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Search: Posts Made By: Piper J3
Forum: RV-12/RV-12iS Yesterday, 09:30 AM
Replies: 8
Views: 1,395
Posted By Piper J3
That’s pretty funny. I’ve seen YouTube of Rotax...

That’s pretty funny. I’ve seen YouTube of Rotax 912 assembly at Austria factory and they have a dedicated computer logging all torque values with complete database for each engine by S/N. Looks...
Forum: RV-12/RV-12iS 07-28-2021, 11:51 AM
Replies: 7
Views: 419
Posted By Piper J3
Get the braided hoses with abrasion cover. Use...

Get the braided hoses with abrasion cover.

Use high quality Thomas & Betts Cable Tie Ultraviolet Resistant Nylon with Stainless Steel Locking Device.

I used three cable ties on each gear leg.
Forum: RV-12/RV-12iS 07-27-2021, 05:33 AM
Replies: 2
Views: 258
Posted By Piper J3
Need to use caution. Sometimes you see 912 on...

Need to use caution. Sometimes you see 912 on eBay that I suspect might be used military. The RQ-1 Predator used the 912 and some of these engines had over 5000 hours run time.
Forum: RV-12/RV-12iS 07-22-2021, 06:59 PM
Replies: 8
Views: 703
Posted By Piper J3
TT on engine? What was weight of carb floats?

TT on engine? What was weight of carb floats?
Forum: RV-12/RV-12iS 07-17-2021, 02:16 PM
Replies: 7
Views: 697
Posted By Piper J3
You can still use straight hose for cyl #3 using...

You can still use straight hose for cyl #3 using rubber instead of silicone. The stainless steel Goodyear E-Z Coil will keep the hose at a nice smooth radius Vs. sharp restrictive bend of molded...
Forum: RV-12/RV-12iS 07-17-2021, 06:40 AM
Replies: 7
Views: 697
Posted By Piper J3
I used Silicone High Performance Heater Hoses. I...

I used Silicone High Performance Heater Hoses. I used straight hose instead of a molded 90 degree elbow hose for the top of the #3 cylinder. I added a stainless steel Goodyear E-Z Coil to keep the...
Forum: RV-12/RV-12iS 07-15-2021, 01:11 AM
Replies: 8
Views: 940
Posted By Piper J3
Even so, just need “some” fuel in the tank to...

Even so, just need “some” fuel in the tank to prevent fuel/air ratio from becoming explosive. An empty tank, with only wetted surfaces, is explosion hazard. Automobiles have electric fuel pump...
Forum: RV-12/RV-12iS 07-15-2021, 01:00 AM
Replies: 15
Views: 1,625
Posted By Piper J3
Van’s instituted a Service Bulletin very early-on...

Van’s instituted a Service Bulletin very early-on to strengthen the fuel tank and mounting hardware. If crash was severe enough, the main landing gear could twist the U-channel carry-thru and the...
Forum: RV-12/RV-12iS 07-13-2021, 09:32 AM
Replies: 9
Views: 742
Posted By Piper J3
Car sees salt in winter and is exposed to...

Car sees salt in winter and is exposed to elements (parking lot 10 hours while at work). Airplane is in hanger something like 99% of time. Paint is happy...
Forum: RV-12/RV-12iS 07-13-2021, 07:19 AM
Replies: 10
Views: 1,218
Posted By Piper J3
Try these on main tires. I've been using TPM for...

Try these on main tires. I've been using TPM for a year and they work great.

https://www.amazon.com/gp/product/B07TB3GZF8/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
Forum: RV-12/RV-12iS 07-13-2021, 01:29 AM
Replies: 10
Views: 1,218
Posted By Piper J3
I use these also. Tires are not only larger in...

I use these also. Tires are not only larger in diameter but also wider. You need to enlarge opening in wheel fairing to allow >1/2" clearance all around tire. I operate off grass and no...
Forum: RV-12/RV-12iS 07-12-2021, 03:49 PM
Replies: 15
Views: 1,650
Posted By Piper J3
You got it...

You got it...
Forum: RV-12/RV-12iS 07-11-2021, 11:03 AM
Replies: 15
Views: 1,650
Posted By Piper J3
Van's Aircraft > Store > USB Flash Drive -

Van's Aircraft > Store > USB Flash Drive
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Forum: RV-12/RV-12iS 07-10-2021, 06:07 AM
Replies: 43
Views: 4,348
Posted By Piper J3
Good one. I love this thinking...

Good one. I love this thinking...
Forum: RV-12/RV-12iS 07-09-2021, 07:13 AM
Replies: 4
Views: 587
Posted By Piper J3
This might be a question best asked directly to...

This might be a question best asked directly to Van's especially if you are build E-LSA and not EAB.
Forum: RV-12/RV-12iS 07-07-2021, 03:24 AM
Replies: 7
Views: 1,271
Posted By Piper J3
I flew J-3 Cub for 23 years and then traded for...

I flew J-3 Cub for 23 years and then traded for early SN flying RV-12.

“Such things they have these days…”
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Forum: RV General Discussion/News 07-06-2021, 07:37 PM
Replies: 48
Views: 3,249
Posted By Piper J3
Owned J-3 CUB for 23 years and some 1100 hours. ...

Owned J-3 CUB for 23 years and some 1100 hours. Traded the Cub for a flying RV-12 five years ago and never looked back. I took 16 hour course for LSRM-A Certificate and now do my own Annual...
Forum: RV-12/RV-12iS 07-06-2021, 07:53 AM
Replies: 12
Views: 2,022
Posted By Piper J3
Not a whole lot different than tail wheel ops...

Not a whole lot different than tail wheel ops except loose end is in the front. Best to practice and become proficient with use of rudder pedals / brakes. With practice and knowing aircraft / pilot...
Forum: RV General Discussion/News 07-06-2021, 04:07 AM
Replies: 29
Views: 3,616
Posted By Piper J3
Flew with granddaughter to Sporty's in Batavia. ...

Flew with granddaughter to Sporty's in Batavia. Put 4.5 on the airplane. Solid blue skies going down and VFR on-top at 8.5 MSL coming back home. We had a blast...
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Forum: RV-12/RV-12iS 07-05-2021, 05:28 PM
Replies: 8
Views: 1,190
Posted By Piper J3
Not real familiar with the iS, but maybe you're...

Not real familiar with the iS, but maybe you're bowling on the wrong lane. I've seen it happen... :eek:
Forum: RV-12/RV-12iS 07-05-2021, 11:07 AM
Replies: 37
Views: 4,458
Posted By Piper J3
I tried searching for Sport Flight. Can you...

I tried searching for Sport Flight. Can you provide a link?
Forum: RV-12/RV-12iS 07-04-2021, 12:32 PM
Replies: 37
Views: 4,458
Posted By Piper J3
Call LEAF. They may be willing to send you a...

Call LEAF. They may be willing to send you a used CDI for trial, perhaps on condition that if you find yours is bad, you will buy new unit from them. Don't know if they do this anymore, but worth...
Forum: RV-12/RV-12iS 07-02-2021, 07:34 PM
Replies: 5
Views: 689
Posted By Piper J3
Just guessing… but sounds like perhaps you are...

Just guessing… but sounds like perhaps you are new owner of this airplane.

I would recommend removing lower cowling at oil change intervals to do a thorough inspection of the engine and...
Forum: RV-12/RV-12iS 07-02-2021, 04:34 PM
Replies: 14
Views: 1,376
Posted By Piper J3
Sounds like tough job. Usually dimple rib and...

Sounds like tough job. Usually dimple rib and skin separately and as an assembly. But, I guess if you're determined...
Forum: RV-12/RV-12iS 07-02-2021, 06:58 AM
Replies: 18
Views: 3,073
Posted By Piper J3
I think you need to add a "1" in front of the...

I think you need to add a "1" in front of the $350. When I discovered crack in my engine mount back in March, I researched new mount from Van’s. Cost was something like $1400 and several months...
Forum: RV-12/RV-12iS 07-01-2021, 04:13 PM
Replies: 5
Views: 462
Posted By Piper J3
The Facet electric pump is a solenoid pump that...

The Facet electric pump is a solenoid pump that shuttles a spool back/forth. Check valves cause the fuel to travel only in one direction. To be honest, I don’t know how the Facet pump would affect...
Forum: RV-12/RV-12iS 07-01-2021, 09:33 AM
Replies: 18
Views: 3,073
Posted By Piper J3
Cracks can, and do, happen outside Heat Affected...

Cracks can, and do, happen outside Heat Affected Zone.

I have proof...
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Forum: RV-12/RV-12iS 07-01-2021, 08:04 AM
Replies: 18
Views: 3,073
Posted By Piper J3
Looks like a crack to me. Everything nice and...

Looks like a crack to me. Everything nice and clean - how many hours on airplane?
Forum: RV-12/RV-12iS 06-30-2021, 02:51 PM
Replies: 25
Views: 1,970
Posted By Piper J3
Use Rapco Brake Lining Rivet Set & Punch Tool. ...

Use Rapco Brake Lining Rivet Set & Punch Tool. Does very nice professional job...
Forum: RV-12/RV-12iS 06-29-2021, 10:14 AM
Replies: 25
Views: 1,970
Posted By Piper J3
Qty (2) WHLBRL-1 - BRAKE RELINE KIT

Qty (2) WHLBRL-1 - BRAKE RELINE KIT
Forum: RV-12/RV-12iS 06-28-2021, 01:24 PM
Replies: 3
Views: 806
Posted By Piper J3
Any chance of a PN?

Any chance of a PN?
Forum: RV-12/RV-12iS 06-27-2021, 03:18 PM
Replies: 3
Views: 806
Posted By Piper J3
McFarlane Vernier Throttle - Friction Lock

I friend has both torsion and extension throttle springs on his RV-12 equipped with McFarlane Vernier Throttle. The knurled friction lock has been marginal for a while, and now with added springs,...
Forum: RV General Discussion/News 06-26-2021, 11:12 AM
Replies: 28
Views: 2,842
Posted By Piper J3
Motorcycle guys tell me they use water with 15%...

Motorcycle guys tell me they use water with 15% hydrogen peroxide. Suppose to bubble and loosen the bugs for simple wipe off.
Forum: RV General Discussion/News 06-26-2021, 08:02 AM
Replies: 28
Views: 2,842
Posted By Piper J3
Goo Gone...

Too windy to fly today so I decided to clean the large bug-catcher. Tried Nu Finish Rapid Shine Spray Polish and didn’t like it at all. For the heck of it I sprayed a little bit of Goo Gone on the...
Forum: The RV Grin 06-25-2021, 02:41 AM
Replies: 2
Views: 707
Posted By Piper J3
Flew to Lunch

My 12 YO granddaughter's 4th flight and first in two years (COVID). Yesterday she flew me to KTSO (80nm) for lunch. I did TO / landing and she flew entire flight out and back keeping altitude and...
Forum: RV-12/RV-12iS 06-24-2021, 07:56 PM
Replies: 14
Views: 2,097
Posted By Piper J3
It's always something Gilda...

It's always something Gilda...
Forum: RV-12/RV-12iS 06-21-2021, 06:31 PM
Replies: 25
Views: 3,394
Posted By Piper J3
Perhaps Van's can supply more info on this so...

Perhaps Van's can supply more info on this so folks like me can identify building error on our own planes...
Forum: RV-12/RV-12iS 06-21-2021, 02:54 PM
Replies: 153
Views: 13,506
Posted By Piper J3
Just a quick follow-up on oil access door cooling fan…

Yesterday we went to a Father’s Day breakfast fly-in and temp was 85F with killer humidity. Parked airplane and placed cooling fan (see post 135 above) over oil door. Had breakfast and socialized...
Forum: RV-12/RV-12iS 06-21-2021, 02:37 PM
Replies: 25
Views: 3,394
Posted By Piper J3
I’ll go out on a limb here…

Use 50/50 mix DEXCOOL – either mix yourself from concentrate with distilled water or purchase 50/50 already mixed.

Synthetic oil is much better for high temperature. Petroleum motor oils don’t...
Forum: RV-12/RV-12iS 06-21-2021, 08:22 AM
Replies: 29
Views: 3,599
Posted By Piper J3
I don't think I'd trust nut plates with fast...

I don't think I'd trust nut plates with fast spinning weight. Better to ream hole for correct AN bolt and then split weights (washers) front and back of spinner plate. The washers will trap the...
Forum: RV-12/RV-12iS 06-21-2021, 08:15 AM
Replies: 22
Views: 6,076
Posted By Piper J3
I learned something about Super Glue. See post...

I learned something about Super Glue. See post #16 above. Super Glue is Cyanoacrylate and has max operating temp of 180°F. I flew 45 minute flight with repaired (splint) pitot tube and it failed...
Forum: RV General Discussion/News 06-20-2021, 06:24 AM
Replies: 29
Views: 3,743
Posted By Piper J3
One week late... I forgot to jump on this thread...

One week late... I forgot to jump on this thread last weekend. We fly to Neil Armstrong (AXV) for new terminal building dedication. Weather was perfect. Had a great time...
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Forum: RV General Discussion/News 06-20-2021, 01:07 AM
Replies: 29
Views: 3,743
Posted By Piper J3
Getting ready for 36th Annual Father’s Day Fly-in...

Getting ready for 36th Annual Father’s Day Fly-in Breakfast from 8:00 am to 1:00 pm at Beach City Airport (2D7). Starting to check weather now at 3 AM. I've been going to this fly-in for over 25...
Forum: RV-12/RV-12iS 06-18-2021, 04:32 AM
Replies: 22
Views: 6,076
Posted By Piper J3
I had IAS failure this week as I was approaching...

I had IAS failure this week as I was approaching an out-lying airport. IAS went bonkers and showed a rapidly fluctuating 20-30 knots. I brought up a speedometer app on the iPad I use for foreflight...
Forum: RV-12/RV-12iS 06-16-2021, 07:20 PM
Replies: 24
Views: 3,489
Posted By Piper J3
You might want to ask this question in the Rotax...

You might want to ask this question in the Rotax Forum for 912 / 914 Technical Questions.

See... https://www.rotax-owner.com/en/912-914-technical-questions
Forum: RV-12/RV-12iS 06-16-2021, 07:14 PM
Replies: 29
Views: 3,599
Posted By Piper J3
Tonight, we just finished a friends RV-12 prop...

Tonight, we just finished a friends RV-12 prop balance. See post #1 above. Started at 0.46 IPS and we added a single 14.96 gram weight at 4-1/4" radius to achieve 0.06 IPS. We flew the plane for...
Forum: RV-12/RV-12iS 06-15-2021, 08:06 PM
Replies: 11
Views: 1,483
Posted By Piper J3
Oooops, I misspoke, IPS started at 0.46 and not...

Oooops, I misspoke, IPS started at 0.46 and not 4.6. Final balance is 0.06 IPS. Good thing I don't balance the checking account...
Forum: RV-12/RV-12iS 06-14-2021, 07:34 PM
Replies: 10
Views: 1,618
Posted By Piper J3
What makes the RV-12 one of Van’s safest...

What makes the RV-12 one of Van’s safest airplanes is excellent 5-point harness, strong roller bar, light airframe weight, and very low stall speed. Off-field landing is very survivable if airplane...
Forum: RV-12/RV-12iS 06-14-2021, 09:42 AM
Replies: 10
Views: 1,618
Posted By Piper J3
I checked my airplane today and crotch buckle is...

I checked my airplane today and crotch buckle is straight. Maybe newer builds have the angle?

Haven't asked wife's opinion yet, probably be un-printable...:D
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Forum: RV-12/RV-12iS 06-13-2021, 06:09 PM
Replies: 11
Views: 1,483
Posted By Piper J3
Correct answer would be Rotax should make parts...

Correct answer would be Rotax should make parts from hardened steel. $48 for arm and $28 for the bushing per carb. Nice business, if you can get it...
Forum: RV-12/RV-12iS 06-13-2021, 03:15 PM
Replies: 10
Views: 1,618
Posted By Piper J3
This is a Synergy-built airplane, so all bets are...

This is a Synergy-built airplane, so all bets are off...
Forum: RV-12/RV-12iS 06-13-2021, 01:33 PM
Replies: 11
Views: 1,483
Posted By Piper J3
Looks like we saved ~$160 + shipping. Why so...

Looks like we saved ~$160 + shipping. Why so expensive???
Forum: RV-12/RV-12iS 06-13-2021, 11:50 AM
Replies: 10
Views: 1,618
Posted By Piper J3
RV-12 Crotch Strap...

So, today we are Dynamically Balancing Prop and getting in/out of airplane a bunch of times and I noticed something odd, really odd...

Why is the metal buckle on the crotch strap bent at an angle?...
Forum: RV-12/RV-12iS 06-13-2021, 11:38 AM
Replies: 11
Views: 1,483
Posted By Piper J3
Right you are Tony - see pic below. I bought two...

Right you are Tony - see pic below. I bought two (never used) 914 carbs on eBay a couple years ago for $395.
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Forum: RV-12/RV-12iS 06-13-2021, 11:03 AM
Replies: 11
Views: 1,483
Posted By Piper J3
Carb Throttle Arm and Cable Bushing…

We are doing Dynamic Prop Balance on RV-12 with 370TT. IPS started at 4.6 and now at 0.6 without too much fuss. We are also doing carb balance and notice throttle arm / cable bushing wear on both...
Forum: RV-12/RV-12iS 06-12-2021, 11:23 AM
Replies: 3
Views: 745
Posted By Piper J3
You are experiencing the normal process. ...

You are experiencing the normal process. Patience and calm are your friends...
Forum: RV-12/RV-12iS 06-11-2021, 10:36 AM
Replies: 14
Views: 2,097
Posted By Piper J3
Check wires at base of GPS puck antenna. ...

Check wires at base of GPS puck antenna. Mounting holes are such that wires do not pass thru center of clearance hole. We noticed cut/frayed wires on Synergy built RV-12.
Forum: RV-12/RV-12iS 06-10-2021, 10:25 AM
Replies: 11
Views: 1,726
Posted By Piper J3
You mention the “cool” factor for three-blades. ...

You mention the “cool” factor for three-blades. I saw the three-blade prop at Van’s both two years ago at KOSH. I thought it really looked bad. Blades are smaller cord to disperse same fixed HP. ...
Forum: RV-12/RV-12iS 06-09-2021, 01:29 PM
Replies: 12
Views: 1,842
Posted By Piper J3
The rubber seals on the RV-12 main wheels are...

The rubber seals on the RV-12 main wheels are indeed lip seals. They are removable and not integral with the bearing.

Tapered roller bearings are excellent for radial and axial loads. Also, very...
Forum: RV-12/RV-12iS 06-08-2021, 08:28 AM
Replies: 12
Views: 1,842
Posted By Piper J3
I question how often main wheel bearings really...

I question how often main wheel bearings really need to be repacked… Consider rear drive automobile – some cars never have front wheel bearings repacked and still continue to function for 100K miles...
Forum: RV-12/RV-12iS 06-08-2021, 07:15 AM
Replies: 12
Views: 1,842
Posted By Piper J3
Front wheel has sealed bearings as supplied by...

Front wheel has sealed bearings as supplied by mfgr.

Unless I'm missing something...
Forum: RV-12/RV-12iS 06-07-2021, 05:56 PM
Replies: 12
Views: 1,842
Posted By Piper J3
Pardon my ignorance... Why sealed bearings, and...

Pardon my ignorance... Why sealed bearings, and why on an RV-12?
Forum: RV-12/RV-12iS 06-06-2021, 03:50 PM
Replies: 29
Views: 3,599
Posted By Piper J3
Right... what I'm wondering is how much weight...

Right... what I'm wondering is how much weight folks have used to balance the Sensenich ground adjustable prop on RV-12. I'd like to see if we are in ballpark...
Forum: RV-12/RV-12iS 06-06-2021, 03:17 PM
Replies: 29
Views: 3,599
Posted By Piper J3
Prop Balance - How Much Weight to Add?

We are balancing a RV-12 prop with DynaVibe. It's our first experience doing this. The unit is telling us 0.4IPS x 50 grams starting point = 20 grams weight.

Does that sound reasonable?
How much...
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