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Search: Posts Made By: NinerBikes
Forum: RV-12/RV-12iS 05-20-2022, 07:30 PM
Replies: 22
Views: 1,816
Posted By NinerBikes
Well, Jim, running full synthetic Mobil 1 4T...

Well, Jim, running full synthetic Mobil 1 4T motor oil and Mogas that's free of lead and up to 250F oil temps seems to be OK, if only done on occasion? I'd keep an eye on oil temperature,...
Forum: RV-12/RV-12iS 05-08-2022, 08:26 PM
Replies: 4
Views: 566
Posted By NinerBikes
I haven't observed much difference in the...

I haven't observed much difference in the lifespan on the original Ducati Voltage Regulator, either passenger side inside the flight deck, or outside, under the cowling near the radiator with an air...
Forum: RV-12/RV-12iS 05-02-2022, 09:52 AM
Replies: 36
Views: 6,916
Posted By NinerBikes
I've used Stan's in my 29" Mtn bike tires with...

I've used Stan's in my 29" Mtn bike tires with tubeless settups and it stops leaks quickly, with items like goatshead thorns and such. It does NOT work well in tubes at all, otherwise Stan's would...
Forum: RV-12/RV-12iS 04-29-2022, 09:07 AM
Replies: 5
Views: 831
Posted By NinerBikes
You're gonna need someone small and light at your...

You're gonna need someone small and light at your weight. I had the same problem with the 1320# gross with getting mine ferried from SC to CA. I ended up just have it ferried and then getting a CFI...
Forum: RV-12/RV-12iS 04-25-2022, 09:50 AM
Replies: 2
Views: 364
Posted By NinerBikes
May seem crazy, but can you look up your tail...

May seem crazy, but can you look up your tail number on FlightAware, and go through the files and flights, and log actual flying time from there, instead, for your tach time?

For me, I add about...
Forum: RV-12/RV-12iS 04-20-2022, 10:10 PM
Replies: 9
Views: 757
Posted By NinerBikes
That is what is known as a visual learner. They...

That is what is known as a visual learner. They learn from diagrams or schematics. Some have poor comprehension of text.
Forum: RV-12/RV-12iS 04-19-2022, 01:32 PM
Replies: 2
Views: 416
Posted By NinerBikes
Hoping we don't get socked in with May Gray at...

Hoping we don't get socked in with May Gray at KWHP, otherwise might try to make it.
Forum: RV-12/RV-12iS 04-17-2022, 06:24 PM
Replies: 12
Views: 1,704
Posted By NinerBikes
I usually see 80, maybe 90 rpm drop between the 2...

I usually see 80, maybe 90 rpm drop between the 2 ignition systems at run up at 4000 rpm.
Forum: RV-12/RV-12iS 04-15-2022, 07:23 PM
Replies: 5
Views: 607
Posted By NinerBikes
Rotax should have the BING carburetor MFG label...

Rotax should have the BING carburetor MFG label the enrichment stuff "Cyl 1 3" and "Cyl 2 4" to solve this problem.
Forum: RV-12/RV-12iS 04-14-2022, 11:48 PM
Replies: 5
Views: 607
Posted By NinerBikes
I seem to recall something about the engine's...

I seem to recall something about the engine's original design being a "pusher" motor, whereas on the RV-12, it is in a "tractor" configuration.

So, when Rotax 912 first came out, that's how the Bing...
Forum: RV-12/RV-12iS 04-13-2022, 05:41 PM
Replies: 11
Views: 1,942
Posted By NinerBikes
I wonder if Swift 94 octane unleaded will find a...

I wonder if Swift 94 octane unleaded will find a better market this summer, over 100 LL. Or will more people start blending in 100LL to cut the Reid vapor pressure of this high % Mogas?
Forum: Traditional Aircraft Engines 04-08-2022, 06:23 PM
Replies: 19
Views: 1,938
Posted By NinerBikes
Possibility that you have too many cracks in the...

Possibility that you have too many cracks in the chrome, where the oil resides and then gets burnt during the combustion process....
Forum: RV-12/RV-12iS 04-08-2022, 10:48 AM
Replies: 5
Views: 1,050
Posted By NinerBikes
Never mind, I sent him the KAI pdf file... He's...

Never mind, I sent him the KAI pdf file... He's just going to have to dig for the solution on his computer.
Forum: RV-12/RV-12iS 04-07-2022, 06:26 PM
Replies: 5
Views: 1,050
Posted By NinerBikes
Changing the fuel filter on a RV-12iS with 912iS

I was wondering if anyone knows what the torque amount is for the fuel lines on the inboard side fuel filter for the flange fittings?

Helping out an 83 year old here with changing out with 182 hours...
Forum: RV-12/RV-12iS 04-04-2022, 05:08 PM
Replies: 12
Views: 1,704
Posted By NinerBikes
Heavy floats in the carburetor can cause those...

Heavy floats in the carburetor can cause those problems. Pull the float bowls and weight them, replace if necessary. You might want to look into the Marvel ...
Forum: RV-12/RV-12iS 03-28-2022, 09:46 AM
Replies: 6
Views: 1,781
Posted By NinerBikes
I wonder how many hours he added on his Hobbs...

I wonder how many hours he added on his Hobbs meter during that trip... :eek:
Forum: RV-12/RV-12iS 03-24-2022, 10:33 AM
Replies: 17
Views: 2,317
Posted By NinerBikes
The Rotax 912 iS is fuel injected, all 4...

The Rotax 912 iS is fuel injected, all 4 cylinders run off of the same throttle body. This engine either runs, or it doesn't run. No worries about balancing carbs or them falling off and running on 2...
Forum: RV-12/RV-12iS 03-15-2022, 04:27 PM
Replies: 3
Views: 694
Posted By NinerBikes
Go to Matco's website in Utah, and order direct....

Go to Matco's website in Utah, and order direct. Give them a phone call.
Forum: RV-12/RV-12iS 02-22-2022, 05:44 PM
Replies: 247
Views: 37,624
Posted By NinerBikes
I'd be inclined to offer a teenager an...

I'd be inclined to offer a teenager an exploratory flight after the work is done, in exchange.

Something to think about.
Forum: RV-12/RV-12iS 02-19-2022, 10:06 PM
Replies: 247
Views: 37,624
Posted By NinerBikes
There's ADHARS and antennas back there, not shown...

There's ADHARS and antennas back there, not shown in the diagram provided if your RV-12 is Skyview equipped, if I remember correctly from my last inspection.
Forum: RV-12/RV-12iS 02-19-2022, 05:48 PM
Replies: 247
Views: 37,624
Posted By NinerBikes
First to admit I don't know much about building...

First to admit I don't know much about building experimental planes that get riveted together out of aluminum, but it seems to me, within weight considerations... would additional stringers/ribs have...
Forum: RV-12/RV-12iS 02-13-2022, 10:24 AM
Replies: 18
Views: 2,244
Posted By NinerBikes
Wheel pants affect your approach speed, usually...

Wheel pants affect your approach speed, usually higher at the same throttle settings, also your descent speed is higher. Plane is more aerodynamic, less drag with them.

Higher approach and flare...
Forum: RV-12/RV-12iS 02-12-2022, 11:02 PM
Replies: 18
Views: 2,244
Posted By NinerBikes
Adding wheel pants will have a similar effect.

Adding wheel pants will have a similar effect.
Forum: RV-12/RV-12iS 02-12-2022, 11:54 AM
Replies: 25
Views: 3,033
Posted By NinerBikes
you can get button head allen screws for the...

you can get button head allen screws for the gascolator and use those Nord Lock locking washers on those too, as on the hub of the propeller, instead of safety wiring the screws....
Forum: RV-12/RV-12iS 02-04-2022, 10:06 AM
Replies: 8
Views: 1,444
Posted By NinerBikes
147 per carburetor... $294 plus shipping for both...

147 per carburetor... $294 plus shipping for both carburetors. Is that not less than Aircraft Spruce at $331?
Forum: RV-12/RV-12iS 02-03-2022, 04:00 PM
Replies: 8
Views: 1,444
Posted By NinerBikes
At Mcfarlane for...

At Mcfarlane for less.
https://www.mcfarlaneaviation.com/products/product/MS80-430/
Forum: RV-12/RV-12iS 01-30-2022, 10:59 AM
Replies: 210
Views: 65,852
Posted By NinerBikes
I did sell my newer front landing leg to a Dr in...

I did sell my newer front landing leg to a Dr in St George, this fall, that had the original fork fail upon landing. It broke near the axle, somehow.

It, of course, was supposed to have been...
Forum: RV-12/RV-12iS 01-30-2022, 10:44 AM
Replies: 11
Views: 1,696
Posted By NinerBikes
Each rivet in that jar should represent a portion...

Each rivet in that jar should represent a portion of a man hour of labor spent deburring, clecco'ing, and pulling rivets.

Then you'll know, approximately how many man hours are represented in that...
Forum: RV-12/RV-12iS 01-29-2022, 10:27 AM
Replies: 8
Views: 1,103
Posted By NinerBikes
seagull (Walt) has a wonderful digital version...

seagull (Walt) has a wonderful digital version that he made out of mass air flow sensors that is much more accurate.
Forum: RV-12/RV-12iS 01-28-2022, 01:01 PM
Replies: 20
Views: 3,122
Posted By NinerBikes
The 912IS configuration will add still another 25...

The 912IS configuration will add still another 25 pounds to your plane.

My 2012 RV-12 with Skyview, solid blue imron paint job (basic) AP, interior and wheelpants, weighs 772# with the ULS motor. ...
Forum: RV-12/RV-12iS 01-28-2022, 12:44 PM
Replies: 210
Views: 65,852
Posted By NinerBikes
To the extent of the damage observed, would the...

To the extent of the damage observed, would the newer reinforced landing leg have made any difference in the resultant damage, in your expert opinion, Scott? Or was this just a really hard landing or...
Forum: RV-12/RV-12iS 01-27-2022, 10:55 AM
Replies: 29
Views: 4,262
Posted By NinerBikes
A good 1/4 wave length 2m band antenna on your...

A good 1/4 wave length 2m band antenna on your handheld will really assist in transmitting your signal to the tower. The stock rubber ducky antenna that comes with most handhelds is pretty poor on...
Forum: RV-12/RV-12iS 01-26-2022, 09:35 PM
Replies: 29
Views: 4,262
Posted By NinerBikes
No worries, it was a refresher for me, too. Seems...

No worries, it was a refresher for me, too. Seems I've always remembered to never use 7500, since I don't carry paying passengers. You know where to look, quickly, if the need (kneed?) arises.
Forum: RV-12/RV-12iS 01-26-2022, 06:16 PM
Replies: 29
Views: 4,262
Posted By NinerBikes
You got hijacked on your 2nd solo? How does that...

You got hijacked on your 2nd solo? How does that work? Multiple personalities?

Or was it 7600 for loss of communications, or 7700 for a general emergency?
Forum: RV-12/RV-12iS 01-20-2022, 09:34 AM
Replies: 20
Views: 2,854
Posted By NinerBikes
Nicely done, Walt.

Nicely done, Walt.
Forum: RV-12/RV-12iS 01-20-2022, 09:30 AM
Replies: 12
Views: 1,829
Posted By NinerBikes
I proceded to install the elevator servo, and...

I proceded to install the elevator servo, and there it was! I could now also feel that same friction/resistance when moving the elevator. I seems this added friction is due to the electric motor of...
Forum: RV-12/RV-12iS 01-16-2022, 08:36 PM
Replies: 7
Views: 1,775
Posted By NinerBikes
A lot of things can affect your fuel burn rate. ...

A lot of things can affect your fuel burn rate. You'd need to include a bunch of variables to make sense of it all.

I usually saw 4.5 gals / hr with a 5200 -5250 rpm rate when in cruise. I...
Forum: RV-12/RV-12iS 01-09-2022, 10:48 AM
Replies: 3
Views: 886
Posted By NinerBikes
Bore and cylinders are silica aluminum. Also the...

Bore and cylinders are silica aluminum. Also the engine is closed crankcase sealed, only venting would be through the sump tank.

If Rotax thought pickling was necessary, it was done at the factory...
Forum: RV-12/RV-12iS 01-07-2022, 11:32 AM
Replies: 3
Views: 690
Posted By NinerBikes
https://vansairforce.net/community/showpost.php?p=...

https://vansairforce.net/community/showpost.php?p=1580514&postcount=11
Forum: RV-12/RV-12iS 01-06-2022, 07:10 AM
Replies: 1
Views: 763
Posted By NinerBikes
I'd try asking some AP at a flight school that...

I'd try asking some AP at a flight school that uses RV-12s.

Maybe Glass Cockpit Aviation out of Boise ID, ask for Cammie Patch. They put a lot of hours on their planes.
Forum: RV-12/RV-12iS 12-30-2021, 02:27 PM
Replies: 3
Views: 1,133
Posted By NinerBikes
Hal Provo at KSZP was having the same problems...

Hal Provo at KSZP was having the same problems in his 2018 built RV-12 iS with this connector, since April or May of 2021. He finally identified the problem in Sept, had another "loom" of wire...
Forum: RV-12/RV-12iS 12-29-2021, 11:29 AM
Replies: 8
Views: 1,497
Posted By NinerBikes
We have a winner, here. /\ Expect lots of Easter...

We have a winner, here. /\ Expect lots of Easter Eggs when you buy someone else's RV-12.
Forum: RV-12/RV-12iS 12-29-2021, 11:16 AM
Replies: 15
Views: 2,727
Posted By NinerBikes
My tail cone was primed, legacy RV-12, with one...

My tail cone was primed, legacy RV-12, with one panel Skyview package, 472, GPS 2020, SL-40 AP, full interior, and full one color Navy blue paint job with wheel pants.

Actual weight... 772# Paint...
Forum: RV-12/RV-12iS 12-26-2021, 12:07 PM
Replies: 17
Views: 2,542
Posted By NinerBikes
Get the 1 1/8" to 1 3/4" version.

Get the 1 1/8" to 1 3/4" version.
Forum: RV-12/RV-12iS 12-20-2021, 03:54 PM
Replies: 5
Views: 977
Posted By NinerBikes
Nothing is for certain. Friend has a RV-12...

Nothing is for certain.

Friend has a RV-12 Legacy finished in 2015 with 340 hours on the Hobbs. Past 3 years have been nothing but Costco Premium Unleaded Mogas bought in Southern CA, from 120 hrs...
Forum: RV-12/RV-12iS 12-18-2021, 06:40 PM
Replies: 10
Views: 1,667
Posted By NinerBikes
You'll have to do your own research on that. I...

You'll have to do your own research on that. I know it was approved by Rotax at one point in time. Talk to Glass Cockpit Aviation in Boise ID, they run it in their RV-12's in their flight school,...
Forum: RV-12/RV-12iS 12-18-2021, 09:00 AM
Replies: 10
Views: 1,667
Posted By NinerBikes
There are RV-12 owners, including one flight...

There are RV-12 owners, including one flight school that I am aware of, that run Mobil 1 4T RACING Motorcycle 10w-40 full synthetic motor oil, due to it's gearbox additive, which suits the purpose of...
Forum: RV-12/RV-12iS 12-17-2021, 09:50 AM
Replies: 13
Views: 2,297
Posted By NinerBikes
Yep, that's what I run, with an inline RC...

Yep, that's what I run, with an inline RC hobbyist Voltage and amperage meter read out, and a 10 screw pot in line to adjust the voltage, since I use it on many different types of batteries.

30...
Forum: RV-12/RV-12iS 12-16-2021, 05:48 PM
Replies: 5
Views: 1,223
Posted By NinerBikes
I've heard that the Bing Constant Velocity...

I've heard that the Bing Constant Velocity Carburetors, usually used on BMW motorcycles, do an adequate job for compensating for an Altitude of up to 8000 ft and beyond that, they sort of run out of...
Forum: RV-12/RV-12iS 12-15-2021, 10:31 PM
Replies: 13
Views: 2,297
Posted By NinerBikes
Have you tried putting your battery on a charger...

Have you tried putting your battery on a charger at 14.4V and then turning the master switch on to see if then the fuel pump runs? Might be worth a try.

What's the overall condition of your PC-680...
Forum: RV-12/RV-12iS 12-15-2021, 09:30 AM
Replies: 8
Views: 1,956
Posted By NinerBikes
Pull your carb floats and weigh them, see if they...

Pull your carb floats and weigh them, see if they are heavy and out of specification. Heavy floats can flood the engine at climb out, cause stuttering, but run fine flying level.

If this plane is...
Forum: RV-12/RV-12iS 12-11-2021, 09:37 AM
Replies: 5
Views: 938
Posted By NinerBikes
The Dynon SV-472 ADS-B In device sits on top of...

The Dynon SV-472 ADS-B In device sits on top of the Garmin GTR200-B com radio.

You probably also need the ADS-B 2020 WAAS GPS antenna , sits atop a tray on top, right next to the firewall, and a...
Forum: RV-12/RV-12iS 12-10-2021, 06:56 PM
Replies: 11
Views: 2,590
Posted By NinerBikes
Yeah, but did you ever notice they used the "way...

Yeah, but did you ever notice they used the "way lighter" version of the motor, and then, redesigned the front landing gear making it beefier, after it fractured/developed a crack in a flight school...
Forum: RV-12/RV-12iS 12-10-2021, 11:48 AM
Replies: 46
Views: 11,408
Posted By NinerBikes
Agreed... I'd consider it a waste of my time,...

Agreed... I'd consider it a waste of my time, each and every time, unless absolutely necessary for inspection. Takes 2 people to remove and put back on, each side. One wiggles the wing and presses it...
Forum: RV-12/RV-12iS 12-06-2021, 09:41 PM
Replies: 11
Views: 2,590
Posted By NinerBikes
My concern would be if you got a flat front tire,...

My concern would be if you got a flat front tire, and landed, would you have enough prop clearance to not have a prop strike?

A heavier motor is something Van's might not have envisioned, since...
Forum: RV-12/RV-12iS 11-01-2021, 05:10 PM
Replies: 18
Views: 3,617
Posted By NinerBikes
I experienced this noise when under full throttle...

I experienced this noise when under full throttle climbing out at 5150-5250 rpms and 65-85 kts airspeed, and noticed that it vanished if I let up just slightly on the right rudder pedal, creating a...
Forum: RV-12/RV-12iS 10-27-2021, 12:25 PM
Replies: 87
Views: 30,834
Posted By NinerBikes
5150 rpm at 75 kts (Vy) climbout speed, on take...

5150 rpm at 75 kts (Vy) climbout speed, on take off.

You'll see more rpms, maybe 5200-5220, if climbing out at 85 kts.

After engine was warmed up, I seem to recall seeing about 4980-5000 rpm...
Forum: RV-12/RV-12iS 09-29-2021, 01:24 AM
Replies: 30
Views: 7,081
Posted By NinerBikes
A 10 Winter motor oil at 0F has a flow rate of...

A 10 Winter motor oil at 0F has a flow rate of 150 to 160 centistokes, thick and slow.

A 40 weight motor oil at 190 to 220F has a flow rate of 13 to 14.8 centistokes. thin and fast




What is the...
Forum: RV-12/RV-12iS 09-28-2021, 03:22 PM
Replies: 30
Views: 7,081
Posted By NinerBikes
The Rotax uses a dry sump tank and oiling system....

The Rotax uses a dry sump tank and oiling system. There is rubber hose between the sump tank and the oil pump, which creates suction.

If the oil viscosity is too high from the oil being not up to...
Forum: RV-12/RV-12iS 09-16-2021, 08:21 AM
Replies: 13
Views: 2,819
Posted By NinerBikes
You can use the "paper clip" icon for...

You can use the "paper clip" icon for attachments, when you post, to load your photograph .jpeg files so that they show up in your post.
Forum: RV-12/RV-12iS 09-15-2021, 02:20 PM
Replies: 15
Views: 3,553
Posted By NinerBikes
And they should be painted, so that they don't...

And they should be painted, so that they don't let corrosion start in on them.
Forum: RV-12/RV-12iS 09-14-2021, 10:58 AM
Replies: 8
Views: 2,223
Posted By NinerBikes
If you haven't already, you might want to...

If you haven't already, you might want to consider painting the gear legs while they are off of the plane, to prevent corrosion.
Forum: RV-12/RV-12iS 09-13-2021, 06:05 PM
Replies: 4
Views: 1,004
Posted By NinerBikes
I bought one built, the way I wanted it, with...

I bought one built, the way I wanted it, with AP... YMMV.
Forum: RV-12/RV-12iS 09-13-2021, 01:27 PM
Replies: 13
Views: 2,819
Posted By NinerBikes
What, exactly, are you using for exhaust...

What, exactly, are you using for exhaust insulation?

Pictures and dimensions of 2 small deflectors, as well as aprox angle from existing surface?

How much additional drag, and or loss in airspeed...
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