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Search: Posts Made By: Toobuilder
Forum: Safety Today, 08:25 AM
Replies: 94
Views: 16,702
Posted By Toobuilder
Found a loose nut on an elevator hinge rod...

Found a loose nut on an elevator hinge rod end.

Found the rudder counterweight fasteners loose and hanging low enough to snag the vert. stab, partly locking the rudder.

Yesterday found a flap...
Forum: Fuel Injection Systems Yesterday, 09:11 PM
Replies: 54
Views: 6,488
Posted By Toobuilder
Got my parts last week and installed a couple on...

Got my parts last week and installed a couple on the Rocket today. I tried Mike's method above (well, similar) as well as "my" original method to compare. First off, either one is comically easy to...
Forum: Electronic Ignition Systems Yesterday, 03:48 PM
Replies: 29
Views: 1,733
Posted By Toobuilder
No OSH for me this year again - otherwise I'd...

No OSH for me this year again - otherwise I'd certainly give you a shout. We're just scratching the surface on optimum timing for these engines, so we definitely need more people out there doing...
Forum: Electronic Ignition Systems 07-14-2018, 03:19 PM
Replies: 29
Views: 1,733
Posted By Toobuilder
Thats an enviously tight EGT spread. Now go out...

Thats an enviously tight EGT spread. Now go out and find the peak ignition timing and report back with your optimized cruise numbers.
Forum: Electronic Ignition Systems 07-14-2018, 01:22 PM
Replies: 29
Views: 1,733
Posted By Toobuilder
Yep, this threw me for a loop too. NO WAY an...

Yep, this threw me for a loop too. NO WAY an ignition timing of 23 degrees (magnetos) will deliver the same speed as an EI with optimized timing LOP. No way. However, the big difference here is...
Forum: Electronic Ignition Systems 07-14-2018, 12:11 PM
Replies: 29
Views: 1,733
Posted By Toobuilder
OK. The fact that you are dragging around the AC...

OK. The fact that you are dragging around the AC condenser and you still return the same speed and FF as David is a testament to the efficiency of the SDS ignition. In that respect, a single test...
Forum: Electronic Ignition Systems 07-14-2018, 12:01 PM
Replies: 29
Views: 1,733
Posted By Toobuilder
Bill, I have found that an increase of 4 degrees...

Bill, I have found that an increase of 4 degrees is optimum for me. Understand that this is AFTER I have found the "optimal" timing for my 8500 cruise altitude "best power" mixture, and also...
Forum: Electronic Ignition Systems 07-14-2018, 10:13 AM
Replies: 29
Views: 1,733
Posted By Toobuilder
What you are missing is the fact that the...

What you are missing is the fact that the required advance dramatically increases once you go past LOP. Since the primary control logic for EI advance is MP and RPM, the ignition has no way to...
Forum: Electronic Ignition Systems 07-14-2018, 10:03 AM
Replies: 29
Views: 1,733
Posted By Toobuilder
David - thinking about this a bit more. You guys...

David - thinking about this a bit more. You guys can very easily do a "nearly" apples to apples test: Simply lock down the timing of the SDS ship to the data plate values (23 degrees?) and go fly...
Forum: Traditional Aircraft Engines 07-14-2018, 09:32 AM
Replies: 9
Views: 706
Posted By Toobuilder
The quickest way to verify function with no...

The quickest way to verify function with no noticable drop is an immediate rise in EGT when running on one ignition. If you have no RPM drop AND no associated EGT rise, you're not shutting one...
Forum: Electronic Ignition Systems 07-14-2018, 06:35 AM
Replies: 29
Views: 1,733
Posted By Toobuilder
Do you guys both fly LOP, and if so, does he use...

Do you guys both fly LOP, and if so, does he use the LOP advance function?

I have shown many times (well, pretty much every time I fly) that my Rocket picks up 3-4 KTAS with the advance switch...
Forum: Electronic Ignition Systems 07-13-2018, 10:47 PM
Replies: 29
Views: 1,733
Posted By Toobuilder
Pmag is probably one of the easiest to install,...

Pmag is probably one of the easiest to install, but then you are stuck with a remove and inspect operation every year just to make sure its holding together. CPI is a touch more trouble to install...
Forum: Electronic Ignition Systems 07-13-2018, 07:14 AM
Replies: 29
Views: 1,733
Posted By Toobuilder
Initial cost actually favors the EI (depending on...

Initial cost actually favors the EI (depending on the system), and long term maintenance costs definitely favors EI (500 hr checks for mags vs ZERO for EI (well, SOME of them anyway))

"Worth it" is...
Forum: RV General Discussion/News 07-11-2018, 05:21 PM
Replies: 11
Views: 678
Posted By Toobuilder
I'm guessing that you are discussing 4 bangers...

I'm guessing that you are discussing 4 bangers only? If not, it's going to skew your data
Forum: Electronic Ignition Systems 07-08-2018, 07:15 PM
Replies: 59
Views: 7,400
Posted By Toobuilder
Mike S has a good write up. Look here: ...

Mike S has a good write up. Look here: http://www.vansairforce.com/community/showpost.php?p=1101538&postcount=3

It's important not to over think the pointer thing. All you have to do is establish...
Forum: RV-6/6A 07-08-2018, 02:22 PM
Replies: 22
Views: 1,794
Posted By Toobuilder
I see some differences in operation from my own. ...

I see some differences in operation from my own. Not saying it's the only way to do it but I typically fly the throttle as the OP is used to in the Deuce... WOT from takeoff to descent. I'll pull...
Forum: RV General Discussion/News 07-08-2018, 12:42 PM
Replies: 11
Views: 2,724
Posted By Toobuilder
Considering the heft and location of the brackets...

Considering the heft and location of the brackets and hardware for the belt driven version, going to the pad mounted example is probably a noticable moment change on the 540.
Forum: Safety 07-08-2018, 12:00 PM
Replies: 37
Views: 4,149
Posted By Toobuilder
I dont see "angst" in this thread, nor do I see...

I dont see "angst" in this thread, nor do I see dog owners as being "bad". What I do see is an opportunity for pilots to do what we are trained to do - and that's "manage risk". We can't do much...
Forum: Electronic Ignition Systems 07-08-2018, 11:19 AM
Replies: 59
Views: 7,400
Posted By Toobuilder
Ross - just for clarity for all of us, I had him...

Ross - just for clarity for all of us, I had him move from the 10 degree setting you sent him to "TDC" because his ring gear does not have a "10" mark. Normally I wouldnt want to run at TDC, but he...
Forum: Electronic Ignition Systems 07-08-2018, 11:10 AM
Replies: 59
Views: 7,400
Posted By Toobuilder
To follow up with our phone conversation, here is...

To follow up with our phone conversation, here is a step-by-step for you:

1. Using the top splitline of the case and the timing marks on the REAR of the ring gear, rotate the engine until it is...
Forum: Electronic Ignition Systems 07-07-2018, 09:13 PM
Replies: 59
Views: 7,400
Posted By Toobuilder
Remember that the "0" degree initial timing...

Remember that the "0" degree initial timing position works because the engine is really running on the 25 degree magneto in this case, and the "0" (TDC) mark is very prominent on the flywheel. If...
Forum: Safety 07-07-2018, 04:59 PM
Replies: 37
Views: 4,149
Posted By Toobuilder
Statistical probability is entertaining to post,...

Statistical probability is entertaining to post, but it's amazing how fast #274 changes to #1 when it's in your face. I know plenty of "airport dogs" that have missing limbs, permanent deformities...
Forum: RV General Discussion/News 07-07-2018, 04:48 PM
Replies: 14
Views: 902
Posted By Toobuilder
As there is no "seal" between the ring gear...

As there is no "seal" between the ring gear carrier and crank, it's possible that oil is working out of the crank/hub seal and slinging to the inside, but normally it stays in front. The nose seal...
Forum: RV-6/6A 07-07-2018, 04:27 PM
Replies: 22
Views: 1,794
Posted By Toobuilder
Keith- Not that this matters at all, but I have...

Keith-

Not that this matters at all, but I have more than 27 years on the U-2/ER-2 program both as a GI and Engineer, and the RV-8 I fly is owned by a former Deuce pilot. We probably know a lot of...
Forum: RV General Discussion/News 07-07-2018, 01:02 PM
Replies: 14
Views: 902
Posted By Toobuilder
Are you throwing oil at the blade/hub or...

Are you throwing oil at the blade/hub or hub/crank? The hub/crank should be dry from day one. If not, it was probably cut on installation.
Forum: RV General Discussion/News 07-07-2018, 09:26 AM
Replies: 24
Views: 3,174
Posted By Toobuilder
Keep in mind that there are more than one...

Keep in mind that there are more than one "widths" of the ring gear carrier pulley. My neighbors Rocket has a wider pulley and the belt sits deep - just flush. I thought mine was wrong because the...
Forum: Traditional Aircraft Engines 07-07-2018, 09:08 AM
Replies: 7
Views: 638
Posted By Toobuilder
I installed jets in my little 260 HP 540. I run...

I installed jets in my little 260 HP 540. I run in very high ambient temps, plan to run auto fuel, and I'm seeking a comprehensive, low drag cooling system. I think that the piston jets are not...
Forum: Electronic Ignition Systems 07-06-2018, 08:05 PM
Replies: 59
Views: 7,400
Posted By Toobuilder
Set the mag to fire at data plate values, but...

Set the mag to fire at data plate values, but make sure it is not active on the starter.

Timing marks for the CPI can be placed anywhere convenient. Just put the engine on TDC (or 10, or 20, or...
Forum: RV General Discussion/News 07-06-2018, 07:18 AM
Replies: 6
Views: 373
Posted By Toobuilder
A very quick and dirty test is to connect the...

A very quick and dirty test is to connect the starter case to the battery neg terminal with a length of wire. If the starter performance improves (or the wire burns up), then you have a bad ground...
Forum: RV General Discussion/News 07-04-2018, 09:38 AM
Replies: 8
Views: 618
Posted By Toobuilder
Are you suggesting that you were WOT (climb...

Are you suggesting that you were WOT (climb power) yet the MP was 19?

Immediate thought is a major restriction within the induction tract. Debris or linkage is partially blocking the throat to the...
Forum: Electrical Systems 06-30-2018, 08:22 PM
Replies: 20
Views: 1,752
Posted By Toobuilder
The Gm 10 SI is a big sucker... The little...

The Gm 10 SI is a big sucker... The little Geo/samuri ND's are small but pack a pretty big punch. They were standard Vans kit fare for years
Forum: RV General Discussion/News 06-29-2018, 12:55 PM
Replies: 35
Views: 3,851
Posted By Toobuilder
I think Mr.Bush lost a lot of credibility with...

I think Mr.Bush lost a lot of credibility with this one. As a USAF trained jet engine troop and an A&P, I certainly know about the correct use and care of torque wrenches. Settings, certifications,...
Forum: Electrical Systems 06-29-2018, 10:34 AM
Replies: 20
Views: 1,752
Posted By Toobuilder
Just to be clear, do you mean a true "one wire" -...

Just to be clear, do you mean a true "one wire" - an alternator that has only the output wire, or do you mean the more conventional "internally regulated" which has two wires (output and field/turn...
Forum: RV General Discussion/News 06-29-2018, 09:22 AM
Replies: 35
Views: 3,851
Posted By Toobuilder
Sometimes you will catch a single missing...

Sometimes you will catch a single missing fastener before the whole mess departs. If you really did have a ham fisted mechanic that completely ignores the basics of maintenance (as Bush seems to...
Forum: RV General Discussion/News 06-28-2018, 07:04 AM
Replies: 9
Views: 575
Posted By Toobuilder
I can only imagine my issue was water getting on...

I can only imagine my issue was water getting on the sensitive electrical bits on the firewall mounted sensor itself, rather than water making its way up from the servo, sump and primer port.
Forum: RV General Discussion/News 06-28-2018, 06:58 AM
Replies: 9
Views: 575
Posted By Toobuilder
Mine would act up pretty much every time I washed...

Mine would act up pretty much every time I washed the airplane or engine. Never otherwise. Quite the coincidence.
Forum: RV General Discussion/News 06-27-2018, 09:57 PM
Replies: 9
Views: 575
Posted By Toobuilder
Used to happen often with my VM 1000

Used to happen often with my VM 1000
Forum: RV General Discussion/News 06-27-2018, 05:30 PM
Replies: 29
Views: 5,076
Posted By Toobuilder
Tom, While there is a natural hesitation to...

Tom,

While there is a natural hesitation to explore the edges of limits (peak), the fact is in this case, most of us have done it many times without even knowing it. The long held standard of...
Forum: RV General Discussion/News 06-27-2018, 06:42 AM
Replies: 29
Views: 5,076
Posted By Toobuilder
That's assuming all things are equal. And in the...

That's assuming all things are equal. And in the case of a magneto with fixed timing compared to an EI with an advance, they are NOT equal. It is very easy to get the same speed at a lower fuel...
Forum: RV General Discussion/News 06-26-2018, 12:19 PM
Replies: 43
Views: 2,492
Posted By Toobuilder
Agreed, which if true means that the key switch...

Agreed, which if true means that the key switch replacement is not "the" fix.
Forum: RV General Discussion/News 06-26-2018, 11:19 AM
Replies: 43
Views: 2,492
Posted By Toobuilder
I get that completely. But the starter solenoid...

I get that completely. But the starter solenoid "dropping out" is a discrete event. The OP indicated (to me) that the starter was slow to get over the compression stroke.

If it tried to climb the...
Forum: RV General Discussion/News 06-26-2018, 08:44 AM
Replies: 43
Views: 2,492
Posted By Toobuilder
So that should be very easy to see. Previously,...

So that should be very easy to see. Previously, when the blade stopped against the compression stroke, was it de energized, or was it still engaged but "slow"?
Forum: RV General Discussion/News 06-26-2018, 08:41 AM
Replies: 29
Views: 5,076
Posted By Toobuilder
I'm with Carl here. The charts are an OK...

I'm with Carl here. The charts are an OK starting point, but in reality you are going to have to see what your particular configuration likes. There is no magic EGT target nor a universal advance...
Forum: RV General Discussion/News 06-26-2018, 08:31 AM
Replies: 43
Views: 2,492
Posted By Toobuilder
Are you suggesting that the ability of the...

Are you suggesting that the ability of the solenoid to pass hundreds of amps through the massive contact points are determined by the resistance in the small solenoid plunger coil circuit? How is...
Forum: RV General Discussion/News 06-26-2018, 07:04 AM
Replies: 43
Views: 2,492
Posted By Toobuilder
Great it appears to work now, but can anyone...

Great it appears to work now, but can anyone explain why? If the primary symptom is the inability to crank over the first compression stroke, then how does an intermittent contact on the key switch...
Forum: RV General Discussion/News 06-25-2018, 03:00 PM
Replies: 43
Views: 2,492
Posted By Toobuilder
If I read the OP correctly, there is now a new NL...

If I read the OP correctly, there is now a new NL starter on the ship - which should spin a std compression 320 fast enough to taxi around with. If the heavily geared NL is struggling to get over...
Forum: RV-8/8A 06-20-2018, 03:47 PM
Replies: 27
Views: 3,553
Posted By Toobuilder
How are these different from the Grove?

How are these different from the Grove?
Forum: Traditional Aircraft Engines 06-19-2018, 08:47 AM
Replies: 19
Views: 1,988
Posted By Toobuilder
Not tested, but since the heads are designed to...

Not tested, but since the heads are designed to work when siamesed together, the exhaust side of #3 provides the air duct to feed the lower fins of #1 and #3. It stands to reason that the exhaust...
Forum: RV-10 06-14-2018, 09:10 AM
Replies: 5
Views: 479
Posted By Toobuilder
Just as a point of reference from another thread...

Just as a point of reference from another thread of mine:

... if we take the typical 3.25 overdrive ratio of the large Lycoming pulley (9.75/3.0), we see we are spinning the alternator at almost...
Forum: Fuel Injection Systems 06-14-2018, 09:02 AM
Replies: 54
Views: 6,488
Posted By Toobuilder
Copy all. If you don't mind doing an experiment,...

Copy all. If you don't mind doing an experiment, try installing the O ring on the inner retainer first, then set it aside. Install the two bolts to hang the tube (big gap), then slip the O ring...
Forum: Fuel Injection Systems 06-14-2018, 07:39 AM
Replies: 54
Views: 6,488
Posted By Toobuilder
Good photos Mike. Curious about your...

Good photos Mike. Curious about your installation process for the O ring assembly. Did you seat everything as shown in your second picture (above), and then place and install the bolts? If so,...
Forum: Fuel Injection Systems 06-11-2018, 04:01 PM
Replies: 54
Views: 6,488
Posted By Toobuilder
Maybe this...

Maybe this helps:

http://i65.tinypic.com/2s0ecrl.jpg

The crush is determined by the depth of the counterbore in the new clamp (red, in this case). Unlike the standard Lycoming part which has the...
Forum: Fuel Injection Systems 06-11-2018, 03:37 AM
Replies: 54
Views: 6,488
Posted By Toobuilder
Expanded out (tapered) at the sump end? If so,...

Expanded out (tapered) at the sump end? If so, then a cut and weld like I did would work?
Forum: Fuel Injection Systems 06-10-2018, 02:55 AM
Replies: 54
Views: 6,488
Posted By Toobuilder
Concerning the welding of the angle valve tubes-...

Concerning the welding of the angle valve tubes- mine were factory welded about an inch down from the flange. I simply cut through the weld with a band saw, replaced the clamps and re welded. With...
Forum: Fuel Injection Systems 06-01-2018, 09:58 PM
Replies: 54
Views: 6,488
Posted By Toobuilder
After trying several different gaskets including...

After trying several different gaskets including paper, composition, silicone and even dead soft copper, I threw a rough O ring idea at Ross and sure enough, he took it and improved it. Some...
Forum: Rocket 05-29-2018, 08:06 AM
Replies: 7
Views: 1,117
Posted By Toobuilder
Fabricated rudder cable guards for the baggage...

Fabricated rudder cable guards for the baggage compartment. Three bends in a strip of featherweight .016 in the shape of a inverted V: _/\_ adds remarkable stiffness to the panel and certainly isnt...
Forum: RV-10 05-27-2018, 04:43 PM
Replies: 42
Views: 3,029
Posted By Toobuilder
Some time ago I proposed a slug of lead in an...

Some time ago I proposed a slug of lead in an aluminum tube spanning the fuse sides under the stab to address the RV-8 solo CG issues. Have not implemented it yet, but the cautions for spin recovery...
Forum: Electrical Systems 05-27-2018, 01:41 PM
Replies: 261
Views: 14,799
Posted By Toobuilder
Pilot Vehicle Interface... A human factors issue...

Pilot Vehicle Interface... A human factors issue that has become its own engineering sub specialty in recent years.




But there are more than a few certified airplanes that funnel the two P leads...
Forum: RV Ongoing Maintenance Issues 05-27-2018, 10:40 AM
Replies: 9
Views: 1,247
Posted By Toobuilder
An update, though no resolution yet. Spoke to a...

An update, though no resolution yet.

Spoke to a very helpful Wayne at Phlogiston and it does look like my center section will need some attention. He does have the +1 and +2 oversize bolts required...
Forum: Electrical Systems 05-27-2018, 09:31 AM
Replies: 261
Views: 14,799
Posted By Toobuilder
The idea that additional switches for required...

The idea that additional switches for required (redundant) components adding a benign failure mode works on paper, but ignores the much more difficult to address PVI perspective. Knowing how pilots...
Forum: RV General Discussion/News 05-27-2018, 08:17 AM
Replies: 53
Views: 9,935
Posted By Toobuilder
No. The "small tab" referenced is located right...

No. The "small tab" referenced is located right at the base of the cylinder, adjacent to the hold down nut. That needs to be bent into position (often isn't), and RTV'd shut (rarely is).

That said,...
Forum: Electrical Systems 05-26-2018, 01:49 PM
Replies: 261
Views: 14,799
Posted By Toobuilder
With all due respect, I'd rather shove bamboo...

With all due respect, I'd rather shove bamboo shoots under my fingernails.

...but the concept is simple: if the ECU is "ON", so are the pump, coils and injectors. Since all of these components are...
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