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Search: Posts Made By: Mich48041
Forum: RV General Discussion/News 01-18-2020, 03:59 PM
Replies: 9
Views: 445
Posted By Mich48041
I have read that worldwide, Rotax has sold more...

I have read that worldwide, Rotax has sold more aircraft engines than ALL of the other brands COMBINED!
Forum: RV-12/RV-12iS 01-15-2020, 11:35 AM
Replies: 48
Views: 4,219
Posted By Mich48041
It would be nice to have a quick easy way to lock...

It would be nice to have a quick easy way to lock the nose fork in place.
Then the plane could be pulled backwards with a boat winch.
Forum: RV-12/RV-12iS 01-15-2020, 10:21 AM
Replies: 48
Views: 4,219
Posted By Mich48041
If pulling an aircraft backwards with a reversed...

If pulling an aircraft backwards with a reversed tow bar, when the tail starts
moving in one direction, the tow bar will move in the opposite direction, thus
aggravating the situation. The idea...
Forum: RV-12/RV-12iS 01-14-2020, 09:15 AM
Replies: 34
Views: 2,593
Posted By Mich48041
The Rotax ULS alternator does not have an...

The Rotax ULS alternator does not have an electrically excited field.
Instead, It has permanent magnets embedded in the flywheel.
-
The fuel pump fuse blows because it inadvertently touches the...
Forum: RV-12/RV-12iS 01-14-2020, 08:42 AM
Replies: 3
Views: 369
Posted By Mich48041
The most likely problem is the fuel pressure...

The most likely problem is the fuel pressure sensor which is notoriously inaccurate.
Forum: Electrical Systems 01-12-2020, 09:39 PM
Replies: 10
Views: 516
Posted By Mich48041
The simplest solution is to connect the new ADS-B...

The simplest solution is to connect the new ADS-B equipment to the
transponder circuit breaker. Upsize the breaker to 5 amps if necessary.
Forum: RV-12/RV-12iS 01-08-2020, 12:43 PM
Replies: 15
Views: 1,278
Posted By Mich48041
Even a small amount of lead will ruin a catalytic...

Even a small amount of lead will ruin a catalytic converter.
Take precautions to avoid contaminating fuel that will be used in your automotive vehicle.
Burn unwanted aviation fuel in your lawnmower,...
Forum: RV-12/RV-12iS 01-03-2020, 10:09 AM
Replies: 64
Views: 20,580
Posted By Mich48041
The problem is that there are several variations...

The problem is that there are several variations of John Deere voltage regulators.
Purchase one that has the terminals marked like eBay item number:362224250586
-
And another eBay item...
Forum: Close Calls / Lessons Learned 12-30-2019, 12:03 PM
Replies: 44
Views: 4,617
Posted By Mich48041
At the local airport, a practical joker put a few...

At the local airport, a practical joker put a few drops of brake fluid on the hangar floor under someone else's aircraft brake.
Forum: RV General Discussion/News 12-25-2019, 05:56 PM
Replies: 7
Views: 477
Posted By Mich48041
Yes, the static pressure port seems to be vented...

Yes, the static pressure port seems to be vented to the interior of the case.
And the plastic case leaks at the seams.Instead of connecting
the low pressure port to the static system, I vented it to...
Forum: RV-12/RV-12iS 12-19-2019, 12:15 PM
Replies: 48
Views: 9,408
Posted By Mich48041
This pdf has a drawing showing...

This pdf has a drawing showing dimensions:
https://www.mouser.com/datasheet/2/833/E21_Series-1275431.pdf
Van's Plans page 34-11 Cherry Switch E22-50K for Canopy Latch
The switch lever hangs down in...
Forum: RV-14 12-13-2019, 05:07 AM
Replies: 10
Views: 1,313
Posted By Mich48041
According to the following two websites,...

According to the following two websites, Belleville washers should be...
Forum: RV-12/RV-12iS 12-05-2019, 08:00 AM
Replies: 10
Views: 1,207
Posted By Mich48041
No, it keeps nodding because there is too little...

No, it keeps nodding because there is too little tension of the pulling cable.
Forum: RV-12/RV-12iS 12-04-2019, 12:30 PM
Replies: 10
Views: 1,207
Posted By Mich48041
There are two stops: control stick stop and...

There are two stops: control stick stop and horizontal stabilator stop. Since the horizontal stabilator is bobbing up and down, it must not be against its stop. Quote from plans:
Forum: Electrical Systems 12-03-2019, 03:39 PM
Replies: 23
Views: 2,916
Posted By Mich48041
The voltage drop between battery negative and the...

The voltage drop between battery negative and the engine will be reduced if
another ground wire is installed. And there will be a backup in case one cable fails.
The disadvantages of a second wire...
Forum: Electrical Systems 12-03-2019, 10:08 AM
Replies: 11
Views: 1,928
Posted By Mich48041
charosenz, does your circuit require 2 switches...

charosenz, does your circuit require 2 switches or just 1 momentary push
button connected to the green wires? Can you post a schematic? Thanks
Forum: RV-12/RV-12iS 11-24-2019, 05:07 AM
Replies: 24
GPU
Views: 2,114
Posted By Mich48041
It will not hurt anything to temporarily replace...

It will not hurt anything to temporarily replace the 5 amp power outlet fuse with a 7.5 amp fuse.
Forum: RV-12/RV-12iS 11-22-2019, 01:50 PM
Replies: 12
Views: 1,362
Posted By Mich48041
BackCountry, Make sure that the headset jacks and...

BackCountry, Make sure that the headset jacks and music jack are not
touching the airframe. Those jacks must be mounted with insulating
washers. If it is desired to check with an ohmmeter, the...
Forum: RV-12/RV-12iS 11-22-2019, 09:49 AM
Replies: 30
Views: 3,088
Posted By Mich48041
Regardless of any education or courses taken, the...

Regardless of any education or courses taken, the person signing the
logbook for the condition inspection of any E-AB or E-LSA aircraft must hold a
repairman's certificate or A&P certificate. The...
Forum: Electrical Systems 11-20-2019, 06:57 PM
Replies: 4
Views: 895
Posted By Mich48041
HERE...

HERE (http://forums.matronics.com/viewtopic.php?t=16774091) is a thread that discusses Vertical Power.
Forum: Electrical Systems 11-19-2019, 08:03 PM
Replies: 9
Views: 841
Posted By Mich48041
Does the belt have proper tension?

Does the belt have proper tension?
Forum: RV-12/RV-12iS 11-19-2019, 09:18 AM
Replies: 12
Views: 1,362
Posted By Mich48041
Normally when we talk about a short, it means an...

Normally when we talk about a short, it means an unwanted
electrical connection. But mic jacks are supposed to be grounded, just not
locally at the jack. Instead of being grounded locally, mic...
Forum: RV-12/RV-12iS 11-17-2019, 03:14 PM
Replies: 15
Views: 1,533
Posted By Mich48041
Some bathroom scales shut off after a minute. ...

Some bathroom scales shut off after a minute. That does not give enough time to read the weight before it disappears.
Forum: RV-12/RV-12iS 11-16-2019, 09:32 PM
Replies: 10
Views: 1,145
Posted By Mich48041
In order to register an RV-12 as an E-LSA, it...

In order to register an RV-12 as an E-LSA, it must be built exactly per the plans using only parts supplied by Van's.
Forum: RV-12/RV-12iS 11-16-2019, 06:13 PM
Replies: 10
Views: 1,145
Posted By Mich48041
I bought some MS35206-228 from Aircraft Spruce...

I bought some MS35206-228 from Aircraft Spruce for the instrument panel. Not only are they shorter,
but the Philips heads do not strip out easily like the original screws.
Forum: RV-12/RV-12iS 11-14-2019, 06:33 PM
Replies: 62
Views: 4,907
Posted By Mich48041
Lon, Knowing that your plane is flying again...

Lon, Knowing that your plane is flying again makes my day.
Forum: Electrical Systems 11-13-2019, 07:36 PM
Replies: 2
Views: 580
Posted By Mich48041
Print labels with computer printer. Wrap wire...

Print labels with computer printer.
Wrap wire with several layers of tape to make it fat.
Slide large size clear heat shrink over terminal and over fat taped wire.
Slide label under clear heat shrink...
Forum: RV-12/RV-12iS 11-13-2019, 06:35 PM
Replies: 62
Views: 4,907
Posted By Mich48041
Lon, Is your charging system working?

Lon,
Is your charging system working?
Forum: RV-12/RV-12iS 11-13-2019, 05:39 PM
Replies: 7
Views: 740
Posted By Mich48041
Measure the voltage between airframe ground and...

Measure the voltage between airframe ground and the fuel level sender center screw.
What is that voltage?
Forum: Electrical Systems 11-12-2019, 09:23 AM
Replies: 4
Views: 389
Posted By Mich48041
Bob's E-Bus was intended to supply power to a...

Bob's E-Bus was intended to supply power to a small essential load, thus 7 amps. Essential means
different things to different people. Many builders connect loads that are essential to them but
not...
Forum: Electrical Systems 11-11-2019, 09:15 PM
Replies: 4
Views: 389
Posted By Mich48041
In your revised circuit, a diode is not needed...

In your revised circuit, a diode is not needed because there is no way
for current to flow from the E-Bus to the main power bus.
-
Fuses isolate shorts. No pilot action required.
-
Can it kill you? ...
Forum: RV-12/RV-12iS 11-11-2019, 12:13 PM
Replies: 62
Views: 4,907
Posted By Mich48041
My solution as described above restores the...

My solution as described above restores the circuit to its original condition,
electrically speaking, even though it looks completely different. Basically the
fuse is being relocated to an easily...
Forum: Electrical Systems 11-10-2019, 08:58 PM
Replies: 6
Views: 382
Posted By Mich48041
Download THIS...

Download THIS (https://www.dynonavionics.com/includes/guides/103488-000%20-%20REV%20B%20-%20WIRING%20DIAGRAM%20TYPICAL%20HDX%20DUAL%20DISPLAY.pdf) document from Dynon. Page 4 shows how to connect...
Forum: RV-12/RV-12iS 11-10-2019, 06:08 PM
Replies: 62
Views: 4,907
Posted By Mich48041
The fact that master switch light is not working...

The fact that master switch light is not working confirms that the 1 amp fuse
is blown. Ignition A and B switches should continue to light up because
they do not get power from the blown fuse. ...
Forum: RV-12/RV-12iS 11-10-2019, 12:33 PM
Replies: 8
Views: 961
Posted By Mich48041
Remove some of the screws with the canopy closed,...

Remove some of the screws with the canopy closed, and remove the rest with the canopy open.
Forum: RV-12/RV-12iS 11-10-2019, 11:15 AM
Replies: 7
Views: 740
Posted By Mich48041
The most likely cause of the problem is poor...

The most likely cause of the problem is poor grounding of the fuel level sensor steel mounting plate. With EFIS turned on, measure the voltage between the airframe and the fuel level sensor steel...
Forum: RV-12/RV-12iS 11-10-2019, 07:32 AM
Replies: 16
Views: 2,635
Posted By Mich48041
HERE...

HERE (https://www.hydraulicspneumatics.com/maintenance/cavitation-or-aeration-you-can-hear-difference) is an article that explains cavitation.
Forum: RV-12/RV-12iS 11-09-2019, 07:20 PM
Replies: 62
Views: 4,907
Posted By Mich48041
Regulator pin C must have battery voltage on it...

Regulator pin C must have battery voltage on it before the regulator will turn on.
Do not buy a new AV-50001 or pay to have it fixed. Install an inline fuse as
described above. Like I said, the...
Forum: RV-12/RV-12iS 11-09-2019, 07:08 PM
Replies: 62
Views: 4,907
Posted By Mich48041
The AV50001 and AV50002 are not Dynon products. ...

The AV50001 and AV50002 are not Dynon products. They are Van's.
1. NO
2. Bad fuses may be hard to spot, especially a 1 amp fuse. Best to check with a meter.
3. Yes, most likely. My plane is...
Forum: RV-12/RV-12iS 11-09-2019, 06:54 PM
Replies: 62
Views: 4,907
Posted By Mich48041
Fuses smaller than 3 amps do not light up when...

Fuses smaller than 3 amps do not light up when blown, at least the ones that Van's sells.
Forum: RV-12/RV-12iS 11-09-2019, 06:51 PM
Replies: 62
Views: 4,907
Posted By Mich48041
If that 1 amp fuse for regulator terminal "C"...

If that 1 amp fuse for regulator terminal "C" proves to be very difficult to
replace, some people have elected to jumper it by connecting regulator
terminals B & C. Doing that is a bad idea because...
Forum: RV-12/RV-12iS 11-09-2019, 05:23 PM
Replies: 62
Views: 4,907
Posted By Mich48041
When you realize where that fuse is located, your...

When you realize where that fuse is located, your day might not be so bright.
Forum: RV-12/RV-12iS 11-09-2019, 05:21 PM
Replies: 62
Views: 4,907
Posted By Mich48041
I have an early RV-12 with the Dynon D-180. ...

I have an early RV-12 with the Dynon D-180. Van's has made changes to the circuit board a couple of times since then.
Assuming that you have a later version, the fuse is probably located inside of...
Forum: RV-12/RV-12iS 11-09-2019, 04:49 PM
Replies: 62
Views: 4,907
Posted By Mich48041
The problem is that the voltage on regulator...

The problem is that the voltage on regulator terminal "C" is supposed to be equal to battery voltage, but it is not. The fuse is likely blown.
Forum: Electrical Systems 11-06-2019, 08:19 PM
Replies: 20
Views: 1,403
Posted By Mich48041
The voting choice "On the Battery" means to...

The voting choice "On the Battery" means to measure all current into or out of the battery EXCEPT starter current.
I vote for none because if it is not installed, it can not fail or make sparks...
Forum: RV-12/RV-12iS 11-06-2019, 03:30 PM
Replies: 14
Views: 2,196
Posted By Mich48041
John, read THIS...

John, read THIS (http://www.vansairforce.com/community/showpost.php?p=927539&postcount=5) post. Also read page 2-2 of the FlightDEK-D180 Installation Guide.
Mike M. gives excellent advice. But...
Forum: Electrical Systems 11-01-2019, 12:14 PM
Replies: 9
Views: 1,079
Posted By Mich48041
A couple of years ago I asked the wire stripper...

A couple of years ago I asked the wire stripper salesman at OSH if his tool
works on Tefzel. He said, "OH no, it will not work work with Tefzel."
Evidently his wire insulation is a soft material,...
Forum: RV-12/RV-12iS 10-31-2019, 01:04 PM
Replies: 36
Views: 4,951
Posted By Mich48041
Electrical loads always draw current from the...

Electrical loads always draw current from the source with the highest
voltage. If electrical system voltage is 13.3 or higher, then it is impossible for
the battery to be supplying any current...
Forum: RV-12/RV-12iS 10-30-2019, 07:18 PM
Replies: 36
Views: 4,951
Posted By Mich48041
NinerBikes, Since the voltage is normal, the...

NinerBikes,
Since the voltage is normal, the ammeter display is erroneous for some reason.
Forum: RV-12/RV-12iS 10-30-2019, 07:04 PM
Replies: 36
Views: 4,951
Posted By Mich48041
Connecting spare batteries in parallel with the...

Connecting spare batteries in parallel with the aircraft battery will NOT recharge the aircraft battery.
_With the master switch OFF, disconnect the negative battery cable. Now measure the...
Forum: RV-12/RV-12iS 10-30-2019, 08:04 AM
Replies: 13
Views: 1,679
Posted By Mich48041
Ray Community Airport 57D is a friendly place. I...

Ray Community Airport 57D is a friendly place. I can not speak for the other two RV-12 pilots, but I would be willing to give a ride, perhaps this weekend if it stops raining.
Forum: RV-12/RV-12iS 10-29-2019, 09:29 PM
Replies: 4
Views: 707
Posted By Mich48041
HERE...

HERE (http://www.vansairforce.com/community/showthread.php?t=152596) is a thread related to the SkyView backup battery.
Forum: RV-12/RV-12iS 10-28-2019, 08:36 PM
Replies: 13
Views: 1,679
Posted By Mich48041
There are two RV-12s based at 57D and one other...

There are two RV-12s based at 57D and one other that drops in occasionally.
Forum: Electrical Systems 10-25-2019, 07:16 PM
Replies: 24
Views: 3,041
Posted By Mich48041
Here is a picture showing how to connect the...

Here is a picture showing how to connect the wires.
Without having the parts in hand, I had to make assumptions.
I know that is risky.
I assume that the top of the picture is up.
Anyone feel free to...
Forum: RV-12/RV-12iS 10-24-2019, 06:49 PM
Replies: 64
Views: 20,672
Posted By Mich48041
The Rotax alternator has no moving parts (unless...

The Rotax alternator has no moving parts (unless you count the engine flywheel). The alternator consists of some stationary coils of wire connected in series. The coils seldom fail. If there is...
Forum: Electrical Systems 10-01-2019, 06:19 PM
Replies: 4
Views: 877
Posted By Mich48041
It would help if you posted a link to the switch...

It would help if you posted a link to the switch datasheet. Without more info, all I can suggest is to run a separate positive wire to power the LEDs. Are the LEDs designed to be powered by 12...
Forum: RV-12/RV-12iS 10-01-2019, 03:50 PM
Replies: 7
Views: 962
Posted By Mich48041
If Van's control board AV-50000A is revision 2 or...

If Van's control board AV-50000A is revision 2 or later, then a 5K ohm pot may be connected to pins 6 & 7 of the switch module D-Sub on the AV-50000A.
So the first step is to determine the revision...
Forum: RV-12/RV-12iS 10-01-2019, 08:23 AM
Replies: 7
Views: 962
Posted By Mich48041
My RV-12 has a Dynon D-180, so I am not familiar...

My RV-12 has a Dynon D-180, so I am not familiar with the Skyview system.
But here are suggestions:
Go into the Skyview settings and change the dimmer output.
Try to find an adjustment pot on the...
Forum: RV-12/RV-12iS 09-29-2019, 03:50 PM
Replies: 10
Views: 2,316
Posted By Mich48041
If you want a heavier plane, how about an RV-14?

If you want a heavier plane, how about an RV-14?
Forum: RV-12/RV-12iS 09-25-2019, 09:34 PM
Replies: 11
Views: 1,020
Posted By Mich48041
I went on a long cross country flight once with...

I went on a long cross country flight once with the autopilot turned on. There were scattered clouds that caused up and down drafts. The D-180 was constantly asking me to adjust the trim so the...
Forum: RV-12/RV-12iS 09-25-2019, 09:19 PM
Replies: 22
Views: 3,132
Posted By Mich48041
The battery contactor uses about 3/4 amp more or...

The battery contactor uses about 3/4 amp more or less. If you touch a contactor after it has been on for a while, it will be very warm, maybe hot. No, there is no phantom load when the master...
Forum: RV-12/RV-12iS 09-25-2019, 06:55 PM
Replies: 22
Views: 3,132
Posted By Mich48041
Connect the spare battery to the load side of the...

Connect the spare battery to the load side of the master contactor and leave the master switch off. That will eliminate 3/4 of an amp that the battery contactor draws.
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