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Search: Posts Made By: scsmith
Forum: RV Building Tips/Techniques 09-29-2022, 06:24 PM
Replies: 39
Views: 7,985
Posted By scsmith
PLUS ONE on removing amine blush with warm soapy...

PLUS ONE on removing amine blush with warm soapy water.

It took me a long time to learn this. The amine blush does not come off with other solvents. Sanding it mostly spreads it around. But...
Forum: RV General Discussion/News 09-29-2022, 12:06 PM
Replies: 7
Views: 519
Posted By scsmith
Yes, lately their online store has been closed....

Yes, lately their online store has been closed. But they are super nice to work with on the phone. They are always my first stop for NAS and other hard-to-find hardware.
Forum: Traditional Aircraft Engines 09-28-2022, 04:16 PM
Replies: 10
Views: 1,007
Posted By scsmith
Thanks for posting Clay, I'm curious, I don't...

Thanks for posting Clay,

I'm curious, I don't see much info on their website about what options for engines, other than just going through their build quote menus. They don't post hp numbers for...
Forum: RV-8/8A 09-28-2022, 12:31 PM
Replies: 10
Views: 588
Posted By scsmith
The inboard attach point uses standard AN bolts...

The inboard attach point uses standard AN bolts and nuts. Those are fine.
Forum: Propellers 09-27-2022, 02:17 PM
Replies: 45
Views: 3,526
Posted By scsmith
They might be pretty difficult to drive out once...

They might be pretty difficult to drive out once sheared. Perhaps you can grab the open end with needlenose pliers and twist/pull to pull each half out. It may take several different techniques in...
Forum: RV-8/8A 09-26-2022, 07:24 PM
Replies: 10
Views: 588
Posted By scsmith
Good points Karl. On the build-log that you...

Good points Karl.

On the build-log that you linked to for the little retainer clips, I do have a concern:
In his first photo of the normal, per-plans installation, the horrible NAS679 nuts are...
Forum: RV-8/8A 09-26-2022, 06:55 PM
Replies: 10
Views: 588
Posted By scsmith
On balance, I think it is better to have the...

On balance, I think it is better to have the bolts drop down from inside, if you can do it. As you say, there are a couple of AN3 nuts and bolt-tails in the way. During the build, if you can loosen...
Forum: RV General Discussion/News 09-25-2022, 09:36 PM
Replies: 23
Views: 2,777
Posted By scsmith
Montague Balloon Fest!

I flew over from Ashland to Montague in the pre-dawn to see the dawn ascension of balloons at the Montague Balloon Fest. There were eight balloons including the Smokey-the-Bear balloon from the US...
Forum: Primers 09-24-2022, 11:54 PM
Replies: 8
Views: 536
Posted By scsmith
And here is the link to the "other" Eastwood...

And here is the link to the "other" Eastwood aerosol can 2K primer that does not have the isocyanates, and uses humidity to activate the catalyst. ...
Forum: Primers 09-23-2022, 11:26 PM
Replies: 8
Views: 536
Posted By scsmith
2K primers

This is new to me. I kept seeing references to 2K primer so I thought I would go find out what it is. Eastwood is the brand I read about. I guess there is an older version where the catalyst is in...
Forum: RV-8/8A 09-22-2022, 11:57 AM
Replies: 10
Views: 674
Posted By scsmith
An additional complication is how you intend to...

An additional complication is how you intend to hold the cowl on. Whether you use piano hinge, or make attach strips that support the quarter-turn fasteners (mil-spec or skybolt), either one, plus...
Forum: Propellers 09-21-2022, 11:21 PM
Replies: 45
Views: 3,526
Posted By scsmith
Hmmm. I can attest that the roll pins are indeed...

Hmmm.

I can attest that the roll pins are indeed one piece and go all the way through. It sounds like apparently your pins have some kind of debris in the hole in the center of each one. Maybe...
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-21-2022, 12:25 PM
Replies: 4
Views: 888
Posted By scsmith
I'll take the SL-40. Sending you a PM now.

I'll take the SL-40. Sending you a PM now.
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-20-2022, 10:48 AM
Replies: 7
Views: 535
Posted By scsmith
I agree! I have done the same thing.

I agree! I have done the same thing.
Forum: RV-6/6A 09-19-2022, 08:01 PM
Replies: 23
Views: 2,642
Posted By scsmith
Yes, that spar is junk. There is not enough...

Yes, that spar is junk. There is not enough 'meat' in the spar caps to tolerate up-sizing those holes at all.

The matching holes in the "carry-thru" bulkhead in the fuselage don't matter, it is...
Forum: RV General Discussion/News 09-19-2022, 07:23 PM
Replies: 13
Views: 2,219
Posted By scsmith
supercharged and turbocharged, respectively (but...

supercharged and turbocharged, respectively (but I might have them switched), vs a normally aspirated IO-540.
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-19-2022, 06:09 PM
Replies: 7
Views: 1,316
Posted By scsmith
A rather unusual flywheel/ring gear. Can you...

A rather unusual flywheel/ring gear. Can you tell us what that is?

It is hard to see, but it does appear that there is a plug in the case where the governor oil line would connect.
Forum: Fuel Injection Systems 09-18-2022, 09:19 PM
Replies: 32
Views: 6,943
Posted By scsmith
Yes, bummer that Jeff, Andy, and Jim all had to...

Yes, bummer that Jeff, Andy, and Jim all had to pull up and out. But a huge congratulations to Mathias Haid, who won in his Thunder Mustang. While it is less satisfying to win by having the really...
Forum: Propellers 09-18-2022, 09:15 PM
Replies: 45
Views: 3,526
Posted By scsmith
DO NOT try to drill the holes. You can back the...

DO NOT try to drill the holes.

You can back the nut off, feed safety wire through, and then re-torque, or re-tighten to a mark.

Quitely under our breath, I can admit that lots of people believe it...
Forum: RV General Discussion/News 09-15-2022, 09:01 PM
Replies: 30
Views: 4,365
Posted By scsmith
This is like looking for a unicorn in the horse...

This is like looking for a unicorn in the horse coral, but I wonder if it might be an RV-4 stabilizer? That would explain it being too narrow.
Forum: RV Ongoing Maintenance Issues 09-15-2022, 06:50 PM
Replies: 29
Views: 4,153
Posted By scsmith
I'm glad someone else mentioned this. The oil...

I'm glad someone else mentioned this. The oil return lines are gravity-fed and should run continuously downhill to the sump connection.

Its funny, I've worked on houses where people installed...
Forum: RV General Discussion/News 09-15-2022, 03:51 PM
Replies: 30
Views: 4,365
Posted By scsmith
Don, I sent you a PM -- a private message. In...

Don, I sent you a PM -- a private message.

In case you are new enough that you are unfamiliar, you can access your messages from the link in the upper right corner of your forum screen.
Forum: RV General Discussion/News 09-15-2022, 07:18 AM
Replies: 30
Views: 4,365
Posted By scsmith
I was going to suggest the same thing. The...

I was going to suggest the same thing. The proximity of the inboard stabilizer ribs to the longeron and upper deck suggests that the stabilizer is installed too far forward. The bolt holes appear...
Forum: RV General Discussion/News 09-12-2022, 10:20 PM
Replies: 16
Views: 1,619
Posted By scsmith
Having worked a fair bit in vehicle stability, I...

Having worked a fair bit in vehicle stability, I think I can make credible arguments to support both points of view. That is why I used the word "believe" in my original post. It may be rather...
Forum: Fuel Injection Systems 09-11-2022, 05:37 PM
Replies: 12
Views: 853
Posted By scsmith
Makes sense.

Makes sense.
Forum: Traditional Aircraft Engines 09-11-2022, 04:48 PM
Replies: 78
Views: 7,702
Posted By scsmith
Paul, I punch the hole in the outer area of the...

Paul,
I punch the hole in the outer area of the canister.

Hmmm, when I cut the filter open, there is not much oil in it, but there is some. I always assumed that it was just what pools on the low...
Forum: Traditional Aircraft Engines 09-11-2022, 01:00 PM
Replies: 78
Views: 7,702
Posted By scsmith
Assuming there is room under the filter for a...

Assuming there is room under the filter for a cup.

Back to my question - what do you guys think about putting a vent hole with a removable plug in the top of the aluminum housing? Maybe an AN3-3...
Forum: RV-7/7A 09-11-2022, 11:17 AM
Replies: 19
Views: 1,075
Posted By scsmith
Can't you just rotate your heat muff on the...

Can't you just rotate your heat muff on the exhaust pipe 45 degrees? The light outer shell of the heat muff can rotate on the end-cap pieces to any position you like. Perhaps your heat muff is not...
Forum: Traditional Aircraft Engines 09-11-2022, 11:09 AM
Replies: 78
Views: 7,702
Posted By scsmith
Ah! Sorry, I didn't know they were different. I...

Ah! Sorry, I didn't know they were different. I use a 108 filter, on a 90-degree angle adapter. Hope that helps.
Forum: Traditional Aircraft Engines 09-11-2022, 10:22 AM
Replies: 78
Views: 7,702
Posted By scsmith
I'd like to dig into this a bit more: When I...

I'd like to dig into this a bit more:

When I change my oil, the first thing I do is take a small punch and make a vent hole in the top of the filter housing. By the time the sump is drained, the...
Forum: RV Ongoing Maintenance Issues 09-10-2022, 12:54 PM
Replies: 13
Views: 1,048
Posted By scsmith
Sure it's not a sticky valve? Good you looked...

Sure it's not a sticky valve?

Good you looked for intake leaks, although that wouldn't explain the inability to reach TO power.
Forum: RV General Discussion/News 09-10-2022, 11:17 AM
Replies: 16
Views: 1,619
Posted By scsmith
Your experience reinforces my opinion that a...

Your experience reinforces my opinion that a little toe-in is not a problem, whereas my experience shows that a little toe-out is a big deal.
Forum: RV General Discussion/News 09-09-2022, 10:11 PM
Replies: 16
Views: 1,619
Posted By scsmith
That is a really good idea if you have 500x5...

That is a really good idea if you have 500x5 tires and you can clamp to the brake disc. Much more solid and repeatable. With 380-150 x 5, I don't think I can get anything into the gap between the...
Forum: RV General Discussion/News 09-09-2022, 10:09 PM
Replies: 16
Views: 1,619
Posted By scsmith
You can use the shims for both camber and toe-in....

You can use the shims for both camber and toe-in. But this pretty much only applies to the RV-8. I don't know how you make adjustments to the RV-4,6,7,9,etc.
Forum: RV-14 09-09-2022, 04:03 PM
Replies: 12
Views: 1,080
Posted By scsmith
I continue to be really happy with my Whirl Wind...

I continue to be really happy with my Whirl Wind prop. The current 500-hr inspection cycle will probably change as they gain more service experience with the new model. I know mine (WW 200RV) went...
Forum: RV-14 09-09-2022, 03:51 PM
Replies: 11
Views: 728
Posted By scsmith
Do you know what the tire clearance is inside the...

Do you know what the tire clearance is inside the wheel pant at the top? I bet it is pretty darn close. The tire diameter grows a little when it is spinning fast too.

The 380-150 x 5 tires do...
Forum: RV General Discussion/News 09-09-2022, 02:32 PM
Replies: 16
Views: 1,619
Posted By scsmith
If you have any camber (tire in or out at the...

If you have any camber (tire in or out at the top) then you will have slightly different alignment When level compared to 3-point. I check both. I originally did the alignment with airplane level,...
Forum: RV General Discussion/News 09-09-2022, 01:22 PM
Replies: 16
Views: 1,619
Posted By scsmith
Wheel alignment really matters!

When I built the RV8, I used the wheel alignment shims that Vans sells to get my wheels as closely aligned as I could. They only go down to 1/2 degree, so you can only get within a 1/4 degree of...
Forum: RV-14 09-09-2022, 12:53 PM
Replies: 11
Views: 728
Posted By scsmith
I have no direct experience on the -14, but I...

I have no direct experience on the -14, but I don't see any reason why it would be any different as far as fitting wheel pants. Yes, you install the wheel pant about 1/2" higher than recommended in...
Forum: Fuel Injection Systems 09-09-2022, 11:32 AM
Replies: 12
Views: 853
Posted By scsmith
Maybe we should make this a "sticky" so it is...

Maybe we should make this a "sticky" so it is easy to find.

Std Lycoming injectors are 0.028". I replaced one with a 0.0285" and got perfect gami spread.

0.024 and 0.0225 mentioned in the first...
Forum: RV General Discussion/News 09-06-2022, 08:42 PM
Replies: 36
Views: 4,196
Posted By scsmith
I replaced a 10A Tyco W58 circuit breaker, when...

I replaced a 10A Tyco W58 circuit breaker, when it was about 100F in the hangar.
Forum: Traditional Aircraft Engines 09-05-2022, 01:12 PM
Replies: 20
Views: 1,758
Posted By scsmith
All my old Volvo B-18 and B-20 engines continued...

All my old Volvo B-18 and B-20 engines continued to run 300,000 miles after the lead went away. Cast iron heads, three-angle valve seats cut into the iron. No issues. Cams still had to be...
Forum: RV General Discussion/News 09-04-2022, 05:41 PM
Replies: 20
Views: 1,698
Posted By scsmith
putting a throttle quadrant on the left is a bit...

putting a throttle quadrant on the left is a bit of extra work, and makes it inaccessible to a right-seat person.

So it seems to me that for those of us that fly right-hand only (I've tried the left...
Forum: RV Ongoing Maintenance Issues 09-03-2022, 06:48 PM
Replies: 24
Views: 2,937
Posted By scsmith
This would be a really nice way to go. I am...

This would be a really nice way to go.

I am terrified to try to remove my old Lycoming 71140 fitting. It has been in the case for a million years. I think if I try to turn it, it will just crush...
Forum: Probable Cause Documents Discussed 09-02-2022, 10:51 PM
Replies: 84
Views: 7,444
Posted By scsmith
Another one of those posts that makes me wish we...

Another one of those posts that makes me wish we had a 'like' button
Forum: Traditional Aircraft Engines 09-02-2022, 01:52 AM
Replies: 91
Views: 15,905
Posted By scsmith
I don't think that is right. A drop-in...

I don't think that is right. A drop-in replacement is what they were hoping for and never got. Neither fuel meets the full spec because the density is different. I think that was really the only...
Forum: Traditional Aircraft Engines 09-02-2022, 12:25 AM
Replies: 91
Views: 15,905
Posted By scsmith
There is a possible wrinkle here - the STC may...

There is a possible wrinkle here - the STC may not simply be a paperwork fee. I know that the SWIFT 100UL has a higher density than 100LL. (about 4%)
I'm not sure about the GAMI 100UL, but I think...
Forum: Traditional Aircraft Engines 09-01-2022, 10:40 PM
Replies: 91
Views: 15,905
Posted By scsmith
Well, in Santa Clara County, CA, the airports...

Well, in Santa Clara County, CA, the airports have just one tank, and it will presumably have the 100UL in it. (right now it has 94UL - no 100LL available) So, if you want to buy gas at that...
Forum: Probable Cause Documents Discussed 09-01-2022, 10:37 PM
Replies: 84
Views: 7,444
Posted By scsmith
They wouldn't have installed the original hose if...

They wouldn't have installed the original hose if they were installing the red cube. That would require making up two new, shorter hoses, and suggests that all the reduced-diameter hardware would...
Forum: Traditional Aircraft Engines 09-01-2022, 10:30 PM
Replies: 91
Views: 15,905
Posted By scsmith
Yay! Horray! Can't wait to find where to buy it.

Yay!

Horray!

Can't wait to find where to buy it.
Forum: Probable Cause Documents Discussed 08-30-2022, 06:58 PM
Replies: 84
Views: 7,444
Posted By scsmith
Yes, I think that is a likely assumption. It...

Yes, I think that is a likely assumption. It would take a loooooong ground run to empty the float bowl.

Best to disconnect the hose at the carburetor and put it in a bucket. Run the boost pump for...
Forum: Probable Cause Documents Discussed 08-30-2022, 02:57 PM
Replies: 84
Views: 7,444
Posted By scsmith
Some thoughts: 1. The report mentions that the...

Some thoughts:

1. The report mentions that the fuel tank root ribs were pulled out of the wing skins. It would be nice to know if the forward attach brackets had the proper slots as depicted on...
Forum: RV-8/8A 08-29-2022, 09:01 PM
Replies: 12
Views: 1,379
Posted By scsmith
Mine is a USAF surplus F-15 mirror, from Davis...

Mine is a USAF surplus F-15 mirror, from Davis Monthan AFB.

Someone bought a bunch of their surplus and was selling them for awhile. Sorry that was a long time ago, so probably not helpful, unless...
Forum: Electrical Systems 08-29-2022, 05:54 PM
Replies: 5
Views: 773
Posted By scsmith
I've been having a similar problem. Mine is a...

I've been having a similar problem. Mine is a Tyco W58 10A breaker that causes 2--3 volts of voltage drop. Connections are all tight. I can wiggle it or flex it and it temporarily will function...
Forum: RV Ongoing Maintenance Issues 08-28-2022, 09:05 PM
Replies: 31
Views: 3,422
Posted By scsmith
As an engineer I have always cursed designers...

As an engineer I have always cursed designers that put the o-ring gland on the cylinder bore rather than on the piston. It makes it much harder to service. But in this case there is a benefit. I...
Forum: RV Ongoing Maintenance Issues 08-26-2022, 11:08 AM
Replies: 31
Views: 3,422
Posted By scsmith
No need to worry about the compatibility. The...

No need to worry about the compatibility. The Mil-PRF-83282 hydraulic fluid is compatible with all materials that the standard Mil-H-5606 hydraulic fluid is. The reason to switch to the Viton...
Forum: RV-8/8A 08-26-2022, 10:54 AM
Replies: 13
Views: 1,271
Posted By scsmith
By special arrangement, HP Aircraft LLC ...

By special arrangement, HP Aircraft LLC (advertises here) will make you a set of the racing wingtips in carbon. Usually use fiberglass and they weigh about 3 lbs. Carbon ones would be lighter.
Forum: Safety 08-25-2022, 10:12 AM
Replies: 252
Views: 30,988
Posted By scsmith
FAR Part 23 requires 15%.

FAR Part 23 requires 15%.
Forum: Northwest 08-24-2022, 05:50 PM
Replies: 14
Views: 1,007
Posted By scsmith
Ian Greenwood Tue, August 23, 2022 at 12:00...

Ian Greenwood
Tue, August 23, 2022 at 12:00 PM

This article originally appeared on Ski Mag

The long-range winter forecast could be good news for skiers living in the certain parts of the U.S. and...
Forum: Northwest 08-24-2022, 11:16 AM
Replies: 14
Views: 1,007
Posted By scsmith
We were at Priest Lake (Cavanaugh Bay) a few...

We were at Priest Lake (Cavanaugh Bay) a few years ago toward the end of September and as I recall, the newly appointed czar of Idaho back country airstrips had decided that all of them should close...
Forum: Safety 08-23-2022, 08:56 PM
Replies: 252
Views: 30,988
Posted By scsmith
I agree with this. In at least one of the two...

I agree with this. In at least one of the two cases, the attach bracket that Anti-splat replaces with a stainless steel one was NOT the final failure point either. The fwd fin spar actually tore...
Forum: RV-8/8A 08-23-2022, 08:05 PM
Replies: 10
Views: 778
Posted By scsmith
I have an angle-valve IO-360-A1A. I used the...

I have an angle-valve IO-360-A1A.

I used the cooler Vans sells for the RV-10, and I made a mount similar to the RV-10 mount, but with different angles to match the angles of the RV-8 engine mount...
Forum: Painting your RV 08-23-2022, 02:03 PM
Replies: 12
Views: 930
Posted By scsmith
For most RVs, having a paint stripe along the...

For most RVs, having a paint stripe along the leading edge would not be a big deal. You would have to have a horrible step/edge to be noticeable. The NACA 23000 series airfoil is just not sensitive...
Forum: Safety 08-22-2022, 12:53 PM
Replies: 252
Views: 30,988
Posted By scsmith
The key point here is to increase the margins and...

The key point here is to increase the margins and then DON'T enlarge the envelope. Enjoy the existing envelope with increased margins.
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