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Search: Posts Made By: DHeal
Forum: RV-12/RV-12iS 05-24-2020, 04:42 PM
Replies: 3
Views: 236
Posted By DHeal
Also remember that the tailcone is a conic form. ...

Also remember that the tailcone is a conic form. The flanges of the frames are not oriented exactly 90 degrees to the skins -- close, but the flanges should be tweaked somewhat to lay flat against...
Forum: RV Building Tips/Techniques 05-22-2020, 10:40 AM
Replies: 10
Views: 638
Posted By DHeal
I found the Cleaveland Tools "Main Squeeze" to be...

I found the Cleaveland Tools "Main Squeeze" to be invaluable during my RV-12 build. It is somewhat pricey but does an excellent job and significantly reduces stress on your hands. I have a number...
Forum: RV-12/RV-12iS 05-18-2020, 06:47 PM
Replies: 2
Views: 271
Posted By DHeal
Go to: ...

Go to: https://www.flyrotax.com/engine-configuration-search.html

Input your serial number and they will tell you how that engine was configured when it left the factory.
Forum: RV-12/RV-12iS 05-16-2020, 04:01 PM
Replies: 12
Views: 681
Posted By DHeal
Harry -- Check your PM. -- DHeal

Harry -- Check your PM. -- DHeal
Forum: RV-12/RV-12iS 05-13-2020, 11:49 AM
Replies: 22
Views: 2,523
Posted By DHeal
Add: Submit state aircraft registration and pay...

Add: Submit state aircraft registration and pay state fees/taxes (if applicable).
Forum: RV-12/RV-12iS 04-29-2020, 04:43 PM
Replies: 167
Views: 26,023
Posted By DHeal
A Covid-19 related question: Is compliance with...

A Covid-19 related question: Is compliance with the nose strut /nose gear fork SBs a one-person job? If not, where during the install process are two people needed or beneficial?
Forum: RV-12/RV-12iS 04-24-2020, 03:19 PM
Replies: 8
Views: 1,103
Posted By DHeal
Sandwich the lower portion of the gear leg...

Sandwich the lower portion of the gear leg between two padded blocks of wood using a big C-clamp. Lift with a suitable jack.
Forum: RV-12/RV-12iS 04-24-2020, 12:31 PM
Replies: 29
Views: 2,723
Posted By DHeal
Try GOOGLING: "CAFE Foundation" for their web...

Try GOOGLING: "CAFE Foundation" for their web site. Then "CAFE Reports", then "Fuel Handling Safety".
Forum: RV-12/RV-12iS 04-24-2020, 05:43 AM
Replies: 29
Views: 2,723
Posted By DHeal
Here is one EAA / CAFE...

Here is one EAA / CAFE article:

https://cafe.foundation/v2/pdf_cafe_reports/Fuel%20Handling%20Safety.pdf
Forum: RV-12/RV-12iS 04-21-2020, 09:12 PM
Replies: 24
Views: 2,233
Posted By DHeal
Subpar -- You may have to trim a bit more of the...

Subpar -- You may have to trim a bit more of the upper edge to enable access to the avionics bay cover screws. Check the plans. You want to be able to completely remove the bay cover without having...
Forum: RV-12/RV-12iS 04-21-2020, 11:47 AM
Replies: 24
Views: 2,233
Posted By DHeal
Just trim those edges so that they don't rub on...

Just trim those edges so that they don't rub on the aluminum panels when the canopy is opened and closed. Be sure to leave sufficient room for final paint thickness on both parts (fiberglass and...
Forum: RV-12/RV-12iS 04-21-2020, 10:24 AM
Replies: 24
Views: 2,233
Posted By DHeal
Find a socket that fits the pivot bolt head. ...

Find a socket that fits the pivot bolt head. Wrap a couple of turns of electrical tape around the outer circumference of the socket. Put the socket on the bolt head and fill the outer gaps with...
Forum: RV-12/RV-12iS 04-16-2020, 03:24 PM
Replies: 12
Views: 1,944
Posted By DHeal
Norm: Check your PMs. -- David

Norm: Check your PMs. -- David
Forum: Electrical Systems 04-14-2020, 09:50 AM
Replies: 18
Views: 2,991
Posted By DHeal
Potential topics? OK to closely loop excess wire...

Potential topics? OK to closely loop excess wire or fold it back upon itself? Which wires should not be shortened (such as certain EGT leads, etc.)? See this discussion: ...
Forum: Glass Cockpit 04-07-2020, 09:51 AM
Replies: 5
Views: 488
Posted By DHeal
If I recall correctly, in most installations the...

If I recall correctly, in most installations the aircraft's MASTER switch (and Avionics Master switch if any) must be ON for the Dynon's backup battery(ies) to "see" the effect of the charger.
Forum: RV-12/RV-12iS 04-07-2020, 09:39 AM
Replies: 15
Views: 2,263
Posted By DHeal
I used a stout sawhorse to hold the two spar tang...

I used a stout sawhorse to hold the two spar tang ends and two stand-alone carpet sling fixtures (one for each wing) to support each wing out near its tip. The only downside of this arrangement is...
Forum: RV-12/RV-12iS 04-06-2020, 04:08 PM
Replies: 15
Views: 1,345
Posted By DHeal
Out of curiosity, did one of your troubleshooting...

Out of curiosity, did one of your troubleshooting efforts involve checking the resistance of all of the spark plugs -- both the old set and the new set? The NGK spark plugs should be 3 - 5 k ohms. ...
Forum: Tools 04-04-2020, 08:09 AM
Replies: 17
Views: 1,066
Posted By DHeal
I had a pistol-grip style pneumatic Cleco tool...

I had a pistol-grip style pneumatic Cleco tool during my RV-12 build -- 12,500 pull rivets. It was very useful especially for long runs of repetitive operations where you don't have to put it down...
Forum: RV-12/RV-12iS 03-14-2020, 09:45 PM
Replies: 8
Views: 1,012
Posted By DHeal
Put a bend in each wire that matches the...

Put a bend in each wire that matches the corresponding curve in the cowling.
Forum: RV General Discussion/News 03-14-2020, 11:39 AM
Replies: 10
Views: 872
Posted By DHeal
I have always had good results using a Unibit to...

I have always had good results using a Unibit to enlarge holes in plexiglass and Lexan. I usually have no concern if the Unibit hole is slightly larger than the plans-specified hole size -- the...
Forum: RV-12/RV-12iS 03-14-2020, 10:07 AM
Replies: 8
Views: 3,604
Posted By DHeal
I suspect that this new spark plug gap spec is...

I suspect that this new spark plug gap spec is for the new-style ROTAX-branded ($$$) spark plug. The former NGK spark plug ($) had a spec of 0.23"-0.27".
Forum: RV-12/RV-12iS 03-13-2020, 11:27 PM
Replies: 9
Views: 1,137
Posted By DHeal
Regarding your #3, the leakage could be coming...

Regarding your #3, the leakage could be coming from the coolant pump weep hole. Check your email.
Forum: RV-12/RV-12iS 03-12-2020, 10:01 AM
Replies: 8
Views: 1,100
Posted By DHeal
On my Skyview Classic (as I recall) there are two...

On my Skyview Classic (as I recall) there are two VNAV functions you can use -- have you appropriately preprogrammed these two functions?

One function can be programmed to take you to a point in...
Forum: RV-12/RV-12iS 03-10-2020, 09:39 PM
Replies: 19
Views: 1,995
Posted By DHeal
If you are looking for a really long straight...

If you are looking for a really long straight reference beam to measure toe-in/toe-out consider using two 4'-6' fluorescent light bulbs each placed against the side of each wheel hub or brake rotor. ...
Forum: RV General Discussion/News 03-02-2020, 01:47 PM
Replies: 3
Views: 336
Posted By DHeal
I add DECALIN whenever I have to use 100LL during...

I add DECALIN whenever I have to use 100LL during long cross countries in my 912 ULS -- it seems to be working for me. ROTAX apparently does not object to DECALIN's use as a lead scavenging agent....
Forum: RV-12/RV-12iS 03-02-2020, 09:38 AM
Replies: 5
Views: 1,110
Posted By DHeal
1. An extended canopy cover such as offered by...

1. An extended canopy cover such as offered by Bruce's Covers works well to keep water out of the cockpit and avionics compartment. If you have the fuel system air vent in the fuel cap make sure...
Forum: RV-12/RV-12iS 03-01-2020, 08:40 AM
Replies: 18
Views: 4,398
Posted By DHeal
Keep in mind that ambient air temperature and...

Keep in mind that ambient air temperature and tire wear can impact the results of the gauge's use. It is nevertheless a helpful approximate indicator as to tire pressure and tread condition since it...
Forum: RV-12/RV-12iS 02-08-2020, 03:25 PM
Replies: 167
Views: 26,023
Posted By DHeal
I suspect that a number of early installers of...

I suspect that a number of early installers of this SB may offer their three-drill kits for sale on this forum.
Forum: RV-12/RV-12iS 02-07-2020, 05:01 PM
Replies: 1
Views: 668
Posted By DHeal
Could possibly be the brake linings...

Could possibly be the brake linings intermittently rubbing against the brake disc. This can be caused by 1) a loose brake disc (check that it is securely fastened to the inner wheel hub), 2) loose...
Forum: RV-12/RV-12iS 02-01-2020, 05:38 PM
Replies: 20
Views: 2,999
Posted By DHeal
These drawings should answer your...

These drawings should answer your questions:

https://www.vansaircraft.com/service-information-and-revisions/36a/

https://www.vansaircraft.com/service-information-and-revisions/35/
Forum: RV-12/RV-12iS 01-25-2020, 11:41 AM
Replies: 27
Views: 3,070
Posted By DHeal
FWIW, I carry a pair of leather work gloves and a...

FWIW, I carry a pair of leather work gloves and a multi-tool (with sharp point, saw, and pliers) in my RV-12's glove box. I figure that I can more effectively deal with recalcitrant plexiglass...
Forum: RV-12/RV-12iS 01-20-2020, 08:53 AM
Replies: 9
Views: 1,078
Posted By DHeal
Keep in mind that the RV-12's main wheels have...

Keep in mind that the RV-12's main wheels have tapered roller bearings that require the tightening procedure noted above. However, the nose wheel has sealed cylindrical roller bearings and a simple...
Forum: RV-12/RV-12iS 01-17-2020, 08:20 PM
Replies: 13
Views: 1,471
Posted By DHeal
I strongly encourage you to incorporate the...

I strongly encourage you to incorporate the safety mods during construction -- even if it means drilling out some rivets. Such procrastinated things have a way of never getting done at a later date....
Forum: RV Ongoing Maintenance Issues 01-17-2020, 03:50 PM
Replies: 9
Views: 1,006
Posted By DHeal
For really awkward locations I have used...

For really awkward locations I have used heavy-duty aluminum foil (as found at your local grocery store) as a carefully formed funnel to fit the space available. If you anticipate a lot of residual...
Forum: RV-12/RV-12iS 01-12-2020, 01:56 PM
Replies: 57
Views: 8,493
Posted By DHeal
As you know, the free-swiveling nose gear creates...

As you know, the free-swiveling nose gear creates steerage issues when moving an RV-12 backward. Seems to me that I would rather have my hands on the towbar actively guiding the aircraft backward. I...
Forum: RV-12/RV-12iS 01-06-2020, 09:41 PM
Replies: 19
Views: 5,662
Posted By DHeal
https://www.vansaircraft.com/service-information-a...

https://www.vansaircraft.com/service-information-and-revisions/40/
Forum: RV-12/RV-12iS 12-22-2019, 10:20 AM
Replies: 12
Views: 2,167
Posted By DHeal
"Knock on wood": 5.5 years and 850+ hours on...

"Knock on wood": 5.5 years and 850+ hours on original OEM exhaust springs on my 912ULS. Instead of filling the interior of each spring with silicone per plans, I ran three beads of silicone down...
Forum: RV-12/RV-12iS 11-24-2019, 10:58 AM
Replies: 201
Views: 37,905
Posted By DHeal
After some 14 months and 167 hours (Hobbs) using...

After some 14 months and 167 hours (Hobbs) using primarily Shell 91 mogas with <10% ethanol, my four #861188 floats (ROTAX says these floats are the same as the latest #861189 floats) now weigh 3.6 /...
Forum: RV-12/RV-12iS 11-18-2019, 08:18 PM
Replies: 11
Views: 1,465
Posted By DHeal
The two carburetors are connected downstream by a...

The two carburetors are connected downstream by a balance tube whose purpose is to roughly equalize the manifold pressure seen by the two carbs. On the 912 the system manifold pressure of the twin...
Forum: RV-12/RV-12iS 11-15-2019, 08:23 AM
Replies: 21
Views: 2,832
Posted By DHeal
Very happy for you Paul! Looks like a terrific...

Very happy for you Paul! Looks like a terrific set-up. But you will miss all of our northern California fires......;<)
Forum: RV-12/RV-12iS 11-13-2019, 08:53 AM
Replies: 6
Views: 1,097
Posted By DHeal
Virtually all of those mods you desire will...

Virtually all of those mods you desire will significantly increase the Empty Weight of the RV-12 and result in less utility for what is already an excellent "Light Sport" design. The added Empty...
Forum: RV-12/RV-12iS 11-10-2019, 10:50 AM
Replies: 7
Views: 865
Posted By DHeal
Early kits assumed that the steel fuel sensor...

Early kits assumed that the steel fuel sensor mounting plate would be adequately grounded through the aluminum fuel tank itself (i.e., a one-wire installation). This did not prove true in all cases....
Forum: RV-12/RV-12iS 11-06-2019, 07:03 PM
Replies: 8
Views: 1,386
Posted By DHeal
I got this: Wiha 35393 5 Piece Mini L-Key Short...

I got this: Wiha 35393 5 Piece Mini L-Key Short Hex SAE Set on AMAZON. As I recall the throttle cable idle limit hex screw is 0.050 inches.
Forum: RV-12/RV-12iS 10-23-2019, 10:55 PM
Replies: 11
Views: 1,880
Posted By DHeal
After you double-click the AP Disconnect you may...

After you double-click the AP Disconnect you may see a yellow "SPD" warning depending on how you set up your AP speed limits. SkyView uses a yellow "SPD" indicator in the Top Bar to denote that the...
Forum: RV General Discussion/News 10-21-2019, 09:21 AM
Replies: 7
Views: 1,039
Posted By DHeal
To build the wings all you need is a...

To build the wings all you need is a moderately-sized table or two. Typical foldable party tables worked fine for me. Throw an old quilt or HF moving blanket on top of the tables for cushioning and...
Forum: Places To Fly...Things to See...Things to Eat 10-18-2019, 09:17 AM
Replies: 2
Views: 1,638
Posted By DHeal
This is an amazing site full of interesting...

This is an amazing site full of interesting airport facts and history. Thank you Paul for your efforts to preserve this fading aviation history.

ps -- My airport roaming days began the early 1960s...
Forum: RV-12/RV-12iS 10-17-2019, 09:56 PM
Replies: 11
Views: 1,880
Posted By DHeal
Could be that a single push of the AP Disconnect...

Could be that a single push of the AP Disconnect button (the one next to the throttle) disconnects the AP servo connections but leaves the AP working in the background (i.e., the command bars are...
Forum: RV-12/RV-12iS 10-14-2019, 10:38 PM
Replies: 8
CHT
Views: 1,387
Posted By DHeal
First and easiest thing to do is to wiggle /...

First and easiest thing to do is to wiggle / clean the CHT spade where it connects to the cylinder head probe -- as I recall the probe is located under the right rear cylinder head.. Sometimes...
Forum: RV General Discussion/News 10-09-2019, 10:09 PM
Replies: 5
Views: 1,113
Posted By DHeal
Loctite 567 -- never had any issue with it on...

Loctite 567 -- never had any issue with it on 100LL, mogas/E-10, oil, air, and hydraulic fittings.
Forum: RV-12/RV-12iS 10-06-2019, 02:16 PM
Replies: 7
Views: 1,708
Posted By DHeal
I used the same "wrap" material that I used for...

I used the same "wrap" material that I used for my instrument panel to cover up the areas you are concerned about. It looks fine after six...
Forum: RV Ongoing Maintenance Issues 09-28-2019, 12:40 PM
Replies: 9
Views: 711
Posted By DHeal
Your local ACE hardware store should have them or...

Your local ACE hardware store should have them or see:
http://www.cleavelandtool.com/Wheel-Pants/products/114/...
Forum: RV-12/RV-12iS 09-22-2019, 10:09 AM
Replies: 3
Views: 600
Posted By DHeal
After you have fluted the tail cone formers so...

After you have fluted the tail cone formers so that they lie flat on a table, be sure to tweak their circumferential flange angles so that they are reasonably aligned with the taper of the tail cone...
Forum: RV General Discussion/News 09-05-2019, 05:03 PM
Replies: 6
Views: 584
Posted By DHeal
Powder coating has the potential to hide cracks...

Powder coating has the potential to hide cracks beneath the thick coating. For this reason, powder coating is generally not recommended for such things as motor mounts, etc.
Forum: RV General Discussion/News 09-04-2019, 04:26 PM
Replies: 23
Views: 2,763
Posted By DHeal
Another "pro" for the canopy cover is security...

Another "pro" for the canopy cover is security when stored outside -- "Out of sight, out of mind". Every little bit helps.
Forum: RV-12/RV-12iS 09-01-2019, 01:21 PM
Replies: 38
Views: 7,144
Posted By DHeal
IMHO, heat under the cowl is normally not an...

IMHO, heat under the cowl is normally not an issue for the battery's health*. Next time you have the top cowl removed (takes less than two minutes) install a pigtail set of wires from the battery...
Forum: RV-12/RV-12iS 08-31-2019, 04:13 PM
Replies: 38
Views: 7,144
Posted By DHeal
While monitoring for parasitic drain at the...

While monitoring for parasitic drain at the battery (GOOGLE: Parasitic Drain) deactivate individual circuits by pulling individual fuses to identify suspect drain.

You could also disconnect the...
Forum: RV-12/RV-12iS 08-28-2019, 08:42 AM
Replies: 2
Views: 916
Posted By DHeal
Ignition Checks at Various RPMs?

Occasionally I would like to verify the independent operation of each of the ignition modules on my 912 ULS at times and RPMs other than during the usual 4,000 RPM run-up. Is there any danger to the...
Forum: RV-12/RV-12iS 08-21-2019, 12:47 PM
Replies: 13
Views: 2,175
Posted By DHeal
If you ever sell your plane your future purchaser...

If you ever sell your plane your future purchaser will greatly appreciate your installing these simple AP brackets now.
Forum: RV-12/RV-12iS 08-20-2019, 02:19 PM
Replies: 26
Views: 8,618
Posted By DHeal
The link I provided above works fine for me. You...

The link I provided above works fine for me. You could also search through Van's Aircraft's website for their various videos.
Forum: RV General Discussion/News 08-16-2019, 05:41 PM
Replies: 4
Views: 1,157
Posted By DHeal
As Mike said, get a spring-loaded automatic...

As Mike said, get a spring-loaded automatic center punch. You should grind down the diameter of the center punch's pointy-part to fit the rivet mandrel hole. In some cases you might want to support...
Forum: RV-12/RV-12iS 08-10-2019, 10:54 AM
Replies: 26
Views: 8,618
Posted By DHeal
While not directly comparable in design to the...

While not directly comparable in design to the RV-12's landing gear, here is an interesting video depicting Van's landing gear test procedure for the...
Forum: RV-12/RV-12iS 08-09-2019, 08:47 AM
Replies: 2
Views: 555
Posted By DHeal
Hi John -- The updated fuel pressure spec is in...

Hi John --
The updated fuel pressure spec is in the ROTAX 912 Installation Manual (https://www.rotax-owner.com/en/support-topmenu/engine-manuals#912-series-engines) in Section 73-00-00 (Page 5). The...
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