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Search: Posts Made By: Toobuilder
Forum: RV General Discussion/News Yesterday, 03:05 PM
Replies: 130
Views: 28,741
Posted By Toobuilder
Yes. And thats why we can run auto gas. Fuel...

Yes. And thats why we can run auto gas.

Fuel pumps as low as possible relative to tank level...
No 90's on the suction side...
High pressure fuel rail...
Ethanol safe fuel...
Forum: Safety Yesterday, 12:47 PM
Replies: 13
Views: 1,266
Posted By Toobuilder
Thanks for the response Bill. I consider myself...

Thanks for the response Bill. I consider myself fortunate to have a large number of military aviators as flying buddies, and your answer is in alignment with theirs.

Totally agree that some...
Forum: Rocket Yesterday, 11:00 AM
Replies: 3
Views: 291
Posted By Toobuilder
Never used drywall mud as a mold material (seems...

Never used drywall mud as a mold material (seems appropriate for some options - thanks for the tip), but I have used almost everything else under the sun and one "go to" tip is to use clear packing...
Forum: Safety Yesterday, 10:03 AM
Replies: 13
Views: 1,266
Posted By Toobuilder
Didnt watch the video because I dont click on...

Didnt watch the video because I dont click on external links, but heres a question that has bugged me for a long time:

As a CFII, how does teaching an admitedly very conservative pattern behavior to...
Forum: RV General Discussion/News Yesterday, 09:47 AM
Replies: 130
Views: 28,741
Posted By Toobuilder
After living in California for the last half...

After living in California for the last half century, I feel I'm qualified to opine that "reality" and "California" are now mutually exclusive terms.

I set the Rocket up to run car gas and frankly,...
Forum: RV-14 Yesterday, 09:33 AM
Replies: 28
Views: 1,414
Posted By Toobuilder
Never flown the 14 but if they are in line with...

Never flown the 14 but if they are in line with most of the other RV line, then its likely that you will never get it perfectly trimmed without some kind of cockpit adjustable scheme. Fuel load will...
Forum: RV General Discussion/News Yesterday, 09:18 AM
Replies: 130
Views: 28,741
Posted By Toobuilder
Depends on where you live. The price delta...

Depends on where you live. The price delta between the cheapest 100LL and the cheapest premium car gas is about 30 cents where I am. And if I want to go to a "brand name" car station like Chevron,...
Forum: RV General Discussion/News Yesterday, 06:36 AM
Replies: 130
Views: 28,741
Posted By Toobuilder
Agree with TX I lean the mixture on every runup,...

Agree with TX

I lean the mixture on every runup, and where the mixture knob ends up to achieve the desired RPM rise is dependant on many variables including temperature, season, and DA. Same with...
Forum: Traditional Aircraft Engines 09-21-2022, 08:57 PM
Replies: 20
Views: 3,483
Posted By Toobuilder
Actually, you would likely make significantly...

Actually, you would likely make significantly more parting it out with all the yellow tags than assembled.
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 09-13-2022, 07:37 PM
Replies: 10
Views: 985
Posted By Toobuilder
I'm flying up with my wife in the Rocket on...

I'm flying up with my wife in the Rocket on Thursday, leaving Monday morning (weather permitting).
Forum: Electrical Systems 09-11-2022, 11:16 AM
Replies: 16
Views: 1,157
Posted By Toobuilder
Went back to the tried and true crimped terminal...

Went back to the tried and true crimped terminal and ANL link at the firewall. Future inspections will inclide a "tug" at the terminals rather than just a visual inspection.
Forum: RV Ongoing Maintenance Issues 09-11-2022, 09:05 AM
Replies: 19
Views: 1,155
Posted By Toobuilder
Agree. The vaccum from the top "has to" work as...

Agree. The vaccum from the top "has to" work as long as you don't introduce more air between the jar on the floor and the reservoir at the top of the system. This air path is often the bleeder...
Forum: Electrical Systems 09-11-2022, 08:56 AM
Replies: 16
Views: 1,157
Posted By Toobuilder
Fixed!

Short version- the lug at the alternator output terminal failed and there were only a few strands of wire hanging on to carry the full load. This was not immediately apparent because it was still...
Forum: RV Ongoing Maintenance Issues 09-10-2022, 09:18 AM
Replies: 19
Views: 1,155
Posted By Toobuilder
+1 for drawing a vacuum from the top. Clear tube...

+1 for drawing a vacuum from the top. Clear tube into a jar of clean fluid at the caliper, crack the bleeder (make sure the threads are sealed) and start sucking. Mity Vac, siphon solvent sprayer,...
Forum: RV General Discussion/News 09-09-2022, 01:08 PM
Replies: 60
Views: 5,909
Posted By Toobuilder
And I agree with your full post. It is not...

And I agree with your full post. It is not "easy" to adopt a new"ish" technology like EFI, but consider the resistance the GA crowd has with E-AB aircraft in general. Many pilots today would never...
Forum: RV General Discussion/News 09-09-2022, 09:41 AM
Replies: 60
Views: 5,909
Posted By Toobuilder
I would argue that it is easier than ever to be a...

I would argue that it is easier than ever to be a "trailblazer". I was a hardcore Bendix FI guy until I started playing with the SDS ignition and that opend a new world. Did some research, defined...
Forum: RV-7/7A 09-08-2022, 10:41 AM
Replies: 16
Views: 1,136
Posted By Toobuilder
My Rocket weighs 1200 pounds and has 330+ HP....

My Rocket weighs 1200 pounds and has 330+ HP.

I'd like 50 more HP.

There is no such thing as "too much" HP.
Forum: Electrical Systems 09-08-2022, 08:16 AM
Replies: 27
Views: 3,476
Posted By Toobuilder
Couple of thougts on "cant hurt"... First off,...

Couple of thougts on "cant hurt"...

First off, the camshaft and lifters are only lubricated with oil cast off the big ends of the rods. The cam is "splash lubed". Oil doesnt sling much unless the...
Forum: RV General Discussion/News 09-05-2022, 01:09 PM
Replies: 91
Views: 19,862
Posted By Toobuilder
Yes, exactly my point. They filter very...

Yes, exactly my point. They filter very effectively but just "ooze" while doing it. Over time, the crankcase is left with very clean oil, but no, the bearings are not protected if it starts making...
Forum: RV General Discussion/News 09-05-2022, 09:12 AM
Replies: 91
Views: 19,862
Posted By Toobuilder
There is often a lot of discussion concerning the...

There is often a lot of discussion concerning the "clogged filter bypass" scenario... How often does this actually occur, and even then, what is the actual realized downside? A reduction in TBO by...
Forum: RV Ongoing Maintenance Issues 09-04-2022, 08:32 AM
Replies: 24
Views: 2,834
Posted By Toobuilder
+1 for Summit Racing (or similar). I needed a...

+1 for Summit Racing (or similar).

I needed a 5/8 elbow to connect to my Moroso valve cover breather I use for crank case vent and after a few minutes of searching, found a perfect fit Dorman molded...
Forum: Electronic Ignition Systems 09-03-2022, 11:40 AM
Replies: 34
Views: 3,324
Posted By Toobuilder
The world would be pretty dull if we all shared...

The world would be pretty dull if we all shared the same opinion. As long as we all agree that opinions are equally "valid" from a certain perspective, we can work it all out.
Forum: Electronic Ignition Systems 09-03-2022, 10:50 AM
Replies: 34
Views: 3,324
Posted By Toobuilder
Wink Seems to be a lot of discussion in this thread...

Seems to be a lot of discussion in this thread concerning "forum etiquette". Moderators are happy with it, so let me drop some more "advanced" forum knowledge for those who are new. Consider it a...
Forum: RV-8/8A 09-02-2022, 04:58 AM
Replies: 7
Views: 871
Posted By Toobuilder
After forgetting to latch it a few times, I now...

After forgetting to latch it a few times, I now consider anything above idle to be a "flight event" so I have the airplane cleaned up by that point.

Plus it rattles like crazy!
Forum: Probable Cause Documents Discussed 09-01-2022, 01:06 PM
Replies: 84
Views: 7,300
Posted By Toobuilder
Just to satisfy my curiosity, I used a 24 inch...

Just to satisfy my curiosity, I used a 24 inch length of -4 line to siphon out a 5 gallon bucket of water. Hardly scientific, but it took less than 8 minutes to empty the bucket. That translates to...
Forum: Probable Cause Documents Discussed 09-01-2022, 11:00 AM
Replies: 84
Views: 7,300
Posted By Toobuilder
Yes, pressure makes a big difference. A broken...

Yes, pressure makes a big difference. A broken -4 line on a 5000 PSI hydraulic system will drain a reservoir in a heartbeat. That said, if the accident airplane didnt fly to the shop (and hundreds...
Forum: Probable Cause Documents Discussed 09-01-2022, 09:03 AM
Replies: 84
Views: 7,300
Posted By Toobuilder
Minor correction to the point above - Every...

Minor correction to the point above - Every bendix FI system I have flown behind or seen has a -4 line from the servo to the flow divider. We know that the servo is "dry" flow, so 100% of the fuel...
Forum: Electrical Systems 08-29-2022, 08:46 PM
Replies: 16
Views: 1,157
Posted By Toobuilder
The arcing terminal theory seems to fit the...

The arcing terminal theory seems to fit the symptoms. Owner is going to replace the breaker and inspect/tighten up the terminal in the plug and look for improvement. If so, we'll re plug and re...
Forum: Traditional Aircraft Engines 08-28-2022, 08:56 AM
Replies: 10
Views: 1,757
Posted By Toobuilder
Two of my buddies have Rockets with Performance...

Two of my buddies have Rockets with Performance Aero engines. No issues.

As for dyno claims - take it with a grain of salt. My 8.5 540 made a claimed 331 HP on the Ly-Con dyno. Only mods are...
Forum: Electrical Systems 08-27-2022, 04:06 PM
Replies: 16
Views: 1,157
Posted By Toobuilder
Walt - the pop of the CB is supposed to be in...

Walt - the pop of the CB is supposed to be in response to an OV event and subsequent crowbar from the regulator. Its possible that its a very fast transient, but the EFIS does not show anything...
Forum: Electrical Systems 08-27-2022, 03:02 PM
Replies: 16
Views: 1,157
Posted By Toobuilder
Thumbs up My thanks.

My thanks.
Forum: Electrical Systems 08-27-2022, 02:37 PM
Replies: 16
Views: 1,157
Posted By Toobuilder
B&C Alternator Troubleshooting

My former RV-8, which served me flawlessly for 11 years, is now giving the new owner fits (of course).

The airplane is equipped with 2 B&C alternators (60 amp and pad driven 40) and two LR3C...
Forum: Rocket 08-27-2022, 02:14 PM
Replies: 9
Views: 647
Posted By Toobuilder
I have to wonder what your CG was with the 19...

I have to wonder what your CG was with the 19 pound TWW? If you can add 20 pounds on the stab, a case of oil in back AND still not be able to go out the back of the envelope when fully loaded you...
Forum: Rocket 08-26-2022, 05:22 PM
Replies: 9
Views: 647
Posted By Toobuilder
Are you asking what a scale would register if the...

Are you asking what a scale would register if the TW was placed on it? If so, are you talking 3 point, level, or other? And if so, are you looking to do W&B calculations or just general info?

In...
Forum: Electronic Ignition Systems 08-20-2022, 08:38 AM
Replies: 11
Views: 871
Posted By Toobuilder
Unlike mechanical fuel injection or carbs where...

Unlike mechanical fuel injection or carbs where you can quite literally flood the engine, airbox and cowl with fuel during a prime event, The SDS system requires engine rotation to provide a signal...
Forum: Electronic Ignition Systems 08-12-2022, 12:15 PM
Replies: 34
Views: 3,324
Posted By Toobuilder
Many of the posters on this forum are very, very...

Many of the posters on this forum are very, very forthcoming with data and educated advice. Those posts exist today, and are available for the reading for anyone to take the few moments to do a...
Forum: Electronic Ignition Systems 08-12-2022, 08:16 AM
Replies: 34
Views: 3,324
Posted By Toobuilder
As I said before, there are hundreds of threads...

As I said before, there are hundreds of threads on this site debating this exact question. One even has a "comparison matrix" built in which lists features and price and other pertinent data.

Lets...
Forum: Electronic Ignition Systems 08-11-2022, 08:13 PM
Replies: 34
Views: 3,324
Posted By Toobuilder
Are you building your airplane on consensus? ...

Are you building your airplane on consensus? Seriously, there is so much information out there and so much competition in the decades since the Emag product hit the scene that this is not the forum...
Forum: RV-15 08-10-2022, 09:21 PM
Replies: 75
Poll: Who's In?
Views: 10,994
Posted By Toobuilder
Please quote the specs so I can determine if they...

Please quote the specs so I can determine if they meet my performance requirements.
Forum: RV-15 08-09-2022, 08:33 PM
Replies: 75
Poll: Who's In?
Views: 10,994
Posted By Toobuilder
Since there are very little actual performance...

Since there are very little actual performance numbers out yet, wondering what criteria people are using to pull the trigger? Is it just because Vans designed it so no matter what, you will conform...
Forum: RV-14 08-01-2022, 04:56 PM
Replies: 18
Views: 2,994
Posted By Toobuilder
I am running the Rocket version of the BA 2...

I am running the Rocket version of the BA 2 blade. And I can tell you that it will out pull the MT 3 blade at higher RPM, but the situation reverses at 2300 and below. Had I known that before, I...
Forum: RV-14 07-31-2022, 09:43 PM
Replies: 18
Views: 2,994
Posted By Toobuilder
Well, the TAS seems reasonable, but the fuel flow...

Well, the TAS seems reasonable, but the fuel flow throws me way off. Looking at the EGT, it seems like its running really...
Forum: RV Building Tips/Techniques 07-29-2022, 08:13 AM
Replies: 12
Views: 1,234
Posted By Toobuilder
If you are talking about the rolled part that...

If you are talking about the rolled part that normally hides within the spar cove, I wont tell you what Vans will say, but I will tell you that I dimpled mine (on purpose) and shot solid rivets in...
Forum: Electronic Ignition Systems 07-23-2022, 09:01 PM
Replies: 8
Views: 604
Posted By Toobuilder
Can you de pin the DB connector, or is it a...

Can you de pin the DB connector, or is it a soldered version? If its crimped contacts, the demate is easy. After that just pull the wires through the hole in the firewall. Also might consider...
Forum: Fuel Injection Systems 07-23-2022, 06:19 PM
Replies: 25
Views: 2,207
Posted By Toobuilder
Right. But they are far, far more reliable than...

Right. But they are far, far more reliable than little airplanes.
Forum: Traditional Aircraft Engines 07-23-2022, 08:04 AM
Replies: 74
Views: 5,862
Posted By Toobuilder
I asked you to expand on this statement because...

I asked you to expand on this statement because it can be received very differently in the aviation community.

Some pilots still believe that LOP ops can "burn up" an engine. And my retort to this...
Forum: Traditional Aircraft Engines 07-22-2022, 03:11 PM
Replies: 74
Views: 5,862
Posted By Toobuilder
Mickey indicated that he was operating at peak...

Mickey indicated that he was operating at peak EGT between 8 - 10k altitude. Assuming he's running NA, that altitude is well within the safe range for leaning at power.
Forum: Traditional Aircraft Engines 07-22-2022, 12:53 PM
Replies: 74
Views: 5,862
Posted By Toobuilder
Lycoming states you can run at peak EGT for best...

Lycoming states you can run at peak EGT for best economy at 65% power or less. There is no time limit at peak EGT as long as CHT and oil temps stay in line. This has been a recommendation from...
Forum: Fuel Injection Systems 07-22-2022, 12:42 PM
Replies: 25
Views: 2,207
Posted By Toobuilder
Fuel pump life is certainly a concern, but I...

Fuel pump life is certainly a concern, but I address that issue by simply switching the power leads at the pumps every CI. Kind of like rotating spark plugs.

And yes, after 35 years in military...
Forum: Traditional Aircraft Engines 07-22-2022, 07:22 AM
Replies: 74
Views: 5,862
Posted By Toobuilder
Can you expand on this?

Can you expand on this?
Forum: RV General Discussion/News 07-22-2022, 06:39 AM
Replies: 31
Views: 3,044
Posted By Toobuilder
Agreed that there are some tough hinges out...

Agreed that there are some tough hinges out there, and also agree that is a result of builder error or lack of attention to detail in most cases. Even my plenum lid is held on with piano hinges. ...
Forum: Fuel Injection Systems 07-21-2022, 07:27 PM
Replies: 25
Views: 2,207
Posted By Toobuilder
Why would you need to turn off a pump? If the...

Why would you need to turn off a pump? If the engine is running, the pump is on. Turning on the second "boost pump" is obvious in a slight jump in fuel pressure and big jump in amperage. fuel pump...
Forum: Fuel Injection Systems 07-20-2022, 04:42 PM
Replies: 25
Views: 2,207
Posted By Toobuilder
Lots of complication in switches here... Is...

Lots of complication in switches here...

Is there any need to kill ignition in flight but leave the ECU and pump powered?

How about no pump but ECU and ignition?

How about no ECU, but pump and...
Forum: RV-10 07-18-2022, 06:10 PM
Replies: 20
Views: 2,254
Posted By Toobuilder
I know this is getting way off topic, but the...

I know this is getting way off topic, but the cowl to inlet transition seal has always bugged me. That led me to try the Rutan "Boomerang style" inlets that are fixed to the engine and move...
Forum: Fuel Injection Systems 07-18-2022, 05:17 PM
Replies: 25
Views: 2,207
Posted By Toobuilder
Indeed. I have my second pump wired to a...

Indeed. I have my second pump wired to a separate switch that is used as a "boost pump" just so I dont have to unlearn all that training. Takeoff and landing or "oh $hit" has me going for the...
Forum: RV-10 07-18-2022, 05:12 PM
Replies: 20
Views: 2,254
Posted By Toobuilder
Thanks for that. Not looking for laboratory...

Thanks for that. Not looking for laboratory grade data here (unless you have it handy), rather, Im just wondering how your airplane compares with other RV-10's when looking at MP at cruise. Do you...
Forum: Fuel Injection Systems 07-18-2022, 04:59 PM
Replies: 25
Views: 2,207
Posted By Toobuilder
These are two identical high pressure fuel pumps....

These are two identical high pressure fuel pumps. Only one is needed to run to serve all the fuel needs of the engine. The other one is a backup. There is no mechanical pump in this scheme, and...
Forum: RV-10 07-17-2022, 06:36 AM
Replies: 20
Views: 2,254
Posted By Toobuilder
Looks like nice work Richard. Especially the...

Looks like nice work Richard. Especially the effort you have in the tooling. Hope you can crank out some duplicates to sell and maybe return some of that investment.

Are you flying now, and if so,...
Forum: RV-10 07-16-2022, 07:44 AM
Replies: 27
Views: 2,392
Posted By Toobuilder
Since you run LOP and high altitude, I can tell...

Since you run LOP and high altitude, I can tell you with certainty that the Surefly is leaving performance on the table. Switch to SDS CPI, spend 5 minutes finding the optimized timing for your...
Forum: RV-10 07-15-2022, 03:34 PM
Replies: 27
Views: 2,392
Posted By Toobuilder
Always cracks me up that these old wives tales...

Always cracks me up that these old wives tales persist. Yes, going LOP can give a sag in speed. And since the past experience with LOP ops in GA was predominantly fixed timing magnetos, the sag in...
Forum: RV-10 07-15-2022, 10:22 AM
Replies: 27
Views: 2,392
Posted By Toobuilder
I have many years of Pmag flying and many years...

I have many years of Pmag flying and many years of SDS. Significant formal flight test shows me that optimized timing offered by the SDS is a game changer.

I'm happy to compare your data with mine.
Forum: RV-10 07-15-2022, 08:20 AM
Replies: 27
Views: 2,392
Posted By Toobuilder
The efficiency gains of moving to FI are only...

The efficiency gains of moving to FI are only partially realized unless you have a means to optimize your ignition curve for LOP ops. Mechanical FI gets you a little; adding an EI with a cookie...
Forum: RV-15 07-12-2022, 09:58 PM
Replies: 457
Views: 100,614
Posted By Toobuilder
Lots of comments about "great design" and...

Lots of comments about "great design" and "mission objectives" in this thread (and considering Vans past, well warranted). Are there any actual numbers yet?
Forum: RV General Discussion/News 07-10-2022, 08:40 AM
Replies: 31
Views: 3,044
Posted By Toobuilder
In my "future case", there will be ample access...

In my "future case", there will be ample access on the top of the cowl at BL 0 due to a design feature to install a RH/LH pin. But a small, inconspicuous access panel would be easy enough to add to...
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