and had good performance and life with them.

I was attracted to lithium batteries...
Forum: Fuel Injection Systems 12-05-2019, 06:19 PM
Replies: 93
Views: 16,293
Posted By rv6ejguy
Design1 Programmer

Barry has just been finishing the software to drive the new Design1 programmer features.

Several people had asked if the LOP feature could still be activated with an external switch so we made...
Forum: Fuel Injection Systems 12-05-2019, 02:05 PM
Replies: 82
Views: 18,148
Posted By rv6ejguy
December

We've received a lot of CPI-2 and EM-5 orders this week, so much so that we're fully booked on these items until the end of 2019. Thanks to the many folks here on VAF for their orders. We really do...
Forum: RV-6/6A 12-05-2019, 01:44 PM
Replies: 32
Views: 4,914
Posted By rv6ejguy
I test at annual each year pulling 10 amps out of...

I test at annual each year pulling 10 amps out of them for an hour and see what the voltage falls to.

I do believe that these may not do this test as well as the old 18 AH AGM batteries did but an...
Forum: RV-6/6A 12-05-2019, 09:07 AM
Replies: 32
Views: 4,914
Posted By rv6ejguy
Shorai's site is here:...

Shorai's site is here: https://shoraipower.com

They say 13.6 to 14.4 volts is ok for charging however, fully charged, they are at 14.4. They say to trickle charge if below 13.1V. You probably...
Forum: Fuel Injection Systems 12-05-2019, 08:58 AM
Replies: 29
Views: 1,429
Posted By rv6ejguy
The mixture knob will reduce the AFR by 50% so if...

The mixture knob will reduce the AFR by 50% so if idle is set up for about 13 to 1 at the normal 12 O'clock position, this should kill the engine too. Just don't forget the position when you try to...
Forum: Fuel Injection Systems 12-05-2019, 07:20 AM
Replies: 29
Views: 1,429
Posted By rv6ejguy
You can kill coil or injector power or shut off...

You can kill coil or injector power or shut off the pumps.
Forum: RV-6/6A 12-05-2019, 07:17 AM
Replies: 32
Views: 4,914
Posted By rv6ejguy
Most alternators charge at 14.2-14.4V. Hundreds...

Most alternators charge at 14.2-14.4V. Hundreds of thousands of motorcycles, ATVs and watercraft have been using Shorai lithium batteries now for something over a decade with standard charging...
Forum: RV General Discussion/News 12-04-2019, 07:20 PM
Replies: 52
Views: 12,470
Posted By rv6ejguy
CNC Machining

Thought people might be interested in seeing how our flywheels are made. Short video here: https://youtu.be/01yYvFnMe0k
Forum: RV-6/6A 12-04-2019, 05:40 PM
Replies: 32
Views: 4,914
Posted By rv6ejguy
Shorai says std VRs are generally fine and their...

Shorai says std VRs are generally fine and their literature has recommended voltage ranges which fall about in the middle of where mine sits at.

As with almost all Lithium batteries, they do caution...
Forum: RV-6/6A 12-03-2019, 12:47 PM
Replies: 32
Views: 4,914
Posted By rv6ejguy
I remove the negative if I'm working back there....

I remove the negative if I'm working back there. Haven't shorted a battery in about 40 years.
Forum: RV-6/6A 12-03-2019, 08:14 AM
Replies: 32
Views: 4,914
Posted By rv6ejguy
Battery Update

With the cooler weather here now, I was curious as to how the Shorai battery would crank the engine. My hangar in the winter sits around 6-8C most of the time, so not really cold.

The Shorai still...
Forum: Fuel Injection Systems 12-02-2019, 08:38 PM
Replies: 82
Views: 18,148
Posted By rv6ejguy
Lean Warning Settings

Something that has cropped up a few times recently that has confused some aviation customers using wideband O2 sensors hooked to the grey wire for AFR display into the programmer- When they are...
Forum: Fuel Injection Systems 11-29-2019, 09:13 PM
Replies: 82
Views: 18,148
Posted By rv6ejguy
Thanks guys. We're in the middle of new...

Thanks guys. We're in the middle of new production runs on CPI and EM-5 boards at the moment. Need to get those in process here as they take 3-4 weeks to get loaded and baked usually and that will be...
Forum: Fuel Injection Systems 11-29-2019, 09:39 AM
Replies: 82
Views: 18,148
Posted By rv6ejguy
2000th Aviation EFI ECU!

Today was a big milestone for us. We shipped our 2000th aviation EFI ECU to a customer already flying with a CPI on his Conti 520. His dual EM-5 is pictured...
Forum: Electronic Ignition Systems 11-28-2019, 04:07 PM
Replies: 316
Views: 60,758
Posted By rv6ejguy
Good Speeds on an RV-8

Kevin Taylor was kind enough to send us a number of photos of his dual CPI-2 install on his RV-8.

https://live.staticflickr.com/65535/49139040201_8856c83bc2_z.jpg (https://flic.kr/p/2hSfqF4)

This...
Forum: Traditional Aircraft Engines 11-27-2019, 08:58 AM
Replies: 12
Views: 995
Posted By rv6ejguy
I was referring mainly to 3rd party engine...

I was referring mainly to 3rd party engine builders.

I think there is tremendous weight of evidence both from the R3350 engines used in airline service in the '50s and '60s and in the last decade or...
Forum: Traditional Aircraft Engines 11-27-2019, 07:02 AM
Replies: 12
Views: 995
Posted By rv6ejguy
The flight was really an exercise to learn what...

The flight was really an exercise to learn what the FF differences would be at similar power settings ROP vs. LOP. One of my engineer customers posed the question on YT from the previous...
Forum: Fuel Injection Systems 11-26-2019, 07:58 PM
Replies: 93
Views: 16,293
Posted By rv6ejguy
Design1 Programmer Boxes Machined

Just picked these up from the machine shop this afternoon: https://youtu.be/tv6NQlY-MW4

Face plates off to anodizing tomorrow.
Forum: Traditional Aircraft Engines 11-26-2019, 06:05 PM
Replies: 12
Views: 995
Posted By rv6ejguy
Though I've doubted the accuracy of EFIS'...

Though I've doubted the accuracy of EFIS' displayed % power years before we did these flights, I wanted to do some flight testing to see for myself.

After these flights, I agree with you and said as...
Forum: Traditional Aircraft Engines 11-26-2019, 01:17 PM
Replies: 12
Views: 995
Posted By rv6ejguy
I know waiting for it to break in can be a bit...

I know waiting for it to break in can be a bit tedious but is will be worth it. Les' RV-10 is awesome.
Forum: Traditional Aircraft Engines 11-26-2019, 01:13 PM
Replies: 12
Views: 995
Posted By rv6ejguy
I believe Les is running about 28-30 degrees BTDC...

I believe Les is running about 28-30 degrees BTDC when LOP. He's still tweaking and experimenting with some settings.

Next time I think we'll either set the same FF and look at TAS or same TAS and...
Forum: Traditional Aircraft Engines 11-25-2019, 09:59 PM
Replies: 12
Views: 995
Posted By rv6ejguy
RV-10 LOP vs. ROP Flight Testing

I posted a video a few weeks ago exploring this a bit.

Last week we went up again after a customer posted an observation that fuel flows would be close to the same at the same power setting ROP. His...
Forum: Trip Write-ups 11-25-2019, 06:01 PM
Replies: 7
Views: 737
Posted By rv6ejguy
Nice to see you posting again Troy. Gavin did a...

Nice to see you posting again Troy. Gavin did a good job putting the vid together too.
Forum: Electrical Systems 11-24-2019, 05:43 PM
Replies: 140
Views: 12,890
Posted By rv6ejguy
Agree. From the reports I've seen on VAF about...

Agree.

From the reports I've seen on VAF about failures on various brands of regulators and alternators, most seem to be due to poor construction leading to mechanical breakages of hard wires and...
Forum: Electrical Systems 11-23-2019, 04:45 PM
Replies: 140
Views: 12,890
Posted By rv6ejguy
We've recommended an automatic voltage limiting...

We've recommended an automatic voltage limiting system in aircraft when using our EFI systems for a while now, it's certainly a good idea.

We've sold over 10,000 controllers now, 2000 have been...
Forum: Electrical Systems 11-23-2019, 10:19 AM
Replies: 140
Views: 12,890
Posted By rv6ejguy
George makes some great points in his post above....

George makes some great points in his post above. I too, am not really a fan of many of Bob Nuckolls' ideas and people often ask us to comment on such and such circuit or schematic based on Bob's...
Forum: Electrical Systems 11-23-2019, 10:07 AM
Replies: 140
Views: 12,890
Posted By rv6ejguy
I've listed genuine ND sources in the US before...

I've listed genuine ND sources in the US before in these threads and just recently here, an ND source link searchable by state.

My point has always been to use new genuine ND alternators or ones...
Forum: Alternative Engines 11-22-2019, 07:26 PM
Replies: 8
Views: 773
Posted By rv6ejguy
If you're an engine/ mechanical type guy and the...

If you're an engine/ mechanical type guy and the plane is cheap, it might be worth a look. If you're not, I'd steer clear unless it really is cheap and you'd be prepared to swap the Sube out for a...
Forum: RV General Discussion/News 11-22-2019, 09:45 AM
Replies: 62
Views: 4,764
Posted By rv6ejguy
Great post Dan. That succinctly sums up my...

Great post Dan. That succinctly sums up my experiences and views pretty well on this subject too.
Forum: Alternative Engines 11-22-2019, 09:41 AM
Replies: 462
Views: 68,898
Posted By rv6ejguy
I thought the same thing. Also if you damage a...

I thought the same thing. Also if you damage a piston which can be common with cast ones, you can lose all the oil quickly out the dipstick tube which could be an issue getting it down safely with...
Forum: Alternative Engines 11-21-2019, 07:17 AM
Replies: 462
Views: 68,898
Posted By rv6ejguy
Good to test and have some numbers. I'd say you...

Good to test and have some numbers. I'd say you have very good ring sealing on your engine. Continue on!
Forum: Electrical Systems 11-21-2019, 07:13 AM
Replies: 140
Views: 12,890
Posted By rv6ejguy
While there seems to be widespread acceptance of...

While there seems to be widespread acceptance of using external regulators here on VAF, I'm going to stay with my genuine Denso IR alternator given that they haven't used external regs for about 3...
Forum: Glass Cockpit 11-20-2019, 08:59 PM
Replies: 6
Views: 396
Posted By rv6ejguy
Ok, thanks, they call it Estimated Power. I...

Ok, thanks, they call it Estimated Power. I didn't search that term in the manual. I don't see baro taken into account here but perhaps they do. I wonder how fuel flow is worked into the equation...
Forum: Glass Cockpit 11-20-2019, 06:54 PM
Replies: 6
Views: 396
Posted By rv6ejguy
I don't own one but was up test flying in a -10...

I don't own one but was up test flying in a -10 today and didn't see repeatable results with TAS, and the same indicated % power at WOT LOP and part throttle ROP, same MAP, same RPM, same altitude....
Forum: Glass Cockpit 11-20-2019, 06:29 PM
Replies: 6
Views: 396
Posted By rv6ejguy
G3 Percent Power

Does anyone know what parameters Garmin uses to calculate % power? I've searched the manuals and relevant posts here on VAF. Didn't find much info on that aspect.

More specifically, I'm wondering if...
Forum: RV General Discussion/News 11-20-2019, 05:29 PM
Replies: 62
Views: 4,764
Posted By rv6ejguy
Search Dave Anders here. He's got one of the...

Search Dave Anders here. He's got one of the fastest naturally aspirated RVs around. Lots of aero and engine mods to get there.

As some of the thread photos have gone MIA, you can see some info and...
Forum: RV General Discussion/News 11-20-2019, 05:27 PM
Replies: 62
Views: 4,764
Posted By rv6ejguy
Paddy posted accurate answers to your first...

Paddy posted accurate answers to your first questions here about closed throttle turbo operation.

Roush, TRD, Electramotive (Nissan), Porsche, Audi all had winning turbo cars running in Trans Am and...
Forum: Alternative Engines 11-20-2019, 06:56 AM
Replies: 462
Views: 68,898
Posted By rv6ejguy
If these are the only crankcase vent lines, I'd...

If these are the only crankcase vent lines, I'd suggest upping the size considerably. Minimum I'd run on a turbo engine would be a single 1/2" ID.

If you've ever seen a turbo engine on the dyno at...
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