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Search: Posts Made By: flion
Forum: RV-7/7A 04-05-2021, 06:29 AM
Replies: 3
Views: 481
Posted By flion
Yep, you just don't want it to rotate on the...

Yep, you just don't want it to rotate on the bracket, so a small hole on that bracket is all that is needed. Do it in place so you don't inadvertently put the hole where the mating bracket will...
Forum: RV-10 04-05-2021, 06:25 AM
Replies: 13
Views: 1,510
Posted By flion
Just a cautionary story. A few years ago, an RV...

Just a cautionary story. A few years ago, an RV landing at Bar-10 (inside the Grand Canyon) caught a wingtip on a tumbleweed which caused a runway excursion that nearly flipped the aircraft. It...
Forum: RV-10 04-05-2021, 06:17 AM
Replies: 3
Views: 278
Posted By flion
You will laugh when you attach the elevators and...

You will laugh when you attach the elevators and see how much clearance there really is. But it is good that you question the effects of even minor changes to the construction. Build on!
Forum: RV General Discussion/News 03-30-2021, 04:12 AM
Replies: 59
Views: 3,329
Posted By flion
I agree with you. They are clearly "anchor...

I agree with you. They are clearly "anchor plates" ... :rolleyes:
Forum: RV-10 03-26-2021, 07:12 AM
Replies: 39
Views: 2,927
Posted By flion
That would be a horrible starting wage even for a...

That would be a horrible starting wage even for a fresh-out-of-college engineer here in the US. And it might be different in your country but the hiring company pays more per hire than just their...
Forum: RV-10 03-26-2021, 07:05 AM
Replies: 39
Views: 2,927
Posted By flion
*blush* You are correct. Even so, once you add...

*blush* You are correct. Even so, once you add all the overhead, that seemingly large hourly profit evaporates quickly.
Forum: RV-10 03-24-2021, 08:57 AM
Replies: 39
Views: 2,927
Posted By flion
That $200k estimate is in US dollars and does not...

That $200k estimate is in US dollars and does not indicate what the market would be in your country. Nor could you export finished aircraft back to the US. Also, there would be little profit margin....
Forum: RV Photo/Video URLs 03-16-2021, 08:13 AM
Replies: 12
Views: 1,579
Posted By flion
Google your N number from time to time...

Google your N number from time to time (registration number for those not in USA). I've found photos I didn't know about. Also found some oddly related aircraft registrations, since Google is not...
Forum: RV-10 03-13-2021, 12:45 PM
Replies: 33
Views: 5,609
Posted By flion
What you say is true but there is also a...

What you say is true but there is also a difference between a laminating bond on 'green' expoxy and one on fully cured epoxy, even if the surface was prepared with peel ply or abrasive surface...
Forum: RV-10 03-12-2021, 12:53 PM
Replies: 33
Views: 5,609
Posted By flion
I still don't get how this can happen. My top...

I still don't get how this can happen. My top and doors are the pink ones and the doors are assembled per the kit instructions save for the flush handles. No special stiffening and it takes...
Forum: RV-10 03-09-2021, 07:58 AM
Replies: 6
Views: 839
Posted By flion
Actually, you got me looking back through the...

Actually, you got me looking back through the pictures I took while building and I found my 'trick' to keeping it untwisted. Some people like to back-rivet but I couldn't do that on the bottom skin...
Forum: RV-10 03-08-2021, 06:14 AM
Replies: 6
Views: 839
Posted By flion
Skin to skin. Don't worry about the slight skin...

Skin to skin. Don't worry about the slight skin to stiffener gap at those last two holes. The stiffeners are flexible enough before riveting that it won't distort the skins and the structure will be...
Forum: RV-10 03-05-2021, 08:09 AM
Replies: 3
Views: 470
Posted By flion
Specifically, page 28-8 step 5 (my older PDF...

Specifically, page 28-8 step 5 (my older PDF plans) where the forward center section bulkhead is bolted to the forward fuselage ribs. Once the bulkhead is attached, it would probably be difficult to...
Forum: RV-10 02-21-2021, 07:27 AM
Replies: 13
Views: 830
Posted By flion
Depends how exact you want to be. Best practice...

Depends how exact you want to be. Best practice is to drill 3/32" and ream to #40 later. Home Depot (or other local places) will sell cobalt bits in fractional sizes. You should also consider...
Forum: RV Building Tips/Techniques 02-15-2021, 12:20 PM
Replies: 7
Views: 706
Posted By flion
I had mine dipped for a carbon fiber pattern. ...

I had mine dipped for a carbon fiber pattern. You could get it dipped however you like. I'd have to look and see if I recorded the service in my log but there are many good ones out there. I...
Forum: RV General Discussion/News 02-06-2021, 06:58 AM
Replies: 35
Views: 3,080
Posted By flion
Which it could not be because, unlike the...

Which it could not be because, unlike the airframe kits, there is no standard FWF kit. It depends on the engine and prop combination, neither of which is on the main order form either (excepting the...
Forum: RV-10 02-05-2021, 12:43 PM
Replies: 3
Views: 1,044
Posted By flion
That's a bit concerning. If the wing is flexing...

That's a bit concerning. If the wing is flexing there, should the T-1005 be relieved to prevent it from potentially rubbing the fuselage? And if that part is unsupported, will it potentially impact...
Forum: Primers 02-05-2021, 12:26 PM
Replies: 8
Views: 1,127
Posted By flion
In an effort to offset the extra equipment in my...

In an effort to offset the extra equipment in my RV-10, I decided not to prime most of the alclad. Not trying to fuel the primer wars, because my RV-6A was fully primed. However, there are some...
Forum: RV Photo/Video URLs 01-29-2021, 06:21 AM
Replies: 6
Views: 1,830
Posted By flion
The Grand Canyon is also amazing right now. As...

The Grand Canyon is also amazing right now. As for how often, the answer is not very often. And snowfall in Northern Arizona is usually followed by clear skies, unlike other places, so when it does...
Forum: RV Building Tips/Techniques 01-25-2021, 02:23 PM
Replies: 3
Views: 737
Posted By flion
Found at...

Found at https://st.hotrod.com/uploads/sites/21/2020/09/152-TABLE-torque-values-aircraft-bolts-and-nuts-in-shear.pdf: 12-15 in/lbs. Not sure why #8 is not listed in the RV manual since #8 screws are...
Forum: RV-8/8A 01-08-2021, 06:40 AM
Replies: 11
Views: 1,430
Posted By flion
Not on the -8, but on both my projects the rudder...

Not on the -8, but on both my projects the rudder bottom is held using #6 screws, as are my wing tips (I'm going to try the 'hidden hinge' for the -10). No problems with the -6A flying since 2008. ...
Forum: Traditional Aircraft Engines 01-02-2021, 07:02 AM
Replies: 20
Views: 3,856
Posted By flion
I can't speak for Aerosport Power, but I did...

I can't speak for Aerosport Power, but I did Superior's school years ago and I'd suspect it wouldn't be too different. Spent 5 days, including some classroom time and the last day was a short day....
Forum: RV-14 12-30-2020, 09:00 AM
Replies: 8
Views: 1,345
Posted By flion
Countersinking through the skin will result in...

Countersinking through the skin will result in less material removed from the longeron (as it doesn't have to accommodate a skin dimple), but I'm not sure if it makes that much difference. Either...
Forum: RV-10 12-28-2020, 06:26 AM
Replies: 4
Views: 930
Posted By flion
You will need the cables in place before adding...

You will need the cables in place before adding the fairings. The cable ends will not go through the slots with the fairing in place.
Forum: Traditional Aircraft Engines 12-14-2020, 09:03 AM
Replies: 228
Views: 47,236
Posted By flion
A close reading of the AD reveals this in the...

A close reading of the AD reveals this in the cost of compliance section:

"The costs of compliance with this AD consist of the cost to remove and replace a crankshaft assembly. The FAA estimates...
Forum: RV Building Tips/Techniques 12-01-2020, 08:02 AM
Replies: 2
Views: 998
Posted By flion
You are probably just fine. The dimple does not...

You are probably just fine. The dimple does not have a sharp edge compared to a countersink, but riveting will cause the dimpled material to conform. If you countersink so that the surfaces meet,...
Forum: RV Building Tips/Techniques 11-29-2020, 09:08 AM
Replies: 29
Views: 4,693
Posted By flion
I would not depend on that plastic in the engine...

I would not depend on that plastic in the engine compartment. Firesleeve maybe, but I expect plastic will age rather quickly. In any case, it is not accepted practice to run electrical and...
Forum: My RV Build Project 11-10-2020, 08:17 AM
Replies: 4
Views: 2,015
Posted By flion
IIRC, the TC visits were never mandated by FAA or...

IIRC, the TC visits were never mandated by FAA or EAA. Instead, the insurance companies used to offer a rate break if you had three visits logged for your project. That offer disappeared before I...
Forum: RV General Discussion/News 11-04-2020, 05:59 AM
Replies: 15
Views: 2,605
Posted By flion
Grainger has quite a selection. Here's one -...

Grainger has quite a selection. Here's one - https://www.grainger.com/product/KEN-FORGING-Eyebolt-3ZGZ8 (https://www.grainger.com/product/KEN-FORGING-Eyebolt-3ZGZ8).
Forum: RV General Discussion/News 11-04-2020, 05:40 AM
Replies: 15
Views: 2,605
Posted By flion
LOL. You mean the Cleveland stainless steel...

LOL. You mean the Cleveland stainless steel tiedown ring? :p Sorry, couldn't resist. Cleveland Tools...
Forum: RV-10 10-30-2020, 09:40 AM
Replies: 2
Views: 807
Posted By flion
You are correct, the screw holes need to be...

You are correct, the screw holes need to be countersunk with the nutplates in place and the middle one does not need to be countersunk (though it won't be a problem if you did). There also seems to...
Forum: RV-10 10-20-2020, 07:07 AM
Replies: 9
Views: 1,016
Posted By flion
Tunnel cover, section 35, page 6. Callout is for...

Tunnel cover, section 35, page 6. Callout is for AN509-8R8 screws to attach it.
Forum: RV-10 10-20-2020, 06:59 AM
Replies: 12
Views: 2,105
Posted By flion
Avoid pulled rivets in the firewall. Those...

Avoid pulled rivets in the firewall. Those rivets are best set by backriveting. Any bucking bar should work with the manufactured head and a mushroom set (not the type with the rubber ring) will get...
Forum: RV-14 10-20-2020, 06:43 AM
Replies: 21
Views: 8,704
Posted By flion
WD-40 is not a lubricant. It is a penetrating...

WD-40 is not a lubricant. It is a penetrating solution, with volatiles that will evaporate, leaving behind little in the way of lubrication. Use for breaking free 'stuck' screws and nuts. Afterward,...
Forum: RV-14 10-18-2020, 11:50 AM
Replies: 6
Views: 2,700
Posted By flion
Order your engine sometime before the first...

Order your engine sometime before the first flight... ;)

Ok, with the silly answer out of the way, be aware that there are some tasks to do to the engine before you hang it, so plan for a little...
Forum: RV General Discussion/News 10-18-2020, 11:20 AM
Replies: 15
Views: 4,464
Posted By flion
Congratulations!

Congratulations!
Forum: RV Ongoing Maintenance Issues 10-18-2020, 11:19 AM
Replies: 4
Views: 887
Posted By flion
Aside from the solvent solutions you were given...

Aside from the solvent solutions you were given on FB, you might try drilling a large hole in the backplate on either side of the prop. Through this you might be able to reach with a tool to the...
Forum: RV-10 10-13-2020, 08:55 AM
Replies: 2
Views: 591
Posted By flion
If it were one of the wing tips, I'd worry...

If it were one of the wing tips, I'd worry because, yes, they can sag when not attached to the wing. The cabin top, on the other hand, has major structural elements molded into it. Mine sat on the...
Forum: RV-6/6A 10-07-2020, 08:18 AM
Replies: 6
Views: 1,796
Posted By flion
Since Van's still offers the fuselage and finish...

Since Van's still offers the fuselage and finish kits for the 6/6A, they can probably sell you a conical mount.
Forum: RV-14 10-05-2020, 08:56 AM
Replies: 4
Views: 1,225
Posted By flion
Yes, that is what I was describing in the first...

Yes, that is what I was describing in the first part of my post. Make the adjustments before drilling the elevator horns.
Forum: RV-14 10-05-2020, 08:47 AM
Replies: 9
Views: 1,951
Posted By flion
It's hard to tell from that photo, but I'm not...

It's hard to tell from that photo, but I'm not sure you have achieved a good bend on the leading edge. That's a difficult bend to make in assembly, especially with the spar getting in the way as you...
Forum: RV-10 10-05-2020, 08:31 AM
Replies: 5
Views: 872
Posted By flion
There's plenty of room to work in that first...

There's plenty of room to work in that first tailcone section with the rear skin on. On the other hand, you will want to have anything behind that (wire routing, elevator trim servos, etc.) done...
Forum: RV General Discussion/News 10-04-2020, 08:35 AM
Replies: 29
Views: 6,824
Posted By flion
I remember that build being mentioned in the...

I remember that build being mentioned in the RVator at the time. Where there's a will, there's a way!
Forum: RV General Discussion/News 10-04-2020, 08:33 AM
Replies: 11
Views: 2,362
Posted By flion
Nothing escapes from where the CHT probes go. If...

Nothing escapes from where the CHT probes go. If you only had one CHT, the other three cylinders would be fine, so there's no need to seal or lock those. I recently changed the bayonet adapters that...
Forum: RV Photo/Video URLs 10-04-2020, 08:17 AM
Replies: 19
Views: 4,290
Posted By flion
At first I thought that was polished and a...

At first I thought that was polished and a reflection. Very neat. I didn't prime mine (uh-oh! Here we go! :rolleyes:) but I did powder coat and added waterslide decals of my RV-10's proposed paint...
Forum: RV-14 10-04-2020, 08:05 AM
Replies: 9
Views: 1,951
Posted By flion
Do you have a photo of the elevator leading edge,...

Do you have a photo of the elevator leading edge, edge-on? It sounds like the leading edge may have been under-bent (it can be difficult to get a smooth bend all the way back to the spar). But...
Forum: RV-14 10-04-2020, 07:58 AM
Replies: 4
Views: 1,225
Posted By flion
Is that 1/16" along the entire length of the...

Is that 1/16" along the entire length of the counterweight? If it is 1/8" at the back of the horizontal stab and narrower near the front, you can adjust the hinges to make it straighter. Inboard...
Forum: Glass Cockpit 10-03-2020, 10:23 AM
Replies: 1
Views: 1,289
Posted By flion
Super important! It can get very hot in the dead...

Super important! It can get very hot in the dead space behind the panel and having a tip-up doesn't help when the aircraft is parked. I've come back from lunch a couple of times to find the cockpit...
Forum: Painting your RV 09-27-2020, 07:34 AM
Replies: 6
Views: 1,323
Posted By flion
I had mine hydro-dipped in a carbon-fiber...

I had mine hydro-dipped in a carbon-fiber pattern. I intend for them to be masked for paint. I'm not sure how they were prepped for the dipping process but after drilling and countersinking for...
Forum: RV General Discussion/News 09-24-2020, 08:37 AM
Replies: 10
Views: 1,737
Posted By flion
I'd suggest panel nuts but I'm not sure if they...

I'd suggest panel nuts but I'm not sure if they are ferrous or not. Since they are made for panel installations, I'm guessing that they wouldn't be a huge factor in any case. That would let you keep...
Forum: RV General Discussion/News 09-24-2020, 08:29 AM
Replies: 29
Views: 6,824
Posted By flion
It depends on the apartment construction, mostly....

It depends on the apartment construction, mostly. I built the tail and wings of my RV-6A in the living room of a 2-bedroom apartment in Ann Arbor. The main structure of the building was concrete...
Forum: Tools 09-24-2020, 08:09 AM
Replies: 10
Views: 1,950
Posted By flion
Faster speeds make better holes for aluminum, but...

Faster speeds make better holes for aluminum, but that's not the whole story. If you are building a pre-punched kit, you will be fine with a slower drill and reamer for much of it, though I would...
Forum: RV-14 09-24-2020, 07:55 AM
Replies: 7
Views: 1,921
Posted By flion
Those should go in or be linked in the...

Those should go in or be linked in the modified/made tools thread.
Forum: RV Photo/Video URLs 09-18-2020, 08:49 AM
Replies: 14
Views: 3,714
Posted By flion
And there is nothing that prohibits an 03...

And there is nothing that prohibits an 03 departure. I didn't mention it to be critical but to point out that RVs easily do what other aircraft have difficulty with. Sedona, though, will teach you to...
Forum: RV Photo/Video URLs 09-17-2020, 11:21 PM
Replies: 14
Views: 3,714
Posted By flion
Yes, and they are even taking runway 03, which is...

Yes, and they are even taking runway 03, which is right into the ridge. Not a problem for RVs though you have few options if you have an engine problem. Most lesser aircraft land 03 and take off 21...
Forum: Safety 09-13-2020, 08:22 AM
Replies: 14
Views: 4,097
Posted By flion
My Airworthiness Certificate contains the...

My Airworthiness Certificate contains the approved aerobatics for my aircraft and there is a log entry stating that those maneuvers were performed during Phase I. If the aircraft you are considering...
Forum: Electronic Ignition Systems 09-11-2020, 09:39 PM
Replies: 25
Views: 3,104
Posted By flion
I bought a bunch of extension screws with knurled...

I bought a bunch of extension screws with knurled knobs (https://www.amazon.com/10-PACK-Screws-Parallel-Serial-Connectors/dp/B016S7OBOE) so I could tighten and verify tightness by touch. I replace...
Forum: Tools 09-11-2020, 04:19 PM
Replies: 31
Views: 9,606
Posted By flion
Last ones, for now. These are made tools. The...

Last ones, for now. These are made tools. The first is a simple rest for round stock, made quickly with scrap angle and a few rivets. The second takes a bit of explanation, for those of you...
Forum: Tools 09-11-2020, 03:57 PM
Replies: 31
Views: 9,606
Posted By flion
Thinking of modded tools, wrenches come easily to...

Thinking of modded tools, wrenches come easily to mind. I have two, shown in the first photo, that serve to handle fluid fittings in tight places. The short one, especially, I did not regret buying...
Forum: Tools 09-11-2020, 03:45 PM
Replies: 31
Views: 9,606
Posted By flion
Neat stuff! I'm glad I thought to start this. ...

Neat stuff! I'm glad I thought to start this. It took me a couple days to find or make photos of the tools I wanted to show and I won't put them all in a single post. I'll start off with squeezer...
Forum: RV-10 09-11-2020, 08:56 AM
Replies: 3
Views: 884
Posted By flion
The picture on the right is most correct, though...

The picture on the right is most correct, though I don't think it's a problem if you have the bottom skin between the tailcone's bottom and side skins as in the first picture. It looks like you are...
Forum: Tools 09-09-2020, 09:16 AM
Replies: 31
Views: 9,606
Posted By flion
Tools you modified/made

From another thread, but it made me think. Pristine tools are a joy, no doubt about it. But I have a handful of specially made or modified tools and have seen more in the shops of other mechanics. ...
Forum: RV Building Tips/Techniques 09-08-2020, 10:05 AM
Replies: 6
Views: 1,185
Posted By flion
Drill a #40 hole at 1" mark on a tape measure and...

Drill a #40 hole at 1" mark on a tape measure and cleco it in place. But I have to admit, I like this method, too. Clever thinking.
Forum: RV General Discussion/News 09-08-2020, 09:57 AM
Replies: 11
Views: 2,292
Posted By flion
I don't land with the nose that high and just aim...

I don't land with the nose that high and just aim to keep it off the ground, similar to my takeoff technique. It slows down pretty quickly and when the stick is all the way back, it doesn't have...
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