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Search: Posts Made By: Toobuilder
Forum: Traditional Aircraft Engines 11-17-2018, 09:43 AM
Replies: 11
Views: 643
Posted By Toobuilder
I attached a simple sheet metal extension on the...

I attached a simple sheet metal extension on the cowl outlet of the Rocket to throttle the area a little. Flat strip of aluminum and 3 nutplates. easy on, easy off.
Forum: RV General Discussion/News 11-14-2018, 04:03 PM
Replies: 18
Views: 1,080
Posted By Toobuilder
Im not Ross, but I think you are asking two...

Im not Ross, but I think you are asking two questions at the same time. One part of your question has been answered about as absolutely as possible without committing to an "absolute": the pressure...
Forum: RV General Discussion/News 11-11-2018, 11:54 AM
Replies: 44
Views: 2,800
Posted By Toobuilder
Cant comment on the utility in the IFR...

Cant comment on the utility in the IFR environment, but with an integrated glass package you are installing, most of the mental gymnatics are done for you. Once all the time/speed/distance stuff is...
Forum: RV General Discussion/News 11-10-2018, 07:21 PM
Replies: 7
Views: 1,172
Posted By Toobuilder
Because details are important.

Because details are important.
Forum: Rocket 11-09-2018, 08:33 PM
Replies: 26
Views: 1,767
Posted By Toobuilder
Post a link, please! The "Rube Goldberg" aspect...

Post a link, please!

The "Rube Goldberg" aspect of the original design include (IMHO): transmitting a high load through 90 degrees of change using high friction nylon pillow blocks; a walking beam...
Forum: Rocket 11-09-2018, 12:03 PM
Replies: 26
Views: 1,767
Posted By Toobuilder
I removed the Rube Goldberg mess under the floor...

I removed the Rube Goldberg mess under the floor and went with an RV-8 style primarily to address the poor geometry. In the process I reduced complexity and weight and as a bonus the existing...
Forum: ADS-B 11-08-2018, 09:32 AM
Replies: 23
Views: 1,792
Posted By Toobuilder
I understand that using 1090ES (vs UAT) takes the...

I understand that using 1090ES (vs UAT) takes the "anonymous" option off the table. That's a consideration for some of us.
Forum: Traditional Aircraft Engines 11-06-2018, 10:48 PM
Replies: 27
Views: 4,015
Posted By Toobuilder
I was flying (and maintaining) a buddy's Cardinal...

I was flying (and maintaining) a buddy's Cardinal earlier in my flying days and discovered the silicone goop on the engine mount durring an oil change. These had a bunch of time on them without...
Forum: Traditional Aircraft Engines 11-06-2018, 10:17 AM
Replies: 27
Views: 4,015
Posted By Toobuilder
Nope. Have not made it back to experimenting...

Nope. Have not made it back to experimenting with different formulations yet.
Forum: Traditional Aircraft Engines 11-06-2018, 09:52 AM
Replies: 27
Views: 4,015
Posted By Toobuilder
Been there, done...

Been there, done that:

http://www.vansairforce.com/community/showthread.php?t=129002&highlight=Polyurethane
Forum: RV-9/9A 11-05-2018, 06:30 PM
Replies: 10
Views: 1,266
Posted By Toobuilder
I have a bit of time in a friends 9A and spent...

I have a bit of time in a friends 9A and spent much of it exploring the stall. This airplane behaved just as you describe. With the stick held full back and floating down, the tail shakes like a...
Forum: ADS-B 11-02-2018, 08:10 PM
Replies: 31
Views: 2,182
Posted By Toobuilder
Appreciate the comments. The Rocket has plenty...

Appreciate the comments. The Rocket has plenty of room to accept the 330 from the -8. Looks like $1500 for the ES upgrade and I'll get ADS-B out compliance AND the slight benefit of TIS-A through...
Forum: ADS-B 11-02-2018, 01:54 PM
Replies: 31
Views: 2,182
Posted By Toobuilder
...I need to do more homework! I have 2...

...I need to do more homework!

I have 2 airplanes that need ADS-B

RV-8 has a GNS430 (non WAAS) and a GTX330 (Non ES);
Rocket has GTN650 and a GTX327

Sounds like I can upgrade the 330 to an ES and...
Forum: RV Ongoing Maintenance Issues 11-02-2018, 01:21 PM
Replies: 11
Views: 2,151
Posted By Toobuilder
Thanks for checking back. My engineering...

Thanks for checking back. My engineering department has looked at the bolts and the ship and determined it's not a grounding item, but not a good situation either. I'll replace all the bolts, apply...
Forum: Traditional Aircraft Engines 11-02-2018, 11:13 AM
Replies: 8
Views: 968
Posted By Toobuilder
Bill's statememnt is a bit too broad in this...

Bill's statememnt is a bit too broad in this context. While it is true that lower altitudes and rich mixtures require less advance, the truth is each engine, each fuel type, each mixture setting and...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-31-2018, 11:20 AM
Replies: 1
Views: 568
Posted By Toobuilder
I'm in for a roll. PM sent.

I'm in for a roll. PM sent.
Forum: RV General Discussion/News 10-28-2018, 08:20 PM
Replies: 2
Views: 261
Posted By Toobuilder
I'd charge it a time or two and determine if its...

I'd charge it a time or two and determine if its really a malfunction. If so, give them a call and explain the situation (referb, etc) and see what they can do. In my experience, the company will...
Forum: Fuel Injection Systems 10-26-2018, 08:00 AM
Replies: 95
Views: 26,167
Posted By Toobuilder
Personally, I dont like to pull a bunch of power...

Personally, I dont like to pull a bunch of power out for a descent, but I know plenty of people who do without issue. I know of someone who stuck a valve after a completely power off rapid descent...
Forum: RV General Discussion/News 10-25-2018, 02:12 PM
Replies: 6
Views: 500
Posted By Toobuilder
Speed tape has worked well for me. Seems to take...

Speed tape has worked well for me. Seems to take the heat in stride
Forum: RV General Discussion/News 10-25-2018, 12:19 PM
Replies: 6
Views: 500
Posted By Toobuilder
This is typical. Some appropriate bending goes a...

This is typical. Some appropriate bending goes a long way to close the gaps. I go a step further and add aluminum "speed tape" to close them off as much as possible, then add a bit of RTV to finish...
Forum: RV-8/8A 10-25-2018, 11:26 AM
Replies: 49
Views: 4,872
Posted By Toobuilder
Steve Wittman used a single arm unit decades...

Steve Wittman used a single arm unit decades before there were any RV's. Many of the early Tailwinds and racers were so equipped.

These were solid rods and the tailwheels had no swivel function,...
Forum: Fuel Injection Systems 10-25-2018, 08:57 AM
Replies: 95
Views: 26,167
Posted By Toobuilder
Copy. Never heard that one before. That said,...

Copy. Never heard that one before. That said, I'm typically LOP in cruise and dont touch the mixture again until the pattern. This results in a VERY lean mixture at the bottom of descent but never...
Forum: Fuel Injection Systems 10-24-2018, 12:23 PM
Replies: 95
Views: 26,167
Posted By Toobuilder
The document you saw- is it referring to...

The document you saw- is it referring to "mixture" or "power" (red knob or black knob)? Putting aside the "shock cooling" controversy, I typically maintain my cruise MP in the descent. In other...
Forum: Traditional Aircraft Engines 10-21-2018, 12:43 PM
Replies: 3
Views: 381
Posted By Toobuilder
Regardless of the accessory drive speed, the cam...

Regardless of the accessory drive speed, the cam and crank will always maintain a 2:1 relationship. Any variation in accessoriy drive ratio will build off that foundation.
Forum: RV-14 10-19-2018, 01:55 PM
Replies: 34
Views: 2,993
Posted By Toobuilder
It's not "my" spec, it is found in the data...

It's not "my" spec, it is found in the data sheets of the manufacturer. And yes, nutplates do "wear out" in use. The fasteners securing inspection panels in front of the inlets of the jet engine...
Forum: RV-14 10-19-2018, 10:16 AM
Replies: 34
Views: 2,993
Posted By Toobuilder
The above is contrary to the process...

The above is contrary to the process specifications of the large aerospace company I work for.

There are many, many varieties of self locking nutplates and many of them share the properties of, and...
Forum: RV General Discussion/News 10-15-2018, 04:31 PM
Replies: 18
Views: 1,855
Posted By Toobuilder
Rocket with 60 gallon tanks. 200KTAS @ 10GPH...

Rocket with 60 gallon tanks. 200KTAS @ 10GPH gets you there in 5 hours with ample reserves.
Forum: RV General Discussion/News 10-14-2018, 07:43 PM
Replies: 45
Views: 4,598
Posted By Toobuilder
Im not suggesting a copy of the L-39, but hanging...

Im not suggesting a copy of the L-39, but hanging a wet tip off a bunch of #8 screws countersunk into fiberglass will take some careful study.
Forum: RV General Discussion/News 10-14-2018, 11:29 AM
Replies: 45
Views: 4,598
Posted By Toobuilder
I'd take a good look at how the shear load of...

I'd take a good look at how the shear load of that new tank is addressed. The L-39 uses a similar attach method for its 26 gallon tip tanks, but the fasteners going into the upper and lower skin are...
Forum: RV General Discussion/News 10-14-2018, 11:20 AM
Replies: 45
Views: 4,598
Posted By Toobuilder
Makes sense. I think I glossed over your...

Makes sense. I think I glossed over your concerns about maintaining acro capability. Roll rate will slow with bigger tanks and spins would have to be fully explored again, but beyond that I'm...
Forum: RV General Discussion/News 10-11-2018, 08:41 AM
Replies: 45
Views: 4,598
Posted By Toobuilder
Not sure what your pro/con analysis is suggesting...

Not sure what your pro/con analysis is suggesting here. Building a larger tank a few bays towards the tip is less overall weight than "wetting" a few bays AT the tip, and certainly results in a...
Forum: RV General Discussion/News 10-10-2018, 08:22 AM
Replies: 45
Views: 4,598
Posted By Toobuilder
A other popular option from John is bigger tanks....

A other popular option from John is bigger tanks. He sells new skins for extended tanks to get you about 58 gallons total- a bit more if you reverse the end ribs. Ive looked at a variety of options...
Forum: Reviews 09-28-2018, 04:59 PM
Replies: 38
Views: 12,032
Posted By Toobuilder
If you happen to be local to Desser and have a...

If you happen to be local to Desser and have a set of worn tires around, they will recap yours pretty quickly.
Forum: RV General Discussion/News 09-28-2018, 07:50 AM
Replies: 25
Views: 2,295
Posted By Toobuilder
I didnt get the impression the OP or subsequent...

I didnt get the impression the OP or subsequent replies were discussing flying the airplane with any part of the cowl removed.
Forum: Traditional Aircraft Engines 09-27-2018, 10:11 AM
Replies: 4
Views: 465
Posted By Toobuilder
On my lyc 200 I removed the bracket and went...

On my lyc 200 I removed the bracket and went straight to the mixture arm. Never understood why Vans added all that monkey motion. Certainly wasn't needed on my configuration.
Forum: Propellers 09-14-2018, 12:31 PM
Replies: 2
Views: 428
Posted By Toobuilder
Stripped and polished my last prop on the Rocket...

Stripped and polished my last prop on the Rocket after seeing my neighbors chrome like example. Current prop is stripped and working toward final polish. Advice: DO NOT use any form of abrasive to...
Forum: Electrical Systems 09-13-2018, 12:55 AM
Replies: 14
Views: 3,967
Posted By Toobuilder
I dont dislike/question the "quality" of the...

I dont dislike/question the "quality" of the Delphi crimps - I dislike "yet another" specialized crimp tool/connector when I have a million ring terminals and the tools to properly install them in my...
Forum: RV-14 09-12-2018, 03:43 PM
Replies: 40
Views: 5,467
Posted By Toobuilder
Yep. Those bolts are 10/32 and I replaced them...

Yep. Those bolts are 10/32 and I replaced them with drilled head AN bolts and lockwired them. No issues since.
Forum: Fuel Injection Systems 09-09-2018, 10:42 AM
Replies: 110
Views: 16,505
Posted By Toobuilder
Found another benefit to these things yesterday. ...

Found another benefit to these things yesterday. I needed safety the lower baffles and one of the induction tubes was in the way. I tried several times to get a good angle on the problem and then...
Forum: RV-4 09-05-2018, 08:56 AM
Replies: 41
Views: 6,346
Posted By Toobuilder
Pretty sure the Rocket is the same style latch. ...

Pretty sure the Rocket is the same style latch. I didnt like the fact that closed was not a positive lock, so I modified mine to go over center. Same basic parts, just changed the geometry a bit.
Forum: Traditional Aircraft Engines 09-04-2018, 08:42 AM
Replies: 23
Sticky: ENGINE COOLING
Views: 4,596
Posted By Toobuilder
The simpler duct shown in post #16 of my other...

The simpler duct shown in post #16 of my other thread is now my default bypass duct. I have one on cylinder #5 on the Rocket's new baffles as well as an identical example on #2. The one on #2...
Forum: Traditional Aircraft Engines 09-03-2018, 02:56 PM
Replies: 23
Sticky: ENGINE COOLING
Views: 4,596
Posted By Toobuilder
Yes. Preaching to the choir....

Yes. Preaching to the choir.

http://www.vansairforce.com/community/showthread.php?t=93949&highlight=CHT
Forum: RV General Discussion/News 09-02-2018, 02:19 PM
Replies: 47
Views: 3,064
Posted By Toobuilder
This is not a red cube but the concept is...

This is not a red cube but the concept is similar:

http://i66.tinypic.com/2vlwbyd.jpg
Forum: RV-9/9A 09-02-2018, 10:41 AM
Replies: 3
Views: 563
Posted By Toobuilder
Many, many threads discussing the #3 issue. Do a...

Many, many threads discussing the #3 issue. Do a search and you will have several hours of reading.
Forum: RV General Discussion/News 09-02-2018, 09:15 AM
Replies: 47
Views: 3,064
Posted By Toobuilder
The raw flow divider ports should be NPT. Mine...

The raw flow divider ports should be NPT. Mine were, and I used a short male/male NPT nipple to attach the transducer to the divider. "Hard" mounting is not reccomended, but it served me just fine...
Forum: Rocket 09-01-2018, 06:46 PM
Replies: 30
Views: 5,288
Posted By Toobuilder
The lower speeds are my typical "economy" cruise...

The lower speeds are my typical "economy" cruise and ~9000 MSL. Higher numbers were SL.
Forum: Rocket 09-01-2018, 02:02 PM
Replies: 30
Views: 5,288
Posted By Toobuilder
Speed between the F-1 and HRII is based primarily...

Speed between the F-1 and HRII is based primarily on attention to the build. Again drawing from the "real world", the group of 6 Rockets that I run with (3 are F-1's and 3 are HRII's), 1 particular...
Forum: Rocket 09-01-2018, 10:29 AM
Replies: 30
Views: 5,288
Posted By Toobuilder
Data from my stable: RV-8 165 KTAS @ 8.5 GPH...

Data from my stable:

RV-8 165 KTAS @ 8.5 GPH (19.4 MPG)
Rocket 202 KTAS @ 11 GPH (18.3 MPG)

I have hundreds of hours of cross country time in both, typically loaded to the gills with PAX and...
Forum: Fuel Injection Systems 08-31-2018, 12:34 PM
Replies: 94
Views: 7,058
Posted By Toobuilder
What's the PN of the hose stock (Aeroquip 303,...

What's the PN of the hose stock (Aeroquip 303, etc) that you use?

How many examples of your direct mount injectors are flying, and what's the approximate cum hours?
Forum: Rocket 08-31-2018, 12:31 PM
Replies: 30
Views: 5,288
Posted By Toobuilder
I have both in my hangar, and "I" can hardly...

I have both in my hangar, and "I" can hardly bring myself to fly the -8 when the Rocket is airworthy... The little guy just sits in the corner.

That said, you need to sit in a Rocket to see if the...
Forum: Fuel Injection Systems 08-31-2018, 12:11 PM
Replies: 94
Views: 7,058
Posted By Toobuilder
Certainly noteworthy, but worse than "vibration"...

Certainly noteworthy, but worse than "vibration" is the amount of independent movement each head has relative to each other. We know that installing a one piece baffle spanning 2 or 3 heads will...
Forum: Fuel Injection Systems 08-28-2018, 02:17 PM
Replies: 94
Views: 7,058
Posted By Toobuilder
I appreciate that observation but in this case...

I appreciate that observation but in this case the picture isn't worth 1000 words. So here's a few more: The clamp spacing on the main rail is consistent with typical engineering guidance. The one...
Forum: Fuel Injection Systems 08-28-2018, 02:05 PM
Replies: 94
Views: 7,058
Posted By Toobuilder
In this case we are discussing the direct mount...

In this case we are discussing the direct mount bosses that thread into the primer/injector ports, not the weld in types.
Forum: RV General Discussion/News 08-28-2018, 09:47 AM
Replies: 73
Views: 7,174
Posted By Toobuilder
There is a difference between blindly dumping a...

There is a difference between blindly dumping a load of auto gas into an airplane and "seeing what happens" and designing the system to use it. As others have done, my system has zero 90 degree...
Forum: Fuel Injection Systems 08-28-2018, 09:32 AM
Replies: 94
Views: 7,058
Posted By Toobuilder
Short answer: My preference to minimize MMOI. ...

Short answer: My preference to minimize MMOI. I'm trying to minimize mass hanging off the injector body. Originally I intended to have an "in" and "out" fitting on these bodies just so I could...
Forum: RV General Discussion/News 08-27-2018, 08:29 PM
Replies: 73
Views: 7,174
Posted By Toobuilder
I have no direct experience with the 390, but...

I have no direct experience with the 390, but significant evidence suggests that 8.5 CR is not a hard limit for various grades of existing auto fuel even with fixed timing magnetos. In that case, the...
Forum: Fuel Injection Systems 08-27-2018, 03:49 PM
Replies: 94
Views: 7,058
Posted By Toobuilder
Since this has turned into a discussion about...

Since this has turned into a discussion about fuel rail design, here's what I'm doing. The rail is just a loop of .035 SS hardline with 6 bungs welded on. There is hardline from the rear baffles...
Forum: Fuel Injection Systems 08-26-2018, 01:36 PM
Replies: 110
Views: 16,505
Posted By Toobuilder
These were created to solve a known problem that...

These were created to solve a known problem that has plagued pilots and mechanics for decades. Bottom line: if your stock gaskets are not leaking yet, they will.

So yes, this is a good preventative...
Forum: Fuel Injection Systems 08-26-2018, 02:29 AM
Replies: 110
Views: 16,505
Posted By Toobuilder
Steve- the sump to tube seal is around the bore. ...

Steve- the sump to tube seal is around the bore. The tube itself is free to translate in and out a bunch (probably +- a half inch). With amount the cylinders walk around in service this connection...
Forum: Fuel Injection Systems 08-24-2018, 04:40 PM
Replies: 110
Views: 16,505
Posted By Toobuilder
Steve- having done a 200hp, AV, horizontal sump...

Steve- having done a 200hp, AV, horizontal sump as the prototype for this product, IMHO, you would have to be really sloppy in your welding to mess this up. Yes, you could drive the condition which...
Forum: Traditional Aircraft Engines 08-23-2018, 10:14 AM
Replies: 49
Views: 4,039
Posted By Toobuilder
The Lightspeed “runaway” MAP sensor is a known...

The Lightspeed “runaway” MAP sensor is a known issue thanks to this forum and was my initial thought – but that’s been put to bed during troubleshooting. Induction leaks can be insidious but should...
Forum: Traditional Aircraft Engines 08-18-2018, 08:02 PM
Replies: 9
Views: 998
Posted By Toobuilder
Something not cooling related caught my eye- it...

Something not cooling related caught my eye- it looks like the cooler is hanging off the firewall with a pair of L brackets, each attached to one ear of the cooler. If that's the case, I'd expect...
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