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Search: Posts Made By: DHeal
Forum: RV-12 Yesterday, 06:51 PM
Replies: 7
Views: 321
Posted By DHeal
The RV-12 is a terrific kit and a terrific...

The RV-12 is a terrific kit and a terrific airplane. The nascent S-21 looks very appealing and RANS is a long-time premier kit company. I suspect you will be happy with either one. Be brutally...
Forum: RV-12 11-04-2018, 09:19 PM
Replies: 27
Views: 4,188
Posted By DHeal
See: ...

See: https://legacy.rotaxowner.com/si_tb_info/serviceletter/sl-912-016-r1.pdf

That is ROTAX's Service Letter SL-912-016R1.

Section 3.1.3 pertains to MP and appropriate operating limits.
Forum: My RV Build Project 10-29-2018, 01:50 PM
Replies: 11
Views: 1,434
Posted By DHeal
One assumes that you have also installed the...

One assumes that you have also installed the automatic thermostatically-controlled heater/cooler coils inside the cup holders.
Forum: RV-12 10-29-2018, 12:56 PM
Replies: 12
Views: 1,315
Posted By DHeal
I too am in the "anti-trickle charger" crowd. ...

I too am in the "anti-trickle charger" crowd. Trickle-chargers have their place but not IMHO on an Odyssey battery -- I think they can do more harm than good. Of course, the best charger is to fly...
Forum: RV-12 10-27-2018, 05:46 PM
Replies: 7
Views: 793
Posted By DHeal
What kind of fuel were you using? 100LL? Auto...

What kind of fuel were you using? 100LL? Auto 91 with 10% ethanol? Auto 91 without ethanol?
Forum: RV-12 10-23-2018, 10:19 PM
Replies: 33
Views: 2,821
Posted By DHeal
Try this link: ...

Try this link:

https://cafe.foundation/v2/main_home.php

or GOOGLE: Cafe Foundation
Forum: RV-12 10-23-2018, 09:37 PM
Replies: 33
Views: 2,821
Posted By DHeal
Some info for your...

Some info for your consideration:

https://cafe.foundation/v2/pdf_cafe_reports/Fuel%20Handling%20Safety.pdf

Also, I have found the Mr. Funnel fuel funnel to be difficult to use due to the angle of...
Forum: RV-12 10-19-2018, 10:05 AM
Replies: 58
Views: 15,040
Posted By DHeal
Great stuff Mike! Thanks!!

Great stuff Mike! Thanks!!
Forum: RV Ongoing Maintenance Issues 10-13-2018, 06:13 PM
Replies: 6
Views: 540
Posted By DHeal
How about this video? ...

How about this video? https://www.youtube.com/watch?v=5RcjEd7lR4Q
Forum: Traditional Aircraft Engines 10-13-2018, 06:07 PM
Replies: 28
Views: 4,385
Posted By DHeal
Many years ago, the Lyc O-360 in our Archer had a...

Many years ago, the Lyc O-360 in our Archer had a wrist pin wear issue on one cylinder. When we removed the primary oil screen for inspection during the Annual, we observed dozens of very small,...
Forum: RV-12 10-08-2018, 06:42 PM
Replies: 33
Views: 4,391
Posted By DHeal
FYI -- data points (all weights are new / dry /...

FYI -- data points (all weights are new / dry / fresh out of the box):

-- Old-Style ROTAX #861-184 floats = 2.8 grams each
-- New-Style ROTAX #861-188 floats = 3.2 grams each
-- MS 80-430 floats...
Forum: RV-12 10-06-2018, 05:37 PM
Replies: 12
Views: 1,143
Posted By DHeal
Make sure that when your CHOKE ("Starting Carb"...

Make sure that when your CHOKE ("Starting Carb" in ROTAX parlance) is in the OFF position that the choke lever arms are resting solidly against their stops and there is a wee bit of equal slack in...
Forum: RV-12 09-30-2018, 07:38 PM
Replies: 2
Views: 633
Posted By DHeal
Look through the appropriate wiring diagram for...

Look through the appropriate wiring diagram for you RV-12 (See: http://www.vansaircraft.com/public/downloads.htm) and trace where the landing lights/strobe wires are positioned near the RPM sense...
Forum: RV-12 09-28-2018, 10:16 AM
Replies: 142
Views: 20,854
Posted By DHeal
Right after I sent my double-cracked original hub...

Right after I sent my double-cracked original hub cover to Sensenich they sent me (and I paid for) the newer "D1" hub cover. The D1 cover looks somewhat the same as the original cover but is thicker...
Forum: RV-12 09-22-2018, 10:38 PM
Replies: 33
Views: 4,391
Posted By DHeal
In my experience: Slight smell of fuel in the...

In my experience: Slight smell of fuel in the cockpit during climb, drip or two of fuel from carb vent tube onto pan, and perhaps a slightly rough idle.
Forum: RV-12 09-16-2018, 07:37 PM
Replies: 35
Views: 6,831
Posted By DHeal
How about this: ...

How about this:

http://www.vansaircraft.com/pdf/revisions/RV-12/RV-12_46.pdf

Pages 46-19 to 46-21
Forum: RV General Discussion/News 09-15-2018, 09:57 AM
Replies: 3
Views: 589
Posted By DHeal
I like to leave the oil inspection door open to...

I like to leave the oil inspection door open to facilitate the removal of residual heat from the engine compartment after a flight. I have read that engine heat emissions increase somewhat after...
Forum: RV-12 09-10-2018, 10:05 AM
Replies: 33
Views: 4,391
Posted By DHeal
Per mark@msacarbs.com: "You are correct there...

Per mark@msacarbs.com:

"You are correct there are 2 floats included in the MS80-430 float kit."
Forum: Alternative Engines 09-09-2018, 09:44 PM
Replies: 126
Views: 17,799
Posted By DHeal
Your video links looks great!

Your video links looks great!
Forum: RV General Discussion/News 09-08-2018, 08:17 PM
Replies: 27
Views: 2,210
Posted By DHeal
It is my understanding that being listed as a...

It is my understanding that being listed as a Named Pilot or Additional Pilot does not afford the NP or AP any guaranteed level of coverage -- it only serves to protect the Insured. If the NP or AP...
Forum: RV-12 09-07-2018, 03:07 PM
Replies: 33
Views: 4,391
Posted By DHeal
I sent a note to MS asking if this price was for...

I sent a note to MS asking if this price was for a "pair". We'll see.
Forum: RV-12 09-07-2018, 11:58 AM
Replies: 33
Views: 4,391
Posted By DHeal
New Marvel Schebler MS80-430 Floats

If you, like me, have a collection of sunken Bing carb floats from your ROTAX 912, this alternative may be something to consider:

https://msacarbs.com/news/rotax_bing_float/
Forum: RV General Discussion/News 09-05-2018, 03:52 PM
Replies: 13
Views: 1,503
Posted By DHeal
OK, we've covered the "sweat" issue. Now, how...

OK, we've covered the "sweat" issue. Now, how about the "blood" and "tears" aspect?
Forum: RV-12 08-27-2018, 10:57 AM
Replies: 11
Views: 2,011
Posted By DHeal
Your prop pitch adjustment will be much easier...

Your prop pitch adjustment will be much easier and far more accurate if you use an electronic level to set your pitch angles. There is much written here in this RV-12 forum regarding the appropriate...
Forum: RV-12 08-27-2018, 10:38 AM
Replies: 5
Views: 976
Posted By DHeal
IMHO, wait until the last possible convenient...

IMHO, wait until the last possible convenient time to join the tail cone and fuselage together -- even at the hangar if that suits your space/transportation needs. I did as John above did -- I...
Forum: Interiors 08-26-2018, 11:02 AM
Replies: 7
Views: 971
Posted By DHeal
Flammabiity? Just sayin'....

Flammabiity? Just sayin'....
Forum: RV General Discussion/News 08-26-2018, 10:55 AM
Replies: 19
Views: 2,642
Posted By DHeal
FWIW, here is what I am doing to address dynamic...

FWIW, here is what I am doing to address dynamic lateral trim on my RV-12:

1. Ensure that the aircraft is properly rigged i/a/w Van's plans -- Done.

2. Bias the lateral trim using squeezed TE...
Forum: RV-12 08-24-2018, 10:22 PM
Replies: 3
Views: 776
Posted By DHeal
I purchased some black plastic end-plugs that fit...

I purchased some black plastic end-plugs that fit the RV-12 step ends perfectly. See my old VAF forum entry below:

If you want to fill those somewhat unsightly tooling holes on your RV-12's wing...
Forum: RV General Discussion/News 08-17-2018, 06:50 PM
Replies: 11
Views: 932
Posted By DHeal
I have drilled a series of closely-spaced small...

I have drilled a series of closely-spaced small holes (@ 1/16" dia.) along the interior of the planned hole and then used small files to work the rough edge up to the finished configuration. You'll...
Forum: RV-12 08-04-2018, 09:19 AM
Replies: 2
Views: 790
Posted By DHeal
It is my understanding that the warm air within...

It is my understanding that the warm air within the cowling is an important factor in reducing the potential for carb icing within the two CV carbs. Since there is no additional "carb heat"...
Forum: RV-12 07-29-2018, 11:46 AM
Replies: 142
Views: 20,854
Posted By DHeal
Jack -- The Rev D1 cover looks like it will work...

Jack -- The Rev D1 cover looks like it will work fine for me -- an easy fix. Check your PMs. -- David

ps -- I assume you have seen Sensenich's FAQ document for their SB -- it answers many...
Forum: RV-12 07-27-2018, 10:11 PM
Replies: 142
Views: 20,854
Posted By DHeal
Jack asked: "Has anybody found a crack (apart...

Jack asked: "Has anybody found a crack (apart from the one that started it all)? I’ve ordered a replacement cover plate to avoid the repetitive inspections."

Yes, my original circa 2013 / 650+ hour...
Forum: RV-12 07-17-2018, 04:05 PM
Replies: 4
Views: 1,022
Posted By DHeal
I have been using 107,510 as my K-factor for the...

I have been using 107,510 as my K-factor for the past 300+ hours. This value tracks well with my actual fuel use. My flights typically average about one hour in length -- if you take many...
Forum: RV General Discussion/News 07-15-2018, 06:22 PM
Replies: 11
Views: 1,249
Posted By DHeal
Perhaps you should check the "dry tappet...

Perhaps you should check the "dry tappet clearance" -- an excessively tight valve train on one cylinder was the cause of an intermittent misfire on one of my O-360s.
Forum: RV-12 07-14-2018, 06:05 PM
Replies: 142
Views: 20,854
Posted By DHeal
I preface the following by saying that I have not...

I preface the following by saying that I have not yet heard back from Sensenich as to their lab verification of the two "cracks" I believe I found in my black-anodized #2AOR5 hub cover. That being...
Forum: RV-12 07-12-2018, 10:39 PM
Replies: 142
Views: 20,854
Posted By DHeal
After I removed the spinner I looked at the small...

After I removed the spinner I looked at the small bit of hub cover that was visible behind the still-installed front spinner plate -- I saw what appeared to be a very small crack located near one of...
Forum: RV-12 07-12-2018, 03:39 PM
Replies: 142
Views: 20,854
Posted By DHeal
Sensenich prop torque values and maintenance...

Sensenich prop torque values and maintenance requirements are also listed in the applicable Sensenich Installation Instructions document at:

http://www.sensenich.com/documents/

Also, be sure that...
Forum: RV-12 07-12-2018, 10:10 AM
Replies: 142
Views: 20,854
Posted By DHeal
I inspected my front hub cover i/a/w the SB and...

I inspected my front hub cover i/a/w the SB and found what appeared to be two cracks in the areas indicated in the SB -- the cracks are very difficult to see. I shipped the hub to Sensenich for...
Forum: RV-12 07-11-2018, 09:30 AM
Replies: 15
Views: 2,337
Posted By DHeal
A data point: My white-painted RV-12 with...

A data point: My white-painted RV-12 with unfilled rivet heads now has 650 hours over 4 years. It is hangared and has never been washed (other than the occasional wipe-down with a damp rag and "dry...
Forum: RV-12 07-10-2018, 07:42 PM
Replies: 142
Views: 20,854
Posted By DHeal
FYI: New SB 18-07-05 on RV-12 Sensenich Props

FYI: New SB 18-07-05 on RV-12 Sensenich Props

http://www.vansaircraft.com/pdf/service_bulletins/sb18-07-05.pdf
Forum: RV General Discussion/News 07-09-2018, 03:41 PM
Replies: 9
Views: 1,157
Posted By DHeal
Otis -- Install aluminum bolts at ends of gas...

Otis -- Install aluminum bolts at ends of gas struts to serve as break-aways?? -- David
Forum: RV-6/6A 07-08-2018, 07:18 PM
Replies: 20
Views: 3,732
Posted By DHeal
Heated pitot, backup primary instrumentation...

Heated pitot, backup primary instrumentation (gauges and avionics) and adequate electrical system are appropriate. You will find that a good autopilot (including altitude hold) really aids in...
Forum: RV-12 07-07-2018, 04:15 PM
Replies: 34
Views: 3,806
Posted By DHeal
This may be what is being referred...

This may be what is being referred to:

http://www.vansairforce.com/community/showthread.php?t=120649&highlight=purple

http://www.dynonavionics.com/bulletins/support_bulletin_120414.php

I tried...
Forum: RV-12 06-28-2018, 10:58 PM
Replies: 11
Views: 2,541
Posted By DHeal
Dealing with the presence of the belly-mounted...

Dealing with the presence of the belly-mounted comm antenna will likely be a bit of a challenge.
Forum: Safety 06-27-2018, 02:34 PM
Replies: 10
Views: 4,391
Posted By DHeal
I have often found it easier to see the "shadows"...

I have often found it easier to see the "shadows" of power poles rather than the poles themselves. Also, power poles tend to run parallel to roadway edges but not always -- lines crossing roadways...
Forum: RV-12 06-24-2018, 09:22 AM
Replies: 11
Views: 2,541
Posted By DHeal
Here's one thread: ...

Here's one thread:

http://www.vansairforce.com/community/showthread.php?t=121914&highlight=lift

If I were to do this, I guess I would build a relatively flat wooden cradle that supported the...
Forum: Traditional Aircraft Engines 06-18-2018, 12:21 PM
Replies: 21
Views: 2,728
Posted By DHeal
Adequate fuel flow from tanks to carb? Fuel tank...

Adequate fuel flow from tanks to carb? Fuel tank vent system OK? Dry tappet clearances OK? Same rough issue on each mag and/or on both?
Forum: RV-12 06-16-2018, 07:44 PM
Replies: 10
Views: 2,397
Posted By DHeal
The strength and direction of winds aloft are...

The strength and direction of winds aloft are also important when flying in mountainous areas. Maintaining an appropriate altitude above ridge lines during high wind conditions is prudent. The low...
Forum: RV-12 06-07-2018, 03:04 PM
Replies: 15
Views: 1,903
Posted By DHeal
What Tony said! $100 or less and 5 minutes for a...

What Tony said! $100 or less and 5 minutes for a VFR check. Read the Dynon manual so that YOU know what needs to be done -- frequently the tech doesn't know how to conduct a VFR check on a Dynon.
Forum: RV-12 06-06-2018, 11:19 AM
Replies: 12
Views: 2,824
Posted By DHeal
Jim -- I trust that you know NOT to turn the...

Jim --

I trust that you know NOT to turn the ROTAX 912's propeller backwards any significant amount. Doing so has the potential to introduce air into the oil system -- not a good thing.

BTW,...
Forum: RV-12 06-06-2018, 09:41 AM
Replies: 12
Views: 2,824
Posted By DHeal
First off, be sure that there is oil in the...

First off, be sure that there is oil in the engine. :p

Second, be sure you are pulling the prop through relatively slowly with a 2-3 second pause at the point of each cylinder's maximum compression...
Forum: RV-12 06-04-2018, 07:59 PM
Replies: 21
Views: 2,991
Posted By DHeal
Doug -- Sure you can do that. I just didn't want...

Doug -- Sure you can do that. I just didn't want an extra wire in there. In 640 hours I haven't needed to jump the PC-680 so an "emergency jump" fix serves me OK. A plug-in mini-jumper connection...
Forum: RV-12 06-03-2018, 10:00 AM
Replies: 21
Views: 2,991
Posted By DHeal
I've thought about carrying one of those little...

I've thought about carrying one of those little lithium 12-volt battery packs, but I don't have any real world knowledge as to whether or not they would be useful starting up a 912.

Instead, I...
Forum: RV Ongoing Maintenance Issues 05-25-2018, 07:17 PM
Replies: 12
Views: 2,818
Posted By DHeal
If you do your own re-lining be sure to acquire...

If you do your own re-lining be sure to acquire the type of lining rivet setting tool that uses a screw for setting the rivets -- do not use the type of riveter that requires a hammer. As I recall,...
Forum: RV-12 05-21-2018, 10:01 PM
Replies: 2
Views: 1,032
Posted By DHeal
The pre-bent tab I received from Van's was...

The pre-bent tab I received from Van's was perfect right out of the box for my rudder trim needs. When you install the tab, sneak up on the pull-rivets located near the rudder's trailing edge --...
Forum: RV-12 05-21-2018, 12:28 PM
Replies: 8
Views: 1,622
Posted By DHeal
Yup, like Alex said.

Yup, like Alex said.
Forum: Traditional Aircraft Engines 05-19-2018, 06:12 PM
Replies: 5
Views: 1,521
Posted By DHeal
Good video on aircraft fuel pumps...

Good video on aircraft fuel pumps at:

https://www.youtube.com/watch?v=_BfwuUjh_lA

Spring is very stiff, doesn't move much and is hard to move manually.
Forum: RV General Discussion/News 05-17-2018, 03:20 PM
Replies: 4
Views: 567
Posted By DHeal
Rebuild your broken DC headset with a "Headsets,...

Rebuild your broken DC headset with a "Headsets, Inc." ANR conversion kit -- easy conversion, relatively inexpensive and works great.
Forum: RV-12 05-16-2018, 10:51 AM
Replies: 18
Views: 3,217
Posted By DHeal
I purchased a Cleaveland "Main Squeeze" for my...

I purchased a Cleaveland "Main Squeeze" for my RV-12 project. It's pricey but was indispensable for my build. I have two other manually-operated squeezers that now just sit in my tool drawer while...
Forum: RV-12 05-15-2018, 09:37 AM
Replies: 29
Views: 6,077
Posted By DHeal
I would suggest that the aluminum surfaces...

I would suggest that the aluminum surfaces underlying any such foam blocks be coated with corrosion-resistant paint -- as it appears Jack above (or is it down-under?) has done. Over a period of...
Forum: RV-12 05-13-2018, 02:43 PM
Replies: 9
Views: 1,636
Posted By DHeal
I also rotate the plastic bushings whenever I am...

I also rotate the plastic bushings whenever I am in their neighborhood -- like during the annual Condition Inspection, etc.
Forum: RV General Discussion/News 05-11-2018, 09:39 AM
Replies: 5
Views: 912
Posted By DHeal
I strongly suspect that it is your puller, not...

I strongly suspect that it is your puller, not the rivets that is the problem. I pulled some 12,000+ LP4-3 rivets when building my RV-12 and don't recall ever having a single rivet setting failure...
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