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Search: Posts Made By: Toobuilder
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-30-2020, 10:03 AM
Replies: 1
Views: 575
Posted By Toobuilder
Sold - pending payment.

Sold - pending payment.
Forum: Electronic Ignition Systems 05-30-2020, 07:45 AM
Replies: 98
Views: 9,110
Posted By Toobuilder
This is a misconception brought about by the...

This is a misconception brought about by the canned timing curves of the early EI's. Remember, the goal is to make peak cylinder pressure at the optimum crank angle. That DOES NOT mean the two...
Forum: RV-9/9A 05-28-2020, 10:07 PM
Replies: 85
Views: 8,484
Posted By Toobuilder
Earl - I do flight test for a living. I've been...

Earl - I do flight test for a living. I've been a FTE, a TD, and an Air Vehicle Manger. I'd say you need to do a "safety stand down" and figure out a few things before you fly again. First off,...
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-28-2020, 03:27 PM
Replies: 1
Views: 575
Posted By Toobuilder
SOLD Dual Pmag Setup - Fresh IRAN

Dual 113 Pmags fresh from Emagair IRAN service, complete with factory Lycoming drive gears, hold down clamps and gently used wires. Add plugs and go. Both units 325 hours TTSN. $2400 for the pair...
Forum: Electronic Ignition Systems 05-24-2020, 11:59 AM
Replies: 5
Views: 1,003
Posted By Toobuilder
I just removed the Pmags from the RV-8 and went...

I just removed the Pmags from the RV-8 and went with SDS CPI. Not sure what EFII uses for coils, but if its similar to the 4 output "brick style", that SDS uses, then my install should be relevant. ...
Forum: RV General Discussion/News 05-23-2020, 07:35 PM
Replies: 26
Views: 1,484
Posted By Toobuilder
Hyperbole aside, the cabin heat system most...

Hyperbole aside, the cabin heat system most certainly does bleed off cooling capacity. Even when "turned off", the typical heat muff still ports a significant volume of otherwise valuable cooling...
Forum: Traditional Aircraft Engines 05-23-2020, 03:33 PM
Replies: 80
Views: 22,586
Posted By Toobuilder
These are metal to metal (no gasket to crush), so...

These are metal to metal (no gasket to crush), so standard torque for the 1/4-20 fasteners is fine. Look up the table in 43.13 or a million other standards manuals.
Forum: RV General Discussion/News 05-23-2020, 10:22 AM
Replies: 26
Views: 1,484
Posted By Toobuilder
Also based on my motorcycle experience, I've seen...

Also based on my motorcycle experience, I've seen that if you can keep your core warm (vest), it makes the rest of the body relatively easy to manage. I also have heated insoles, but have never used...
Forum: RV General Discussion/News 05-22-2020, 09:26 PM
Replies: 26
Views: 1,484
Posted By Toobuilder
Survey does not accommodate my situation. No...

Survey does not accommodate my situation. No vote. I removed forced air cabin heat completely so that I can focus on engine cooling. My cabin heat is an electric vest that I plug into the...
Forum: ADS-B 05-19-2020, 08:59 PM
Replies: 18
Views: 751
Posted By Toobuilder
I understood the MUX cable was provided if...

I understood the MUX cable was provided if requested (at no charge). Looking at the UAvionix site this item is $75 bucks. What gives?

I tried to hard wire my Echo into my system but I cant seem to...
Forum: RV General Discussion/News 05-17-2020, 09:33 AM
Replies: 13
Views: 3,168
Posted By Toobuilder
Something I've been doing is use an appropriate...

Something I've been doing is use an appropriate sized adel camp without the cushion. Clamp it up nice and tight around the cable with a bolt/nut, vice grips or vice, then use a dull flat screwdriver...
Forum: Traditional Aircraft Engines 05-17-2020, 08:48 AM
Replies: 9
Views: 707
Posted By Toobuilder
Nope. And those usually die long before the...

Nope. And those usually die long before the hoses do. This is the condition the SDS kit solves.
Forum: Traditional Aircraft Engines 05-16-2020, 05:28 PM
Replies: 9
Views: 909
Posted By Toobuilder
Might look at the military track record of the...

Might look at the military track record of the SDS EFI systems as "compelling evidence" in your favor too.
Forum: Traditional Aircraft Engines 05-16-2020, 01:27 PM
Replies: 14
Views: 1,045
Posted By Toobuilder
This 331 (641 Lb/ft) figure was recorded at the...

This 331 (641 Lb/ft) figure was recorded at the 76 second mark on pull #14. RPM is shown as 2714, FF = 24.3, MP = 29.49.

Induction system is stock updraft with a 1.25 inch spacer/adapter and a...
Forum: Traditional Aircraft Engines 05-15-2020, 10:55 PM
Replies: 14
Views: 1,045
Posted By Toobuilder
My 337 hour (since new) 260 HP 540-D4A5 made...

My 337 hour (since new) 260 HP 540-D4A5 made 331HP on the dyno after a Ly-Con rebuild last week. SDS EFI and Ly-Cons CNC porting are the only changes to the engine. Take it for what it's worth.
Forum: Electrical Systems 05-13-2020, 01:40 PM
Replies: 14
Views: 1,266
Posted By Toobuilder
Digikey has a million different versions. I buy...

Digikey has a million different versions. I buy them by the dozens and just use them all over the place when needed. Even the tiny little push in versions (#30 hole) are plenty bright in daylight...
Forum: Electronic Ignition Systems 05-13-2020, 07:38 AM
Replies: 43
Views: 3,244
Posted By Toobuilder
Thanks gentlemen for your input. And while I...

Thanks gentlemen for your input. And while I completely agree with the general consensus that many people and some EI manufacturers load too much advance into their canned curves, I stand by my...
Forum: Electronic Ignition Systems 05-12-2020, 06:31 PM
Replies: 43
Views: 3,244
Posted By Toobuilder
More data The numbers in the OP were a subset of...

More data

The numbers in the OP were a subset of the full dyno printout and provided in an email with the premise that the particular run was pretty rich, and when leaned to best power it would make...
Forum: Electronic Ignition Systems 05-09-2020, 08:55 PM
Replies: 43
Views: 3,244
Posted By Toobuilder
540 inches of SDS/Ly-Con...

540 inches of SDS/Ly-Con AWESOMENESS!

https://www.homebuiltairplanes.com/forums/attachments/540-jpg.96485/
Forum: Electronic Ignition Systems 05-08-2020, 03:03 PM
Replies: 43
Views: 3,244
Posted By Toobuilder
Hold on Larry - Ross' 32 degrees is for a turbo...

Hold on Larry - Ross' 32 degrees is for a turbo Subaru. Whole different animal!

This thread is dealing with validation of a long suspected timing insensitivity at full rich, 100% power conditions...
Forum: Electronic Ignition Systems 05-08-2020, 08:31 AM
Replies: 43
Views: 3,244
Posted By Toobuilder
I would have done it but the engine is off the...

I would have done it but the engine is off the dyno now and ready to pick up. I guess we'll have to wait until the next person from this forum with programmable ignition or EFI has Ly-Con build them...
Forum: Electronic Ignition Systems 05-08-2020, 07:26 AM
Replies: 43
Views: 3,244
Posted By Toobuilder
I have not run a drop of mogas through this...

I have not run a drop of mogas through this engine yet. The governor blew up before I even broke the rings in last time. However, it is my intent to gradually flight test my way down to running...
Forum: Electronic Ignition Systems 05-08-2020, 03:03 AM
Replies: 43
Views: 3,244
Posted By Toobuilder
Yep. That's why I posted the disclaimer in the...

Yep. That's why I posted the disclaimer in the initial post. Even if we took Ly-Cons advertising claims of 5 HP per cylinder for the CNC porting at face value, that still only accounts for half of...
Forum: Electronic Ignition Systems 05-08-2020, 02:53 AM
Replies: 43
Views: 3,244
Posted By Toobuilder
In the case of a car with a knock sensor, the...

In the case of a car with a knock sensor, the higher octane fuel will sometimes make more power. But it's not the fuel that does it. As you say, it's the detonation resistance that allows more...
Forum: Electronic Ignition Systems 05-07-2020, 04:59 PM
Replies: 43
Views: 3,244
Posted By Toobuilder
Bill, they went all the way to 29 but it was...

Bill, they went all the way to 29 but it was really falling on it's face and hot by then. 26 was almost flat, but already starting downhill.
Forum: Electronic Ignition Systems 05-07-2020, 01:32 PM
Replies: 43
Views: 3,244
Posted By Toobuilder
Yes, this was 100LL. I did not have the...

Yes, this was 100LL. I did not have the opportunity to try mogas.

But Bob, what numbers do you think will change, peak power, peak timing, or timing insensitivity?
Forum: Electronic Ignition Systems 05-07-2020, 10:53 AM
Replies: 43
Views: 3,244
Posted By Toobuilder
Timing Sweep On A Dyno - Interesting Numbers

Some may know about my governor failure and major prop overspeed on my Rocket last year. Well, the mess is nearing resolution and a significant milestone was reached yesterday when the rebuilt...
Forum: RV-10 05-04-2020, 07:54 AM
Replies: 60
Views: 5,592
Posted By Toobuilder
Wow! That's a lot of fuel. I have the same...

Wow! That's a lot of fuel. I have the same sensor in my airplane but it's on the cold side of the firewall. Might have to re think that one.

Sure would like to see what the root cause of this...
Forum: RV Building Tips/Techniques 05-01-2020, 06:40 AM
Replies: 9
Views: 976
Posted By Toobuilder
I've had similar thoughts but was going to use...

I've had similar thoughts but was going to use two- essentially to replace the float switch with a rougher, but more reliable "green/yellow/red" status to provide the "truth" info so I could compare...
Forum: Traditional Aircraft Engines 04-27-2020, 05:00 PM
Replies: 42
Views: 7,342
Posted By Toobuilder
In this context, lower MP/ higher altitude...

In this context, lower MP/ higher altitude advances the timing compared to a fixed magneto. So yes, "advanced timing" means exactly that - the plug is firing earlier in the piston stroke/crank...
Forum: RV General Discussion/News 04-26-2020, 09:11 AM
Replies: 41
Views: 3,952
Posted By Toobuilder
7000 series aluminum is a special corrosion case...

7000 series aluminum is a special corrosion case on its own merit. Fortunately, it's use is rare in our world.

That said, I wholeheartedly agree that the environmental factors are an important...
Forum: RV General Discussion/News 04-25-2020, 05:03 PM
Replies: 41
Views: 3,952
Posted By Toobuilder
Thought I'd follow up on the running comments...

Thought I'd follow up on the running comments regarding the "incompatibility" of aluminum B nuts and tube sleeves on SS tube. Since the cowl is off the RV -8 for an ignition upgrade and the SS line...
Forum: RV-4 04-19-2020, 06:31 PM
Replies: 31
Views: 3,423
Posted By Toobuilder
My neighbor had a -4 that was equipped with a...

My neighbor had a -4 that was equipped with a nosewheel. The builder made it as a TD, but later added the Grove mains and a nose gear socket so his wife could fly it. It spent a good amount of time...
Forum: RV General Discussion/News 04-19-2020, 09:57 AM
Replies: 41
Views: 3,952
Posted By Toobuilder
Not sure why this subject always goes down this...

Not sure why this subject always goes down this same path. Hard lines are the aviation standard, and anyone who has been inside the guts of an airplane and/or employed by a major aerospace company...
Forum: RV-12/RV-12iS 04-18-2020, 08:07 AM
Replies: 18
Views: 2,135
Posted By Toobuilder
Note to self: Scratch New Zealand off the list of...

Note to self: Scratch New Zealand off the list of possible retirement locations...

To the OP: you are part of the essential transportation infrastructure - you have a RESPONSIBILITY to maintain your...
Forum: RV General Discussion/News 04-17-2020, 02:15 PM
Replies: 41
Views: 3,952
Posted By Toobuilder
Yes, you need hose to get from the ship to the...

Yes, you need hose to get from the ship to the engine, no way around that, but when paying by the inch, shorter is better. My solution was to call Tom and order a pair of 11 inch hoses which went...
Forum: RV General Discussion/News 04-17-2020, 01:24 PM
Replies: 41
Views: 3,952
Posted By Toobuilder
Skylor - I'm not an materials engineer so I'm not...

Skylor - I'm not an materials engineer so I'm not going to offer an opinion concerning the "cause" of the corrosion you speak of. All I can stand on is my experience in big aerospace and the process...
Forum: RV General Discussion/News 04-17-2020, 01:03 PM
Replies: 41
Views: 3,952
Posted By Toobuilder
The SS tube I use (Spruce) takes more effort to...

The SS tube I use (Spruce) takes more effort to bend, but unless the tools are really sketchy, they should work fine. A bit of lubrication on the sliding shoe goes a long way to reducing the effort....
Forum: RV-4 04-17-2020, 10:43 AM
Replies: 16
Views: 1,750
Posted By Toobuilder
Yes, to allow the handle to rotate through 180...

Yes, to allow the handle to rotate through 180 degrees. A fork on the front rod won't work (double shear).

I changed the front rod to steel so I could weld in a threaded stud for the rod end and...
Forum: RV General Discussion/News 04-17-2020, 10:31 AM
Replies: 41
Views: 3,952
Posted By Toobuilder
There is no way hose is going to be less...

There is no way hose is going to be less expensive, not by a huge margin. A quality, conductive lined firesleved hose from someone who knows what they are doing (like Tom at TS Flightlines) is going...
Forum: RV General Discussion/News 04-17-2020, 08:07 AM
Replies: 41
Views: 3,952
Posted By Toobuilder
I've said this a million times and probably have...

I've said this a million times and probably have a million more in me, but rigid lines are the aerospace STANDARD. Flex lines are the EXCEPTION, used only when there is significant relative motion...
Forum: RV models of the future (RV-??) 04-12-2020, 10:26 AM
Replies: 35
Views: 3,771
Posted By Toobuilder
...and will cost 10 times as much to build as any...

...and will cost 10 times as much to build as any of the plethora of light twins at any airport in America can be purchased for today.
Forum: RV-10 04-12-2020, 10:19 AM
Replies: 8
Views: 1,163
Posted By Toobuilder
You are almost certainly going to pay...

You are almost certainly going to pay considerably more for a "piecemeal" engine than a whole. That's the whole concept of breaking up engines and propellers for sale - they bring more money in...
Forum: Glass Cockpit 04-10-2020, 07:58 AM
Replies: 3
Views: 552
Posted By Toobuilder
And if you do the GNX375, not only is the...

And if you do the GNX375, not only is the transponder "free", it also has ADS-b in AND out, and Connext too.
Forum: RV General Discussion/News 04-09-2020, 08:54 PM
Replies: 4
Views: 359
Posted By Toobuilder
A chunk of .250 plate, a drill and hack saw will...

A chunk of .250 plate, a drill and hack saw will produce a cover plate in a few minutes. Use a gasket as a flat pattern.
Forum: RV-4 04-06-2020, 05:43 PM
Replies: 16
Views: 1,750
Posted By Toobuilder
My Rocket came to me as a "forward to lock" but I...

My Rocket came to me as a "forward to lock" but I further modified it to have a stout over center action as well as a warning light. The mod was amazingly simple and really amounted to little more...
Forum: Safety 04-05-2020, 09:12 AM
Replies: 34
Views: 4,193
Posted By Toobuilder
Kudos on a successful outcome and your decision...

Kudos on a successful outcome and your decision to hang it on this forum. I've learned not to do that from past experience - let's hope that it maintains a constructive tack.

Also, as someone who...
Forum: RV General Discussion/News 03-22-2020, 06:42 PM
Replies: 30
Views: 2,382
Posted By Toobuilder
I filled the tanks. Just waiting for the zombies...

I filled the tanks. Just waiting for the zombies to come over the horizon and we're GONE!
Forum: RV General Discussion/News 03-20-2020, 08:27 AM
Replies: 21
Views: 2,588
Posted By Toobuilder
If you only paid $1.72 on your last fill up of...

If you only paid $1.72 on your last fill up of avgas I'd say you are doing pretty well. I paid more than 3 bucks for car gas yesterday.
Forum: Traditional Aircraft Engines 03-19-2020, 01:07 PM
Replies: 13
Views: 1,458
Posted By Toobuilder
I don't mean to imply that a new crank is...

I don't mean to imply that a new crank is "unsafe" - my main question really is: "What does the extra $4k buy me?" In my brain I can't come up with anything, and it seems this forum supports...
Forum: Traditional Aircraft Engines 03-18-2020, 06:51 PM
Replies: 13
Views: 1,458
Posted By Toobuilder
Any crank that goes back in the engine will be...

Any crank that goes back in the engine will be within "new" standard tolerance - just like the "AD" crank that came out, and the reman that went in 3.7 hours ago to replace it (now cracked).
Forum: Traditional Aircraft Engines 03-18-2020, 05:46 PM
Replies: 13
Views: 1,458
Posted By Toobuilder
Question Need Crank - Reman or New?

My 540 suffered a significant overspeed last summer and it's just now working through the shop. Long story short, the overspeed event cracked one of the counterweight ears. Shop is giving me the...
Forum: Electronic Ignition Systems 03-08-2020, 09:59 AM
Replies: 12
Views: 1,153
Posted By Toobuilder
My 540 is going to spend some time on the Ly-Con...

My 540 is going to spend some time on the Ly-Con dyno in the near future and I hope to be able to play with the timing. In my case, I'm looking to quantify the 100% power figure and see how it...
Forum: Electronic Ignition Systems 02-27-2020, 03:59 PM
Replies: 12
Views: 1,153
Posted By Toobuilder
Given your circumstances Larry, I'd consider...

Given your circumstances Larry, I'd consider locking one ignition out at 25 degrees (or whatever your data plate value is), then play with one to arrive at your optimal value. Once found (let's say...
Forum: Electronic Ignition Systems 02-27-2020, 03:01 PM
Replies: 12
Views: 1,153
Posted By Toobuilder
Its been said before but bears repeating. You...

Its been said before but bears repeating. You are looking for the "optimal" PCP/crank angle. This will show up as the best speed (most mechanical work available). The PCP/crank angle is a result...
Forum: Florida (Central) 02-25-2020, 04:56 PM
Replies: 2
Views: 481
Posted By Toobuilder
Question Airparks Near Melbourne Fla?

My company has a significant presence in Melbourne and I'm out here on my first visit in decades. I'm certainly not hating it.

Just wondering what the airpark market looks like within a 30 mile...
Forum: Electronic Ignition Systems 02-22-2020, 12:43 PM
Replies: 12
Views: 1,555
Posted By Toobuilder
The Slick is definitely bringing something to the...

The Slick is definitely bringing something to the party. Remember that the end game is peak cylinder pressure at the optimum crank angle. How that happens does not matter whether the combustion...
Forum: RV General Discussion/News 02-21-2020, 09:54 AM
Replies: 18
Views: 1,509
Posted By Toobuilder
Your answer lies in the 331 threads dedicated to...

Your answer lies in the 331 threads dedicated to the subject in the "never ending debate" section of this forum.
Forum: RV General Discussion/News 02-18-2020, 05:59 PM
Replies: 26
Views: 3,271
Posted By Toobuilder
It may be common to read, but almost always...

It may be common to read, but almost always "wrong". A fixed magneto is certainly contributing to the effective timing of the PCP event. As a composite of two events the magneto or EI can drag the...
Forum: RV Ongoing Maintenance Issues 02-02-2020, 05:57 PM
Replies: 24
Views: 2,761
Posted By Toobuilder
I'm guessing your EGT's are way off from normal...

I'm guessing your EGT's are way off from normal (last 20 years). Do they change in flight, tracking with the other signs of rich running? If so, can the EGTs be brought back to normal with mixture?...
Forum: Glass Cockpit 02-02-2020, 07:48 AM
Replies: 9
Views: 770
Posted By Toobuilder
It's long been my understanding that Dynon did...

It's long been my understanding that Dynon did not continue development of vertical guidance on the pre SkyView products. I have a GTN 650, D180, HS34, and a pair of Dynon servos as the autopilot...
Forum: Electronic Ignition Systems 01-21-2020, 07:55 PM
Replies: 14
Views: 1,329
Posted By Toobuilder
The 1200 series magneto is among the most...

The 1200 series magneto is among the most powerful available, but it's a heavy beast. I'd lean heavily on the SDS CPI system for the grunt work and stick with a common Slick or equivalent for the...
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