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Search: Posts Made By: DaveWelch
Forum: RV-12/RV-12iS 05-11-2022, 03:27 PM
Replies: 4
Views: 507
Posted By DaveWelch
By the time I got to that point of mounting the...

By the time I got to that point of mounting the VR in my kit #121, there had been mucho experience and discussion of failed VRs and alternate mount locations. Vans then issued a mod to mount it...
Forum: RV-12/RV-12iS 05-11-2022, 03:09 PM
Replies: 7
Views: 824
Posted By DaveWelch
So to answer the OP question, give your AP the...

So to answer the OP question, give your AP the Dynon procedure for testing the pitot/static system. As I recall there are some other cautions as well to avoid damaging the system due to over pressure.
Forum: RV-12/RV-12iS 05-11-2022, 03:04 PM
Replies: 7
Views: 824
Posted By DaveWelch
Bob Y is referring to the Dynon’s Pitot/Static...

Bob Y is referring to the Dynon’s Pitot/Static Test Mode as described in the page he included. The page also describes the rational for using the test mode.
Forum: RV-12/RV-12iS 02-22-2022, 08:45 PM
Replies: 247
Views: 36,881
Posted By DaveWelch
Disappointed

No lame jokes about “spilling the beans” yet?
Y’all are pitiful (grin)
Forum: RV-12/RV-12iS 02-22-2022, 08:14 PM
Replies: 46
Views: 11,289
Posted By DaveWelch
Doug, We’re in Keystone Heights 42J between Jax...

Doug, We’re in Keystone Heights 42J between Jax and Gainesville, FL.
I should add our info to the “RV Hotel” List.
We’re living our dream of being near some of the grandchildren and being able to...
Forum: RV-12/RV-12iS 02-21-2022, 09:07 PM
Replies: 46
Views: 11,289
Posted By DaveWelch
Ya know I’d forgotten about meeting you out there...

Ya know I’d forgotten about meeting you out there at the RV12 Expo! What a great experience that was!
re eventual damage…I tend to agree. Not impossible, but far from ideal. Best to plan on...
Forum: RV-12/RV-12iS 02-17-2022, 01:27 PM
Replies: 46
Views: 11,289
Posted By DaveWelch
Wing Height?

Doug,
I think we met a few years back at one of the NE Alabama fly-ins. I remember we talked about your trailer but this is the first I've seen pictures.
Question about your wing cradles...when they...
Forum: RV-12/RV-12iS 02-01-2022, 11:50 AM
Replies: 37
Views: 4,745
Posted By DaveWelch
Hmmm…ya know…I’d consider detaching the wings,...

Hmmm…ya know…I’d consider detaching the wings, but the whole thing on a flatbed trailer and hauling it to a DAR that wants the job. Obviously there’s a trade off between your own travel expenses,...
Forum: RV-12/RV-12iS 01-30-2022, 09:36 PM
Replies: 8
Views: 1,095
Posted By DaveWelch
+1 for the Carbtune. Dead simple. No...

+1 for the Carbtune.
Dead simple. No electronics.
As I recall, the are used at the Mothership also.
Forum: RV-12/RV-12iS 12-20-2021, 07:10 PM
Replies: 17
Views: 2,522
Posted By DaveWelch
Jack, I see you’re an A&P, so some of my...

Jack,
I see you’re an A&P, so some of my offerings below may be stating the obvious for you. Still, I’ll share observations from my build in hopes of benefit to you and others, assuming no major...
Forum: RV-12/RV-12iS 12-11-2021, 08:04 PM
Replies: 46
Views: 11,289
Posted By DaveWelch
It’s all good…

Met a couple in North Alabama a few years ago that trailered their RV-12 to and from the airport. Said they had refined their routine down to about 15 minutes from parking to RV engine start. Heck,...
Forum: RV Friends Who Have Passed On 11-17-2021, 09:39 AM
Replies: 20
Views: 2,302
Posted By DaveWelch
Ms Becker

She has her own wings now!
Forum: RV-12/RV-12iS 11-11-2021, 07:37 PM
Replies: 6
Views: 1,176
Posted By DaveWelch
Thanks for the reminder! BTW, I just tried it on...

Thanks for the reminder!
BTW, I just tried it on Duck Duck Go and it works great on that search tool also (and I can avoid using the evil ‘oogle)
Forum: RV-12/RV-12iS 10-15-2021, 07:07 PM
Replies: 24
Views: 5,016
Posted By DaveWelch
Do not push up down on the stabilator

I may be wrong here if the 12is stabilator and attachment is VERY different from the first generation -12. Or perhaps I’ve misunderstood the advice given about applying pressure on the “stabilator...
Forum: RV-12/RV-12iS 10-11-2021, 05:54 PM
Replies: 13
Views: 2,880
Posted By DaveWelch
Thanks for the reminder Scott!

Thanks for the reminder Scott!
Forum: RV-12/RV-12iS 10-11-2021, 12:23 PM
Replies: 13
Views: 2,880
Posted By DaveWelch
Flap spring and knob

I also wound enough thick tape (rescue tape) into the gap just below the top of the flap “push button” to mostly fill the gap. Did this after “biting” my hand (web of skin between index finger and...
Forum: RV-12/RV-12iS 09-18-2021, 09:41 PM
Replies: 12
Views: 1,901
Posted By DaveWelch
Check with the folks at Cleveland Tool. However...

Check with the folks at Cleveland Tool. However many they sent with their RV12 tool kit was about right. Only a couple of times I wished I had a few more but made do.
Forum: RV-8/8A 08-18-2021, 07:49 PM
Replies: 10
Views: 1,996
Posted By DaveWelch
+1 for Locktite 567

I started with Permatex 2, couldn’t stop the leaks. -567 solved the problem.
Have seen some say that Perm2 worked for them, but if it doesn’t work for you it’s a real pain to clean up all your...
Forum: RV-12/RV-12iS 08-18-2021, 03:25 PM
Replies: 17
Views: 2,839
Posted By DaveWelch
Bugs!?

Not a lot of bugs 🐜 in the wa…What??
We’re in the South Y’all!
Bugs are what hold everything too-getha here 😉
And Rain, lots of rain…
Forum: RV-12/RV-12iS 08-17-2021, 03:08 PM
Replies: 17
Views: 2,839
Posted By DaveWelch
Trailer

I’d go with one of the larger trailer to allow room for bracing and padding.
Forum: RV-12/RV-12iS 08-17-2021, 03:06 PM
Replies: 17
Views: 2,839
Posted By DaveWelch
Emp transport

I agree with Pierre, not likely attached and to be honest I wouldn’t try moving with the stabilizers attached any.
It’s to wide as you mentioned, it is much to vulnerable to damage and you’ll remove...
Forum: RV-12/RV-12iS 08-17-2021, 12:04 PM
Replies: 15
Views: 3,368
Posted By DaveWelch
LODA

Don’t forget your LODA if you have need for an instructor to ride with you for any reason.
Forum: RV-12/RV-12iS 08-17-2021, 12:02 PM
Replies: 15
Views: 3,368
Posted By DaveWelch
Outstanding!

Congratulations Jeff!
Forum: RV-12/RV-12iS 08-06-2021, 09:49 PM
Replies: 11
Views: 2,205
Posted By DaveWelch
Various Uses

Go with the Quart. It doesn’t cost much if any more than 2-3 cartridges and there are a number of other places in the build where it is called out, recommended, or just darned handy. Also a good way...
Forum: RV General Discussion/News 05-30-2021, 07:06 PM
Replies: 9
Views: 1,356
Posted By DaveWelch
Watch This!

I’ll bet the pickup goes a lot faster too!
Forum: RV-12/RV-12iS 05-30-2021, 07:04 PM
Replies: 10
Views: 2,935
Posted By DaveWelch
Clever!

Very good Dave!
Where were you when I was doing mine! 😄
Forum: RV Building Tips/Techniques 05-28-2021, 07:26 PM
Replies: 17
Views: 2,167
Posted By DaveWelch
Caution with Perm #2

I’ve used it for years in automotive applications but I could not stop the leaks where I used it on my -12. So I disassembled all the connections, cleaned them really well and reassembled with...
Forum: RV-12/RV-12iS 03-28-2021, 10:20 PM
Replies: 32
Views: 8,426
Posted By DaveWelch
Insurance

+1 for Gallagher. Straight shooters.
Forum: RV-12/RV-12iS 02-25-2021, 04:37 PM
Replies: 14
Views: 2,838
Posted By DaveWelch
In my view it depends on your “build speed”,...

In my view it depends on your “build speed”, which will determine any “risk” that the avionics (if purchased and installed first) might advance/evolve/improve while you hang the engine.
Forum: RV General Discussion/News 02-24-2021, 09:11 PM
Replies: 9
Views: 2,098
Posted By DaveWelch
OK

Ok, sending pm
Forum: RV General Discussion/News 02-23-2021, 08:37 PM
Replies: 9
Views: 2,098
Posted By DaveWelch
Eyeball vents

I have a pair of aluminum vents that I purchased back when I was planning to build a -7A. It may be a few days before I can get out to the field but I'll send you a pic so you can determine it they...
Forum: RV-12/RV-12iS 02-07-2021, 09:56 PM
Replies: 13
Views: 2,360
Posted By DaveWelch
Cleavland

+1 for the Cleavland “Main Squeeze”
I did need a Pneumatic rivet gun for my Kit #121 to rivet the seat pan to center spar as I recall. Newer kits may be different.

Also I uses a pneumatic puller...
Forum: RV-12/RV-12iS 01-21-2021, 11:14 AM
Replies: 36
Views: 6,813
Posted By DaveWelch
Repairs

I’m surprised that no one has mentioned the time, cost, and aggravation of repairing or replacing an damaged/destroyed wheel pant after a flat.
Something to consider in the cost tradeoff.
Forum: RV-12/RV-12iS 01-18-2021, 10:41 PM
Replies: 18
Views: 4,014
Posted By DaveWelch
No worries

Learn on Champ! And ask away.
We all started new at this.
Some of our “experts “ may sound a bit “crusty” but we’re well intended.
Most of all have fun.
Forum: RV-12/RV-12iS 01-18-2021, 10:17 PM
Replies: 5
Views: 1,725
Posted By DaveWelch
Yes but not recommended

As I recall there is enough wprk to be done fitting and installing the tail feathers that you need good visibility into that area without the cowlings in the way. The reverse is true when you fit and...
Forum: RV-14 01-18-2021, 09:58 PM
Replies: 7
Views: 2,087
Posted By DaveWelch
Pre-exercise them

After a similar experience with an installed nutplate that was a pain to replace, I vowed to run a boelubed screw thru every nutplate before riveting them in place. Preemptively Found a few more that...
Forum: RV-12/RV-12iS 12-27-2020, 07:55 PM
Replies: 7
Views: 2,471
Posted By DaveWelch
To build or...

Hi Eric,
Here’s a thought...buy a 12 and get flying. Building is a rewarding process but not necessarily the best choice for everyone as evidenced by the number of partially completed kits for sale....
Forum: RV-12/RV-12iS 11-17-2020, 10:00 PM
Replies: 6
Views: 2,571
Posted By DaveWelch
Hello Joe and Welcome! Sounds like you have the...

Hello Joe and Welcome!
Sounds like you have the skills and experience for a good running start. The specific operations you mentioned are not difficult at all, but the recommendation to attend one...
Forum: RV-12/RV-12iS 10-30-2020, 12:05 PM
Replies: 8
Views: 2,843
Posted By DaveWelch
Awww...Man! Now you tell us, Paul <grin> Sounds...

Awww...Man! Now you tell us, Paul <grin>
Sounds like a good change to the KAI Greg? (only for the pitot of course).
Besides, who wouldn't relish another opportunity to play with pro seal? (LOL)
Forum: RV-12/RV-12iS 10-29-2020, 09:24 PM
Replies: 29
Views: 11,007
Posted By DaveWelch
+1 for Gallagher

+1 for Gallagher
Forum: RV-12/RV-12iS 10-29-2020, 09:19 PM
Replies: 29
Views: 9,942
Posted By DaveWelch
Great info, and thanks for sharing your Pix and...

Great info, and thanks for sharing your Pix and experience!
Forum: RV-12/RV-12iS 10-29-2020, 07:34 PM
Replies: 29
Views: 9,942
Posted By DaveWelch
This has been terrific discussion and addressed...

This has been terrific discussion and addressed some of the questions I have that I’ve not seen addressed elsewhere on VAF! So...
Tony, how have you stiffened your instrument mount(s)? Also, I wonder...
Forum: RV-12/RV-12iS 10-28-2020, 05:29 PM
Replies: 29
Views: 9,942
Posted By DaveWelch
Design?

Good to know. Is your bracket just an “L” shape?
Would you mind sharing pic of it?
Forum: RV-12/RV-12iS 10-28-2020, 02:11 PM
Replies: 29
Views: 9,942
Posted By DaveWelch
Setup

Thanks!
I suspected as much but hadn’t seen anyone mention it. I see they sell a variety of brackets, thin material, and wondered if stiffness could be an issue.
Apparently not.
Thanks again.
Forum: RV-12/RV-12iS 10-28-2020, 01:52 PM
Replies: 29
Views: 9,942
Posted By DaveWelch
Setup?

Walt,
For prop balance Did you use some sort of bracket or adapter to mount a sensor to the Rotax Gearbox?
Thanks!
Forum: RV-12/RV-12iS 10-27-2020, 08:07 PM
Replies: 13
Views: 5,376
Posted By DaveWelch
Valid question indeed!

Thanks for asking it. I learn stuff from other’s questions that I haven’t thought of yet!
Forum: RV-12/RV-12iS 10-27-2020, 01:36 PM
Replies: 8
Views: 2,843
Posted By DaveWelch
Drill?

Just to be clear, you were only removing the mandrel not the entire rivet correct?
By "lip removed" I assume you mean cleaning up the hole as if it got slightly distorted during the pulling. (many...
Forum: RV-12/RV-12iS 10-27-2020, 01:05 PM
Replies: 8
Views: 2,843
Posted By DaveWelch
Remove the Mandrel

Hi Ken,
This is what worked for me.
First, convince wife or teenage to crawl into the Tailcone.
Have them hold a small block of wood with a Hole drilled in it over the inside of the rivet. I had them...
Forum: RV-12/RV-12iS 10-09-2020, 06:16 PM
Replies: 14
Views: 3,735
Posted By DaveWelch
Draining the tank

When I've needed to drain the fuel tank I shut off the Fuel Valve, sump the gascolator dry, remove the sump valve in the bottom of the gascolator, wipe up and let dry the small amount of fuel...
Forum: RV-12/RV-12iS 10-09-2020, 06:06 PM
Replies: 39
Views: 14,810
Posted By DaveWelch
Awl them holes!

If I may add to Gregs excellent advice...another technique I found useful was to use an Awl in holes that seemed "small". I'd insert the Awl thru the hole and firmly (but not too hard) rotate or...
Forum: RV-12/RV-12iS 10-02-2020, 10:25 PM
Replies: 33
Views: 12,134
Posted By DaveWelch
No,no Tony don’t pull anything down! And I...

No,no Tony don’t pull anything down! And I apologize for not being clearer.
It’s a great tool and I’m glad it’s working for you and others.
I’m going to sleep on it some and maybe elaborate more in...
Forum: RV-12/RV-12iS 10-02-2020, 06:15 PM
Replies: 31
Views: 13,828
Posted By DaveWelch
Niner, You buy the gas and give us a bedroom,...

Niner,
You buy the gas and give us a bedroom, we'll fly our -12 out and mod your plenum for you. <smile>
Forum: RV-12/RV-12iS 10-02-2020, 06:10 PM
Replies: 33
Views: 12,134
Posted By DaveWelch
Regarding the use of compressed air...One note of...

Regarding the use of compressed air...One note of caution...keep your face away from the gascolator bowl's exit path in case it becomes a high speed projectile. I watched a mechanic use this...
Forum: RV-12/RV-12iS 10-02-2020, 06:04 PM
Replies: 33
Views: 12,134
Posted By DaveWelch
Hi Tony, I wonder if there might be a way to...

Hi Tony,
I wonder if there might be a way to incorporate a "locking nut" to snug up against the bottom of the bowl? I know nothing about cutting threads so have no idea if any conflict with cutting...
Forum: RV Ongoing Maintenance Issues 10-01-2020, 05:02 PM
Replies: 7
Views: 1,937
Posted By DaveWelch
No problems

Hmmm...just for a bit of “balance” in the thread, I’ll chime in and offer that I’ve had no problems with the push fittings that Vans changed to a while back. Meaning the ones with the green release...
Forum: RV General Discussion/News 09-28-2020, 05:46 PM
Replies: 19
Views: 6,021
Posted By DaveWelch
Take a look at www.uniflexroof.com. We used their...

Take a look at www.uniflexroof.com.
We used their product 41-500 applied with a floor mop.
No leaks
Forum: RV-12/RV-12iS 09-20-2020, 08:49 PM
Replies: 20
Views: 5,053
Posted By DaveWelch
Law of averages? Jim, I think you mean "Murphy's...

Law of averages?
Jim, I think you mean "Murphy's law" which, in my experience, results in actual negative outcomes far in excess of any mathematically predicted average! ;)
Forum: RV General Discussion/News 09-20-2020, 08:31 PM
Replies: 18
Views: 3,934
Posted By DaveWelch
Oooooh that's good. LOL

Oooooh that's good. LOL
Forum: RV General Discussion/News 09-19-2020, 09:55 PM
Replies: 18
Views: 3,934
Posted By DaveWelch
Thanks All for ideas and suggestions I like the...

Thanks All for ideas and suggestions
I like the idea of a pocket over the wingtip.
I’m also thinking about letting the sheet edges droop over Wing Leading and tailing edges about 6 inches with some...
Forum: RV General Discussion/News 09-19-2020, 05:01 PM
Replies: 18
Views: 3,934
Posted By DaveWelch
Hey Rob, what did you end up doing for your “wing...

Hey Rob, what did you end up doing for your “wing bags”?
I want to use the same or similar just to keep dust off while in our hangar.
Sheets work until a breeze blows them off onto our gritty floor...
Forum: RV-12/RV-12iS 09-19-2020, 04:30 PM
Replies: 20
Views: 5,053
Posted By DaveWelch
This will not be what you had hoped to hear...if...

This will not be what you had hoped to hear...if you smell fuel it is leaking from somewhere.
I had the same experience with smell at opening that dissipated after airing out and in flight. Looked...
Forum: RV-12/RV-12iS 09-18-2020, 06:24 PM
Replies: 48
Views: 23,104
Posted By DaveWelch
Tony, You are an artist with words, Sir! Your...

Tony,
You are an artist with words, Sir! Your description/procedure exactly describes what has worked for me. Since new I have made a couple of minor mods that further facilitate the remove and...
Forum: RV Building Tips/Techniques 09-18-2020, 05:29 PM
Replies: 14
Views: 4,651
Posted By DaveWelch
I had good luck with just Dawn dish detergent in...

I had good luck with just Dawn dish detergent in a normal dishwashing mix with water. And its right at the bottom of the toxicity scale! Both the red and blue inks came off with minor rubbing after a...
Forum: RV General Discussion/News 09-16-2020, 10:03 PM
Replies: 14
Views: 3,515
Posted By DaveWelch
One of my friends here in Alabama advises to buy...

One of my friends here in Alabama advises to buy the hangar/location you want that includes an airplane. ��
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