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Search: Posts Made By: DHeal
Forum: Glass Cockpit Today, 09:51 AM
Replies: 3
Views: 113
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 Today, 09:39 AM
Replies: 15
Views: 1,582
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 Yesterday, 04:08 PM
Replies: 14
Views: 666
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: VAF Classifieds (posts in here deleted after 30 days) 04-04-2020, 11:42 AM
Replies: 5
Views: 326
Posted By DHeal
You might try the Sonex Aircraft people -- they...

You might try the Sonex Aircraft people -- they used to sell a simple set of pop-rivet dimple dies that used a nail and a rivet puller.
Forum: Tools 04-04-2020, 08:09 AM
Replies: 17
Views: 704
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: 814
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: 665
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: 3,324
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: 897
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: 956
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: 1,704
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: 262
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: 1,014
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: 3,752
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: 162
Views: 21,140
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: 558
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: 2,624
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: 2,865
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: 984
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: 1,358
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: 951
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: 7,860
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: 5,466
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: 1,986
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: 188
Views: 34,163
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: 1,388
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: 2,620
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: 1,020
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: 812
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: 1,331
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: 1,701
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: 953
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: 1
Views: 1,203
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: 1,701
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: 1,282
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: 1,035
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: 1,562
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: 657
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: 569
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: 537
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: 2,660
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: 6,146
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: 6,146
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: 879
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: 2,088
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: 8,461
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: 1,117
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: 8,461
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: 537
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...
Forum: ADS-B 08-02-2019, 08:47 AM
Replies: 5
Views: 1,184
Posted By DHeal
I have had much better tracking with: ...

I have had much better tracking with: www.flightradar24.com
Flightaware.com doesn't seem to pick up the majority of my flights. I am not a paid subscriber to either site.
Forum: RV General Discussion/News 07-31-2019, 05:12 PM
Replies: 5
Views: 763
Posted By DHeal
I think most right-handed people would...

I think most right-handed people would instinctively prefer to "PULL open" the buckle release lever -- so female on left and male on right. Southpaws are out of luck I guess.
Forum: RV-12/RV-12iS 07-22-2019, 01:36 PM
Replies: 22
Views: 4,566
Posted By DHeal
I suspect that you are looking for a suitable...

I suspect that you are looking for a suitable container to haul Mogas from an enroute gas station to your RV-12's stock 20-gallon fuel tank (i.e., NOT for actual storage in the baggage compartment). ...
Forum: RV-12/RV-12iS 07-15-2019, 06:18 PM
Replies: 5
Views: 1,246
Posted By DHeal
My "breather hole-style" cap has been adjusted to...

My "breather hole-style" cap has been adjusted to be a slightly snug push fit on initial installation. After the lever is depressed the cap is very securely retained in the fuel port -- there should...
Forum: RV-12/RV-12iS 07-14-2019, 06:22 PM
Replies: 21
Views: 3,403
Posted By DHeal
IMHO, one forum for both. Be sure to ID your...

IMHO, one forum for both. Be sure to ID your RV-12 type in thread title and signature line.
Forum: RV-12/RV-12iS 07-08-2019, 03:44 PM
Replies: 48
Views: 10,114
Posted By DHeal
Yes -- IMHO adjusting the shim is preferred. If...

Yes -- IMHO adjusting the shim is preferred. If you choose to shave the nylon plate be sure that sufficient material remains to adequately capture and retain the metal latch arm. On my RV-12 I find...
Forum: RV-12/RV-12iS 07-08-2019, 10:06 AM
Replies: 48
Views: 10,114
Posted By DHeal
Another variable is whether or not the original...

Another variable is whether or not the original builder (or subsequent owners) applied non-OEM weather-stripping between the canopy's aft undersurface and the corresponding mating surface of the...
Forum: RV-12/RV-12iS 06-24-2019, 12:20 PM
Replies: 7
Views: 1,578
Posted By DHeal
Stop drill it and put a decal over it.

Stop drill it and put a decal over it.
Forum: RV-12/RV-12iS 06-10-2019, 08:14 PM
Replies: 4
Views: 893
Posted By DHeal
You might find it advantageous to remove the air...

You might find it advantageous to remove the air filter on the right-side to provide sufficient room to pull the carb out of its socket. The left-side carb can be removed from its socket with its...
Forum: RV-12/RV-12iS 06-05-2019, 01:26 PM
Replies: 20
Views: 5,265
Posted By DHeal
I suspect that this pipe is a Van's...

I suspect that this pipe is a Van's vendor-supplied part unique to the RV-12 series. Wouldn't it be less costly (as a user option) for the vendor to weld a patch over the weak area of the EX-00017...
Forum: RV-12/RV-12iS 06-03-2019, 03:16 PM
Replies: 4
Views: 924
Posted By DHeal
I suggest that you become very familiar with the...

I suggest that you become very familiar with the Operator's Manual, Line Maintenance Manual, and Heavy Maintenance Manual for your ROTAX 912 ULS...
Forum: Safety 05-31-2019, 02:20 PM
Replies: 6
Views: 1,667
Posted By DHeal
And if the paint shop stripped/pressure-washed...

And if the paint shop stripped/pressure-washed your landing gear be sure to repack your wheel bearings before moving the aircraft. Had this problem with two aircraft at two different paint shops...
Forum: RV-12/RV-12iS 05-31-2019, 02:16 PM
Replies: 5
Views: 759
Posted By DHeal
I assume that you are talking about an...

I assume that you are talking about an RV-12/ROTAX 912 ULS. When I had to replace one of my EGT probes last year I went to Dynon's website (currently inop) and ordered a replacement probe (@ $30 as...
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