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Search: Posts Made By: rv6ejguy
Forum: Alternative Engines Yesterday, 07:17 AM
Replies: 456
Views: 66,722
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: RV-7/7A Yesterday, 07:13 AM
Replies: 114
Views: 9,897
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: 238
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: 238
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: 238
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: 59
Views: 3,416
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: 59
Views: 3,416
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: 456
Views: 66,722
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...
Forum: RV General Discussion/News 11-20-2019, 06:50 AM
Replies: 59
Views: 3,416
Posted By rv6ejguy
Hp is the determining factor in quantifying...

Hp is the determining factor in quantifying aircraft performance however. The extra 60 hp will be noticeable in climb performance mainly. Only worth a few percent in top speed.
Forum: RV General Discussion/News 11-19-2019, 08:20 PM
Replies: 59
Views: 3,416
Posted By rv6ejguy
I've built turbocharged road race, street and...

I've built turbocharged road race, street and aircraft engines professionally for 40 years. Never used a blow off valve on one of them and never had a turbo failure on one of them either. None of the...
Forum: RV General Discussion/News 11-18-2019, 09:20 PM
Replies: 59
Views: 3,416
Posted By rv6ejguy
There are a number of turboed Lycomings and...

There are a number of turboed Lycomings and Contis, mostly on Reno racers running crazy levels of boost.

Turbos can be rigidly mounted to the exhaust ports with very thick tubing but watch the...
Forum: RV-7/7A 11-16-2019, 05:34 PM
Replies: 114
Views: 9,897
Posted By rv6ejguy
True, but poor quality parts will fail...

True, but poor quality parts will fail prematurely no matter who assembles them. I've seen enough "offshore made" junk bearings installed on many devices fail in 1/100th the normal lifespan of...
Forum: RV-7/7A 11-16-2019, 10:41 AM
Replies: 114
Views: 9,897
Posted By rv6ejguy
Good to know. Is the the case on current build...

Good to know. Is the the case on current build alternators? Can you trace how far back this is the case? We have seen several reports here where bearings were on their way out in less than 100 hours....
Forum: RV-7/7A 11-16-2019, 08:41 AM
Replies: 114
Views: 9,897
Posted By rv6ejguy
Apparently quite a number of clone alternators do...

Apparently quite a number of clone alternators do suffer premature bearing failure as a result of installing **** bearings during manufacture or rebuild.

From looking at test charts, your average ND...
Forum: Electronic Ignition Systems 11-15-2019, 11:54 AM
Replies: 15
Views: 1,427
Posted By rv6ejguy
This is active at low rpm below the idle speed...

This is active at low rpm below the idle speed zone. The default is 15 degrees of retard and you can add more to that in the dedicated Crank Retard window. Want more, just press the + button while in...
Forum: Electronic Ignition Systems 11-15-2019, 07:59 AM
Replies: 15
Views: 1,427
Posted By rv6ejguy
Yup. Most other EI companies offer you canned or...

Yup.

Most other EI companies offer you canned or secret timing curves which may not be suited to your engine, especially if you've got higher CR pistons installed or operate on Mogas.

We also get...
Forum: Fuel Injection Systems 11-14-2019, 08:14 AM
Replies: 138
Views: 30,882
Posted By rv6ejguy
I looked at a couple of 2 piece designs to make...

I looked at a couple of 2 piece designs to make this happen, but they just are not rigid enough to work properly IMO.
Forum: Electronic Ignition Systems 11-14-2019, 08:11 AM
Replies: 15
Views: 1,427
Posted By rv6ejguy
It's also fully user programmable in 1 degree...

It's also fully user programmable in 1 degree increments so you can have exactly what you want for a timing curve. We have the easy LOP advance button too which can gain back a few knots.
Forum: Fuel Injection Systems 11-13-2019, 08:07 PM
Replies: 138
Views: 30,882
Posted By rv6ejguy
Got a whole herd of gold and red flanges back...

Got a whole herd of gold and red flanges back from the anodizer yesterday if folks want to fix this problem once and for all during annual.
Forum: Fuel Injection Systems 11-13-2019, 07:47 PM
Replies: 8
Views: 2,871
Posted By rv6ejguy
Update

It's taken a while for Ralph Inkster to get this project done. His time is always in great demand doing work on many customer RVs and helping with EAA training projects.

We had a spot of good...
Forum: Electronic Ignition Systems 11-13-2019, 12:46 PM
Replies: 15
Views: 1,427
Posted By rv6ejguy
Thanks for the kind words Ryan and glad you're...

Thanks for the kind words Ryan and glad you're liking the system.

Your early Gen 2 installation was a real challenge after several other smooth Gen 1 installations. It did allow us to learn a...
Forum: Electronic Ignition Systems 11-12-2019, 07:10 AM
Replies: 5
Views: 277
Posted By rv6ejguy
Check the minimum trigger voltage on the EFIS for...

Check the minimum trigger voltage on the EFIS for the tach pin you're using. The 5V could be too low to give an accurate reading.
Forum: Electronic Ignition Systems 11-12-2019, 07:07 AM
Replies: 5
Views: 277
Posted By rv6ejguy
4 cylinder systems will deliver 2 pulses per...

4 cylinder systems will deliver 2 pulses per crank rev.
Forum: Electronic Ignition Systems 11-11-2019, 09:28 PM
Replies: 5
Views: 277
Posted By rv6ejguy
3 pulses per crank rev. You can have a 5V signal...

3 pulses per crank rev. You can have a 5V signal from pin 12 (green wire) or 12V signal from pin 22 (yellow wire).
Forum: Electrical Systems 11-08-2019, 07:15 AM
Replies: 10
Views: 855
Posted By rv6ejguy
Not sure what era you're talking about here but I...

Not sure what era you're talking about here but I don't see this on any of my Denso, Hitachi or Bosch equipped alternators circa 1990-2010.
Forum: Glass Cockpit 11-06-2019, 04:39 PM
Replies: 35
Views: 7,930
Posted By rv6ejguy
Cool stuff Vern!

Cool stuff Vern!
Forum: RV-10 11-05-2019, 10:27 PM
Replies: 8
Views: 588
Posted By rv6ejguy
Congrats Tim!

Congrats Tim!
Forum: Alternative Engines 11-05-2019, 11:45 AM
Replies: 456
Views: 66,722
Posted By rv6ejguy
All look reasonable here. I'd expect you should...

All look reasonable here. I'd expect you should be able to make 40 inches at 4000 rpm easily
Forum: Alternative Engines 11-05-2019, 10:19 AM
Replies: 456
Views: 66,722
Posted By rv6ejguy
My bad choice of terms here. You are correct.

My bad choice of terms here. You are correct.
Forum: Alternative Engines 11-05-2019, 06:59 AM
Replies: 456
Views: 66,722
Posted By rv6ejguy
What turbine wheel and housing are you...

What turbine wheel and housing are you running?

The prop won't be stalled once you're moving so you can expect quite a bit more rpm in flight. You're likely to find the FP prop won't be the best...
Forum: Fuel Injection Systems 11-04-2019, 06:53 PM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Progress

Design1 PCB files have gone to the PCB manufacturer this morning.

We are tweaking 2 small items on the enclosure and that should go to machining late this week for production parts.

Have a big box...
Forum: Fuel Injection Systems 11-04-2019, 06:48 PM
Replies: 74
Views: 16,500
Posted By rv6ejguy
Magnet Position Values

In case this was missed on our website:

"We've eliminated the need to set Magnet Position with a timing light on Lycoming engines. For engine using the dual pickup, set Primary ECU Magnet Position...
Forum: Electronic Ignition Systems 11-04-2019, 06:45 PM
Replies: 315
Views: 59,653
Posted By rv6ejguy
Magnet Position Values

In case this was missed on our website I thought I'd post it here:

"We've eliminated the need to set Magnet Position with a timing light on Lycoming engines. For engine using the dual pickup, set A...
Forum: Alternative Engines 11-04-2019, 02:26 PM
Replies: 456
Views: 66,722
Posted By rv6ejguy
Prop blades could be partially stalled during the...

Prop blades could be partially stalled during the static run. Seen this many times on test stands so clubs are preferable.
Forum: RV Ongoing Maintenance Issues 11-04-2019, 08:11 AM
Replies: 46
Views: 3,699
Posted By rv6ejguy
I ran some actual numbers here. Average drive...

I ran some actual numbers here.

Average drive ratio is about 3.9 to 1. Using an alternator test graph I have on my 70 amp ND alternator, it generates 51 amps at 2500 rotor rpm (641 engine rpm)....
Forum: RV General Discussion/News 11-04-2019, 07:09 AM
Replies: 38
Views: 2,615
Posted By rv6ejguy
Can't have a kickback firing ATDC so we know it's...

Can't have a kickback firing ATDC so we know it's not.
Forum: Fuel Injection Systems 11-03-2019, 10:55 AM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Spinoff Tech

I had a thought last night that perhaps the Design1 could be re-purposed with a new keypad for the CPI-2. This should only involve the cost of a new keypad which would only be a graphics...
Forum: Fuel Injection Systems 11-02-2019, 10:27 PM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Not for some time, if ever. We made the CPI-2 one...

Not for some time, if ever. We made the CPI-2 one as small as possible and given the lower numbers sold plus time and cost to design and manufacture a second shape, it wouldn't make sense for us at...
Forum: Alternative Engines 11-02-2019, 10:41 AM
Replies: 456
Views: 66,722
Posted By rv6ejguy
Yup this is super important. Trapped air in the...

Yup this is super important. Trapped air in the system is the #1 cause of overheating issues on liquid cooled conversions that I'v seen and helped people with.

My suggesting to avoid the long...
Forum: RV Friends Who Have Passed On 11-02-2019, 10:33 AM
Replies: 17
Views: 1,962
Posted By rv6ejguy
Very sad to hear. David was a truly nice guy and...

Very sad to hear. David was a truly nice guy and loved airplanes his whole life. He'd flown F-86s and KC-97s (and probably many other types I don't know about). From the same time as my father who...
Forum: RV Ongoing Maintenance Issues 11-01-2019, 09:40 PM
Replies: 46
Views: 3,699
Posted By rv6ejguy
Likely the brushes finally wore down to a nub,...

Likely the brushes finally wore down to a nub, tilted in the holder and you heard the "ping" as the wires snapped off them as the parts got carried through the spinning rotor.

This is the most...
Forum: RV Ongoing Maintenance Issues 11-01-2019, 07:19 PM
Replies: 46
Views: 3,699
Posted By rv6ejguy
A few points. If your engine is in proper tune,...

A few points. If your engine is in proper tune, you shouldn't have to turn it over for more than 5 seconds. This takes very little out of the battery and therefore won't result in very high charge...
Forum: RV General Discussion/News 11-01-2019, 10:38 AM
Replies: 50
Views: 9,033
Posted By rv6ejguy
Um, no. Many things not stock.

Um, no. Many things not stock.
Forum: Fuel Injection Systems 11-01-2019, 09:47 AM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Design1 Programmer Panel Template

We have dimensions now for the Design1 panel cutout posted on our Aircraft Page for those who've been waiting (about 3/4 of the way down the page). I can also email that info if desired.
Forum: RV General Discussion/News 11-01-2019, 09:41 AM
Replies: 38
Views: 2,615
Posted By rv6ejguy
Agree with Dan. The safest bet is to fire ATDC....

Agree with Dan. The safest bet is to fire ATDC. Digital EI timing accuracy during cranking may not be so accurate depending on prop inertia, sensor sampling rate, software and how the battery/starter...
Forum: RV General Discussion/News 10-31-2019, 06:46 PM
Replies: 10
Views: 2,496
Posted By rv6ejguy
My Fav

We use a US designed thermal imaging camera to look at circuit board hot spots during the prototype phase and it's useful for other things aircraft thermal related as well- heat exchanger flow,...
Forum: RV General Discussion/News 10-31-2019, 06:30 PM
Replies: 10
Views: 2,496
Posted By rv6ejguy
Oh oh. I have NGK plugs and an ACS throttle cable...

Oh oh. I have NGK plugs and an ACS throttle cable in my RV...:rolleyes:
Forum: Alternative Engines 10-31-2019, 10:18 AM
Replies: 42
Views: 14,864
Posted By rv6ejguy
$90K is the asking price now? Sorry $89.9K...:eek:

$90K is the asking price now? Sorry $89.9K...:eek:
Forum: RV Ongoing Maintenance Issues 10-30-2019, 03:22 PM
Replies: 46
Views: 3,699
Posted By rv6ejguy
While Denso clones may look alike externally and...

While Denso clones may look alike externally and even internally, they are not in fact Denso as has been pointed out in these discussions before.

Ever wonder why brands like Toyota generally use...
Forum: RV General Discussion/News 10-30-2019, 09:46 AM
Replies: 38
Views: 2,615
Posted By rv6ejguy
Upstanding of the vendor to do that.

Upstanding of the vendor to do that.
Forum: RV General Discussion/News 10-30-2019, 08:48 AM
Replies: 38
Views: 2,615
Posted By rv6ejguy
10V under starter load is a good number so that...

10V under starter load is a good number so that is not the issue. The only way you can get kickbacks is if ignition happens too far BTDC.
Forum: RV General Discussion/News 10-30-2019, 07:21 AM
Replies: 38
Views: 2,615
Posted By rv6ejguy
We get comments pretty frequently about kickbacks...

We get comments pretty frequently about kickbacks with a couple of popular EI brands. Assuming you have the EI set as per manufacturer's instructions, a good battery and starter to swing the prop...
Forum: Electronic Ignition Systems 10-29-2019, 12:43 PM
Replies: 315
Views: 59,653
Posted By rv6ejguy
We've got a number of CPI-2s flying now with more...

We've got a number of CPI-2s flying now with more coming soon. We encountered 2 installations where there seemed to be incredible amounts of electrical noise in the airplanes and this was often...
Forum: RV General Discussion/News 10-28-2019, 08:17 PM
Replies: 22
Views: 1,445
Posted By rv6ejguy
Enjoy this break from the business with your...

Enjoy this break from the business with your wife. You've both been through a lot. Here is hoping the future is long and bright for both of you and your business.
Forum: Electronic Ignition Systems 10-28-2019, 04:39 PM
Replies: 11
Views: 615
Posted By rv6ejguy
Many auto OEMs have the ECM under the hood over...

Many auto OEMs have the ECM under the hood over the last decade. Reliability doesn't seem to be an issue in my experience on the better brands. Electronics are much more robust post 2010ish than they...
Forum: Fuel Injection Systems 10-28-2019, 11:47 AM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Thanks for the feedback. I expect that external...

Thanks for the feedback. I expect that external output will remain for this purpose.
Forum: Fuel Injection Systems 10-28-2019, 09:16 AM
Replies: 88
Views: 15,052
Posted By rv6ejguy
The closed loop option will eliminate a lot of...

The closed loop option will eliminate a lot of the tuning time required but can only be reasonably implemented using unleaded fuels in our opinion, given the demonstrated variability on the ...
Forum: Fuel Injection Systems 10-27-2019, 07:06 PM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Thanks Mike.

Thanks Mike.
Forum: Fuel Injection Systems 10-27-2019, 11:21 AM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Display Pic

https://live.staticflickr.com/65535/48968583566_caea557093_z.jpg (https://flic.kr/p/2hBbMRy)

Here is a photo of the prototype display/ keypad/ front bezel for the Design1 programmer. The LEDs, color...
Forum: Propellers 10-26-2019, 02:54 PM
Replies: 42
Views: 12,239
Posted By rv6ejguy
Yup, that is a nice looking prop on a nice...

Yup, that is a nice looking prop on a nice looking RV...
Forum: Fuel Injection Systems 10-26-2019, 12:36 PM
Replies: 88
Views: 15,052
Posted By rv6ejguy
Design1 Programmer

We got a revised face plate back from the machine shop on Friday afternoon and did some test fitting to the prototype PCB. Everything is looking good so...
Forum: RV General Discussion/News 10-23-2019, 12:41 PM
Replies: 19
Views: 1,685
Posted By rv6ejguy
SDS Intake Flange Kits

http://www.sdsefi.com/sdsaero.htm

I added a photo link just now to the Aircraft page for these as well to make them easier to find. Only red left at this time, more to be machined late next week.
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