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Search: Posts Made By: Avanza
Forum: Traditional Aircraft Engines 04-28-2021, 01:32 PM
Replies: 36
Views: 11,808
Posted By Avanza
Water in the tank

If you have 1 m3 of air @ MSL and +77 F it can hold not more than 23 g
of water. That is 100% humidity.
To get 1 g of water in to a tank via ventilation you need at least 43 L (11 usg)
of air in to...
Forum: Alternative Engines 04-25-2021, 03:31 AM
Replies: 10
Views: 3,185
Posted By Avanza
Exclamation Pricy engine

Price is one thing. The most important information is just not there.
No flight testing of the engines on an aircraft.
No information on engine torque.
No statements from happy customers on ANY of...
Forum: RV-12/RV-12iS 04-24-2021, 03:32 AM
Replies: 50
Views: 5,077
Posted By Avanza
Electric fuel pump.

To begin with, people have different knowledge and experiences.
We see the same things but interpretes it differently.
On a certified aircraft there is a requirement to have two fuel pumps...
Forum: RV Ongoing Maintenance Issues 04-23-2021, 12:33 PM
Replies: 3
Views: 392
Posted By Avanza
CB trips

Start with turning all switches in the off position.
Reset the CB and turn master (BAT) on.
If the CB trips, you have a short to the ground in the circuit.
Start removing the GND connector from each...
Forum: Traditional Aircraft Engines 04-20-2021, 09:14 AM
Replies: 8
Views: 1,009
Posted By Avanza
Engine preservation
Forum: Electrical Systems 04-17-2021, 12:50 PM
Replies: 24
Views: 1,256
Posted By Avanza

If the Field wire at the back of the L40 alternator is bad, the F-current
will be chopped (on/off/on/off) when engine is running due to vibration.
The voltage from the alternator will then be lower...
Forum: Electrical Systems 04-16-2021, 01:17 PM
Replies: 24
Views: 1,256
Posted By Avanza

If the problem persist, I suggest removing the alternator and make a new
crimp on the F-connector. Put silicon on so the wire can´t vibrate.
I had this problem.:o
Forum: RV-8/8A 04-16-2021, 01:15 AM
Replies: 7
Views: 877
Posted By Avanza

How about this one?:D
Forum: RV General Discussion/News 04-14-2021, 03:21 PM
Replies: 19
Views: 1,246
Posted By Avanza
pump failure

I think if the first membrane crack it will produce fuel in the over flow hose.
And yes if the second membrane fails this will transfer fuel to the crankcase.
The failure mode is usually a small...
Forum: RV General Discussion/News 04-14-2021, 02:55 PM
Replies: 19
Views: 1,246
Posted By Avanza
Talking Fuel pumps

Most if not all low wing certified aircraft like the Piper PA28 have an electric and
a engine driven fuel pump in series.
The engine driven pump has membranes driven by a push rod from the camshaft....
Forum: Electrical Systems 04-04-2021, 06:35 AM
Replies: 9
Views: 519
Posted By Avanza
Wink TXP issue

You need to tell us more about the installation.
Please be specific about equipment txp/ adsb/ nav.
The more details we have the better.
Forum: Electrical Systems 03-30-2021, 04:35 PM
Replies: 2
Views: 336
Posted By Avanza
Talking Cameras

One IR-camera countersunk on the right wing aileron inspection plate and one
small wide angle car camera on the aft of the fuselage facing forward.
Both are fixed installations connected to G3X PFD...
Forum: Traditional Aircraft Engines 03-21-2021, 06:37 AM
Replies: 7
Views: 626
Posted By Avanza
Talking Crank conversion

You have a IO-360 B1B which is constant speed.
Refering to fil 1. There is no front plug on this engine because oil should be able to reach the propeller. The back plug forces the oil to return to...
Forum: Glass Cockpit 03-20-2021, 06:24 AM
Replies: 5
Views: 689
Posted By Avanza
Talking VFR REV

Setting between units is probably correct.
When the GTN goes off line the G3X should revert to internal GPS.
Old flightplan from GTN is still there.
VFR implies no IFR navigation.
Have you checked...
Forum: Traditional Aircraft Engines 03-19-2021, 06:39 AM
Replies: 5
Views: 629
Posted By Avanza
Talking Reamer size

I have a IO-360 180 hp and I bougtht an adjustable reamer.
This way you can work your way to the final size 0.4995.
But I'm sure it will work just fine with a standard
0,4995 reamer.
It worked well.
Forum: Traditional Aircraft Engines 03-19-2021, 05:18 AM
Replies: 5
Views: 550
Posted By Avanza
Talking MOGAS

Yes mogas is approved for your engine.
Check Lycoming SI 1070AB.
Forum: Electronic Ignition Systems 03-18-2021, 06:10 AM
Replies: 16
Views: 1,328
Posted By Avanza
Talking EI kick back

If during first start atempt, the prop stops and then you get a kick back,
it is very likely that the EI capacitor can't hold the charge and a spark is released before top dead centre. I had this...
Forum: Electrical Systems 03-07-2021, 02:23 PM
Replies: 5
Views: 816
Posted By Avanza
Talking GTP 59

The GTP 59 has a TSO for normal category aircraft.
It comes with a ring terminal for grounding.
Insert the probe and ring terminal into the hole in the skin of the aircraft.
Place the washer (5)...
Forum: Propellers 03-04-2021, 03:16 PM
Replies: 1
Views: 381
Posted By Avanza
Talking Governor pressure

The standard setting for lycoming 360 is 320 psi.
320 psi is 21,7 bar.
300 psi is 20,4 bar.
This is a small 6% difference.
Unless the engine is very old, in bad condition and you are running on
Forum: Traditional Aircraft Engines 03-04-2021, 02:14 PM
Replies: 4
Views: 697
Posted By Avanza
Talking YIO-360

Lycoming use the letter Y to their Experimental engines.
Superior use XP for their Experimental engines.
ICI Titan use EXP for their Experimental engines.
Forum: Glass Cockpit 02-24-2021, 03:54 PM
Replies: 17
Views: 1,575
Posted By Avanza
Smile Backup EFIS

Four years ago I decided to replace the old instrument panel with the G3Xt.
I told the avionics shop in Czech republic that I wanted the Dynon D10A as a back up EFIS. In late October the shop called...
Forum: RV Ongoing Maintenance Issues 02-19-2021, 12:25 PM
Replies: 18
Views: 1,707
Posted By Avanza
Smile timing

When everything else fails, consult the...
Forum: Traditional Aircraft Engines 02-17-2021, 02:26 PM
Replies: 7
Views: 1,084
Posted By Avanza
Smile Firing order

look at page 42, it´s a good picture.

good luck.
Forum: Traditional Aircraft Engines 02-17-2021, 02:25 PM
Replies: 7
Views: 1,084
Posted By Avanza
Smile Firing order

look at page 42, it´s a good picture.

good luck.
Forum: Electrical Systems 02-16-2021, 01:58 PM
Replies: 25
Views: 3,840
Posted By Avanza
Smile BC voltage regulator

As I understand it the Earth X has a BMS but it can not limit the charging current. A BMS built in current limiter cost money.
The BC voltage regulator LR3D has an input for a temperature probe.
Forum: Glass Cockpit 02-12-2021, 03:09 PM
Replies: 4
Views: 946
Posted By Avanza
Smile SL30

The King KN-53 is an older analog NAV unit.
It can not communicate with the G3X because its digital.
The G3X uses CAN-bus, ARINC 429 and/ or RS 232.
Forum: GPS 02-12-2021, 01:44 PM
Replies: 7
Views: 1,049
Posted By Avanza
Smile ARINC 429 and RS 232

I believe that ARINC 429 contains vertical navigation and RS 232 the lateral
information. So RS 232 has to be connected to the autopilot.
Forum: RV Ongoing Maintenance Issues 02-07-2021, 02:46 PM
Replies: 51
Views: 11,282
Posted By Avanza
Smile BC external regulator uppdate

Terminal 1 – This input, when used with the optional temperature probe, will enable the LR3D to
automatically adjust the alternator output voltage as the temperature of the battery terminal
Forum: Traditional Aircraft Engines 02-07-2021, 01:27 PM
Replies: 28
Views: 2,084
Posted By Avanza
Smile Cylinder pressure test

If you suspect a stuck valve, presumably exhaust, use a cylinder pressure
tester to check for leaks. Preform the test with engine cold.
If you find a stuck exhaust valve, buy a reamer and clean out...
Forum: RV Ongoing Maintenance Issues 02-06-2021, 02:26 PM
Replies: 51
Views: 11,282
Posted By Avanza
Smile Charging amps

With an external regulator as the BC, the charging amps is a function of
the difference between bus voltage and the set charging voltage.
The bus is connected to terminal 3 sense on the BC...
Forum: Traditional Aircraft Engines 02-04-2021, 12:49 PM
Replies: 13
Views: 1,535
Posted By Avanza
Smile Mogas with ethanol

Lycoming introduced fluorosilicone rubber in their fuelinjection 1987.
This is compatible with ethanol blended fuel.
I have a IO-360 parallel valve compression ratio 8,5, 180 hp.
Previously I had the...
Forum: Traditional Aircraft Engines 02-04-2021, 04:31 AM
Replies: 13
Views: 1,535
Posted By Avanza
Smile Automotive fuel

It is all about the copression ratio and the different combustion cambers.
If you are looking at the IO-360 there are two completely different engines.
1. the angle valve IO-360 compression ratio...
Forum: Glass Cockpit 01-31-2021, 01:41 PM
Replies: 3
Views: 539
Posted By Avanza
Smile G3Xt Manual rev AM

GDU460 is connected to GPS20A via CAN-bus.
GPS20A is connected to GTX45R via RS232, page 447.
GDU460 is connected to GTX45R via RS232, page 446.

Good luck
Forum: Engine Monitors 01-26-2021, 12:41 PM
Replies: 2
Views: 554
Posted By Avanza
Smile B/C regulator manual

Try this.

Good luck
Forum: RV Ongoing Maintenance Issues 01-10-2021, 05:37 AM
Replies: 38
Views: 4,809
Posted By Avanza
Smile New installation

As the engine installation is only 45 h from new, I should check the basics of the installation. The routing of the oil hoses would be my primary concern.
The wording of IN/ OUT have different...
Forum: RV Ongoing Maintenance Issues 01-08-2021, 01:08 PM
Replies: 38
Views: 4,809
Posted By Avanza
Smile oil filter

I had a similar problem many years ago, when I bought the plane.
The filter was a remote oil filter champion.
When I changed the oil filter I saw that the internal filer gasket was blown.
I talked to...
Forum: Canada 12-30-2020, 04:23 PM
Replies: 30
Views: 3,053
Posted By Avanza
Smile Diversity antenna

As I understand the requirement, the ADSB signal should be able to propagate
from the aircraft towards the grund and the sky at the same time.
This can be done with two antennas on a metal airplane,...
Forum: Traditional Aircraft Engines 12-15-2020, 03:51 PM
Replies: 9
Views: 1,808
Posted By Avanza
Smile Contact Skytech
+1 (888) 461-6077 Toll Free
+1 (334) 386-5400 Phone
Good luck
Forum: Electronic Ignition Systems 12-14-2020, 03:45 PM
Replies: 18
Views: 3,873
Posted By Avanza
Smile Two surefly ignition systems.

I had the lasar system and have changed to surefly a couple of month ago.
Going to a full electric ignition system I chosed to install a B/C standby alternator that is connected to a new emergency...
Forum: RV-14 12-13-2020, 05:38 AM
Replies: 1
Views: 902
Posted By Avanza
Smile Low pitch stop

If the governor works ok, the propeller low pich stop may need an adjustment.
The low pich stop limits the blade angle.
If you are familiar working on the prop it is not a big job.
Good luck.
Forum: Traditional Aircraft Engines 12-12-2020, 06:52 AM
Replies: 36
Views: 5,258
Posted By Avanza
Smile Turning the impulse by hand

Yes, you should be able to turn it easely by hand.
Forum: Traditional Aircraft Engines 12-11-2020, 03:23 PM
Replies: 19
Views: 2,040
Posted By Avanza
Smile Lycoming break in instruction

Read this.
Forum: Traditional Aircraft Engines 12-06-2020, 04:59 PM
Replies: 1
Views: 546
Posted By Avanza
Smile Fuel lines

A fluid flow in a pipe or a hose will cause a slight pressure drop.
This pressure drop affects the fuel flow.
If you have the same length of the lines, the flow will be equal in all lines.
If there...
Forum: Electrical Systems 12-06-2020, 04:50 PM
Replies: 17
Views: 2,238
Posted By Avanza
Smile Redundant electrical system

I have two Surefly electronic ignition on my IO-360, two alternators and
two LiFePo batteries. The second alternator has a standby regulator with a
0,5 V lower voltage setting.
The electronic...
Forum: RV-10 12-03-2020, 12:47 PM
Replies: 6
Views: 886
Posted By Avanza

I made a W/B diagram for my plane using Excel.
Then you can see exactly what happens if you add or remove weight
at a certain station. If you are familiar working with Excel, it`s easy.
Also you can...
Forum: Propellers 12-02-2020, 03:31 PM
Replies: 19
Views: 1,838
Posted By Avanza
Smile Governor gasket

If you have a prop governor gasket with part nr: MS9144-01 it has a
built in filter screen. If this is clogged the flow is reduced.
Good luck
Forum: Fuel Injection Systems 12-01-2020, 04:39 PM
Replies: 12
Views: 1,645
Posted By Avanza

This is a new installation ?
I should check the fuel filter.
Good Luck
Forum: Glass Cockpit 12-01-2020, 03:46 PM
Replies: 8
Views: 1,017
Posted By Avanza
Smile GTN G3XT communication

The Garmin GTN 6XX IFR GPS navigators are supported by the G3X system, including WAAS approach capability. This integration requires the use of a
GAD 29 ARINC 429 interface module.
GPS navigation...
Forum: Traditional Aircraft Engines 11-26-2020, 03:52 PM
Replies: 4
Views: 917
Posted By Avanza
Smile Preoiling prior to start

Read Lycoming SI 1241C and use straight mineral oil.
good luck.
Forum: Electronic Ignition Systems 11-24-2020, 05:43 AM
Replies: 14
Views: 1,760
Posted By Avanza
Smile I would say it depends on your EI. How is it...

I would say it depends on your EI.
How is it programmed ?
Allso the mixture is a part of the risk for detonation.
Lean mixture and high manifold pressure and low rpm will definetly take you
closer to...
Forum: Traditional Aircraft Engines 11-23-2020, 03:30 PM
Replies: 16
Views: 3,798
Posted By Avanza
Smile New cylinders on an engine see Lycoming SI...

New cylinders on an engine see Lycoming SI 1427C.
Engine break in procedure is required.
This also means straight mineral oil in most cases.
Forum: Propellers 11-22-2020, 04:32 AM
Replies: 5
Views: 877
Posted By Avanza
Smile For certiied aircraft the manufacturer have...

For certiied aircraft the manufacturer have checked that the engine/ prop
combination is safe, restricted rpm may show in the POH.
If you have a certified prop, the manufacturer have most certainly...
Forum: RV-12/RV-12iS 11-21-2020, 08:41 AM
Replies: 34
Views: 12,288
Posted By Avanza
Smile IFR or VFR

I have flown the North atlantic route Reykjavik -Goose Bay on two ocations.
Unless things have changed airspace A requiers an IFR flightplan.
If you plan the northern route min FL is 130.
You will...
Forum: Electronic Ignition Systems 11-18-2020, 09:20 AM
Replies: 6
Views: 1,192
Posted By Avanza
Hall sensor

Here is what I did.
I bought a hall Effect Crankshaft Position Sensor.
Connect to +14V, GND and signal out, connect to EFIS.
Mount sensor close to flywheel.
Put a small screw on the flywheel with the...
Forum: Electrical Systems 09-04-2020, 12:52 AM
Replies: 6
Views: 2,202
Posted By Avanza
Smile PTT wiring. Grounds for audio/ PTT needs to be...

PTT wiring.
Grounds for audio/ PTT needs to be drawn to a separate ground bus.
This is to avoid noise related to ground currents from other installations.
Check this...
Forum: GPS 09-04-2020, 12:20 AM
Replies: 4
Views: 1,423
Posted By Avanza
Smile The GTN needs an external pressure altitude...

The GTN needs an external pressure altitude source to be able to automatically sequence legs. GTN Pilot Guide Procedures pg 133.
If no baro-corrected altitude data is provided to the GTN unit,...
Showing results 1 to 56 of 56

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