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Search: Posts Made By: Mich48041
Forum: RV-12/RV-12iS 03-22-2020, 02:12 PM
Replies: 13
Views: 974
Posted By Mich48041
Connecting voltage regulators in parallel is not...

Connecting voltage regulators in parallel is not a good idea. One of the regulators
will conduct most of the current due to small differences in regulator set points.
When mounting a...
Forum: Electrical Systems 03-19-2020, 04:49 PM
Replies: 3
Views: 414
Posted By Mich48041
As long as each diode is capable of carrying the...

As long as each diode is capable of carrying the full load by itself,
there is no concern about connecting two diodes in parallel.
Forum: Electrical Systems 03-05-2020, 08:50 PM
Replies: 2
Views: 361
Posted By Mich48041
Here is a TROUBLESHOOTING GUIDE...

Here is a TROUBLESHOOTING GUIDE (https://bandc.com/wp-content/uploads/2018/05/sb1b-14_technical_manual_revC.pdf).
Forum: RV-12/RV-12iS 02-19-2020, 06:51 PM
Replies: 162
Views: 20,396
Posted By Mich48041
How about a scissor Jack? Harbor Freight SKU:...

How about a scissor Jack? Harbor Freight SKU: 96406
It can also be used to lift the tail when setting the RV-12 on saw horses by yourself.
Another option is to lift the engine using a fulcrum and...
Forum: Electrical Systems 02-13-2020, 08:40 AM
Replies: 17
Views: 1,524
Posted By Mich48041
How about using a "conduit bushed nipple"...

How about using a "conduit bushed nipple" available at hardware stores.
A google search will show pictures.
https://assets.gordonelectricsupply.com/tsimages/APLTON_MP_CN-100.jpg
Forum: RV-12/RV-12iS 02-09-2020, 05:40 PM
Replies: 16
Views: 3,188
Posted By Mich48041
Not sure but educated guess Van's GAS-3-4-5...

Not sure but educated guess
Van's GAS-3-4-5 GASKET
Aircraft Spruce 05-12242
Forum: Electrical Systems 02-04-2020, 11:16 AM
Replies: 23
Views: 2,930
Posted By Mich48041
Using an engine mount bolt for grounding the...

Using an engine mount bolt for grounding the aircraft electrical system is not a
good idea. Even though some aircraft are wired that way, doing so is not best
practice. It is better to use a...
Forum: RV-12/RV-12iS 01-27-2020, 11:21 AM
Replies: 11
Views: 1,062
Posted By Mich48041
Quoted below from the Loctite THREADLOCKER BLUE...

Quoted below from the Loctite THREADLOCKER BLUE 242 TECHNICAL DATA SHEET...
Forum: RV-12/RV-12iS 01-26-2020, 05:22 PM
Replies: 11
Views: 1,062
Posted By Mich48041
Blue Loctite ONLY works with metal parts and in...

Blue Loctite ONLY works with metal parts and in the absence of air (anaerobic).
Forum: RV-12/RV-12iS 01-23-2020, 07:14 PM
Replies: 15
Views: 1,452
Posted By Mich48041
The RV-12 with the D-180 does not have a...

The RV-12 with the D-180 does not have a conventional shunt. You will not find it because it is integrated
into Van's control board. (assuming that the plane was built with Van's parts and according...
Forum: RV-12/RV-12iS 01-22-2020, 07:07 AM
Replies: 15
Views: 1,452
Posted By Mich48041
If you do not have a copy of the D-180...

If you do not have a copy of the D-180 installation guide, DOWNLOAD (https://www.dynonavionics.com/includes/guides/FlightDEK-D180_Installation_Guide_Rev_H.pdf) it.
Compass calibration is described...
Forum: Glass Cockpit 01-21-2020, 02:37 PM
Replies: 9
Views: 677
Posted By Mich48041
The Dynon autopilot is built into the D-180. If...

The Dynon autopilot is built into the D-180. If the D-180 quits working, so does the autopilot. The AP74 is not an autopilot. It is only a convenient way to control the autopilot that is built...
Forum: Electrical Systems 01-20-2020, 08:18 PM
Replies: 23
Views: 2,930
Posted By Mich48041
A 12 volt AA battery pack does not make a very...

A 12 volt AA battery pack does not make a very good power supply for
testing avionics. I suggest using a 12 volt lead-acid battery instead.
If the AA battery pack is heavily loaded, its voltage will...
Forum: RV General Discussion/News 01-18-2020, 02:59 PM
Replies: 9
Views: 627
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, 10:35 AM
Replies: 57
Views: 7,669
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, 09:21 AM
Replies: 57
Views: 7,669
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, 08:15 AM
Replies: 34
Views: 3,967
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, 07:42 AM
Replies: 3
Views: 728
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, 08:39 PM
Replies: 23
Views: 2,930
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, 11:43 AM
Replies: 15
Views: 1,920
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, 09:09 AM
Replies: 64
Views: 21,659
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, 11:03 AM
Replies: 45
Views: 7,353
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, 04:56 PM
Replies: 7
Views: 594
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, 11:15 AM
Replies: 48
Views: 10,025
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, 04:07 AM
Replies: 19
Views: 3,219
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, 07:00 AM
Replies: 10
Views: 1,302
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, 11:30 AM
Replies: 10
Views: 1,302
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, 02:39 PM
Replies: 23
Views: 3,096
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, 09:08 AM
Replies: 11
Views: 2,044
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, 04:07 AM
Replies: 24
GPU
Views: 2,302
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, 12:50 PM
Replies: 12
Views: 1,542
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, 08:49 AM
Replies: 30
Views: 3,501
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, 05:57 PM
Replies: 4
Views: 1,016
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, 07:03 PM
Replies: 9
Views: 922
Posted By Mich48041
Does the belt have proper tension?

Does the belt have proper tension?
Forum: RV-12/RV-12iS 11-19-2019, 08:18 AM
Replies: 12
Views: 1,542
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, 02:14 PM
Replies: 15
Views: 1,710
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, 08:32 PM
Replies: 10
Views: 1,225
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, 05:13 PM
Replies: 10
Views: 1,225
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, 05:33 PM
Replies: 62
Views: 6,514
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, 06:36 PM
Replies: 2
Views: 683
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, 05:35 PM
Replies: 62
Views: 6,514
Posted By Mich48041
Lon, Is your charging system working?

Lon,
Is your charging system working?
Forum: RV-12/RV-12iS 11-13-2019, 04:39 PM
Replies: 7
Views: 803
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, 08:23 AM
Replies: 4
Views: 474
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, 08:15 PM
Replies: 4
Views: 474
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, 11:13 AM
Replies: 62
Views: 6,514
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, 07:58 PM
Replies: 6
Views: 433
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, 05:08 PM
Replies: 62
Views: 6,514
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, 11:33 AM
Replies: 8
Views: 1,061
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, 10:15 AM
Replies: 7
Views: 803
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, 06:32 AM
Replies: 16
Views: 2,876
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, 06:20 PM
Replies: 62
Views: 6,514
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, 06:08 PM
Replies: 62
Views: 6,514
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, 05:54 PM
Replies: 62
Views: 6,514
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, 05:51 PM
Replies: 62
Views: 6,514
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, 04:23 PM
Replies: 62
Views: 6,514
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, 04:21 PM
Replies: 62
Views: 6,514
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, 03:49 PM
Replies: 62
Views: 6,514
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, 07:19 PM
Replies: 20
Views: 1,561
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, 02:30 PM
Replies: 14
Views: 2,462
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, 11:14 AM
Replies: 9
Views: 1,290
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, 12:04 PM
Replies: 36
Views: 5,559
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, 06:18 PM
Replies: 36
Views: 5,559
Posted By Mich48041
NinerBikes, Since the voltage is normal, the...

NinerBikes,
Since the voltage is normal, the ammeter display is erroneous for some reason.
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