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Search: Posts Made By: Bob Y
Forum: RV-12/RV-12iS Yesterday, 10:17 AM
Replies: 110
Views: 13,106
Posted By Bob Y
Fuselage or empennage?

Fuselage or empennage?
Forum: RV-12/RV-12iS 05-24-2022, 04:55 PM
Replies: 2
Views: 241
Posted By Bob Y
Not without developing your own design. The...

Not without developing your own design. The differences are significant. This subject has been brought up before on this forum.
Forum: RV-12/RV-12iS 05-23-2022, 08:26 AM
Replies: 15
Views: 1,210
Posted By Bob Y
If you want to be more assured, top it off with...

If you want to be more assured, top it off with 100LL and youíll definitely be fine.
Forum: RV-12/RV-12iS 05-22-2022, 03:30 PM
Replies: 15
Views: 1,826
Posted By Bob Y
Not sure of the significance, but it appears the...

Not sure of the significance, but it appears the original exhaust springs, # 938 795, have been superseded by part # 938 796. Rotax says the old ones can still be used, but wonder what was changed? ...
Forum: RV-12/RV-12iS 05-17-2022, 02:14 PM
Replies: 31
Views: 7,922
Posted By Bob Y
Double check that your fuel sensor is set for the...

Double check that your fuel sensor is set for the 150 psi DIFFERENTIAL sensor. The fact youíre readings are about half of what they should be seems to point to sensor configuration. The fuel...
Forum: RV-12/RV-12iS 05-14-2022, 06:16 PM
Replies: 4
Views: 782
Posted By Bob Y
In my plans, which were earlier than yours...

In my plans, which were earlier than yours (6/11/18, revision. 0), the hole was 3/16Ē and it used an SB187-2 bushing. It was tight running the wires, but they did fit. So, assuming itís still the...
Forum: RV-12/RV-12iS 05-12-2022, 05:55 PM
Replies: 7
Views: 890
Posted By Bob Y
Suggest you reach out to Dynon to give you an...

Suggest you reach out to Dynon to give you an authoritative answer. Not sure from the description if it the calibration impact on the ADAHRS is permanent or requires factory recalibration.
Forum: RV-12/RV-12iS 05-10-2022, 05:26 AM
Replies: 7
Views: 890
Posted By Bob Y
Donít know about Garmin, but if youíve got a...

Donít know about Garmin, but if youíve got a Dynon system, see section 5Ė20 of the installation manual.
Forum: RV-12/RV-12iS 05-09-2022, 11:41 AM
Replies: 53
Views: 5,136
Posted By Bob Y
Best I could do was get a borescope down there to...

Best I could do was get a borescope down there to inspect it when I had to replace my mechanical fuel gauge. Not sure if I could get it down there through the fuel filler. Iíll find out when I try...
Forum: RV-12/RV-12iS 05-09-2022, 04:58 AM
Replies: 53
Views: 5,136
Posted By Bob Y
No, just cleaning the Andair coarse filter. With...

No, just cleaning the Andair coarse filter. With no help regarding the feasibility of doing so from Vanís on this question, or any other iS owner, Iíve concluded the finger strainer in the iS is...
Forum: RV-12/RV-12iS 05-07-2022, 01:54 PM
Replies: 4
Views: 387
Posted By Bob Y
I havenít used it myself but hereís the data...

I havenít used it myself but hereís the data sheet.

http://www.rv8.it/pdf/Sherwin%20Wiiliams%20W-Primer.pdf

Note the topcoat is supposed to be applied 30-60 minutes after the primer, and not...
Forum: RV-12/RV-12iS 05-05-2022, 06:57 PM
Replies: 2
Views: 465
Posted By Bob Y
Ran wire harness, connected fuel pumps, installed...

Ran wire harness, connected fuel pumps, installed and connected fuel pressure sensor, ADS-B in module and roll autopilot servo. Definitely not impossible to have installed with it on, but I was glad...
Forum: RV-12/RV-12iS 04-28-2022, 08:52 AM
Replies: 53
Views: 5,136
Posted By Bob Y
Guys, while youíre removing the pumps and waiting...

Guys, while youíre removing the pumps and waiting for the new ones, take the opportunity to remove and clean your coarse filter too. Iím near 200 hours and still getting Scotchbrite residue from...
Forum: RV-12/RV-12iS 04-22-2022, 02:04 PM
Replies: 53
Views: 5,136
Posted By Bob Y
Just replaced my pumps, which were impacted by...

Just replaced my pumps, which were impacted by this SB. Super service from Lockwood. They received my old ones in the morning and had my replacements in the return mail the same day! Only down one...
Forum: RV-12/RV-12iS 04-14-2022, 02:54 PM
Replies: 11
Views: 1,948
Posted By Bob Y
You can see the response I received on the Rotax...

You can see the response I received on the Rotax Owners forum.

https://www.rotax-owner.com/en/912is-technical-questions/9191-e15-mogas

I’ve already got a text kit on order.
Forum: RV-12/RV-12iS 04-13-2022, 08:13 PM
Replies: 53
Views: 5,136
Posted By Bob Y
You have one year. See text in the SB. ďCarry...

You have one year. See text in the SB.

ďCarry out this replacement of the fuel pump assemblies listed in section 1.1., according to the instructions in Chapter 3 at the next ROTAXģ scheduled...
Forum: RV-12/RV-12iS 04-13-2022, 02:43 PM
Replies: 11
Views: 1,948
Posted By Bob Y
Great minds…. And I started the same discussion...

Great minds…. And I started the same discussion earlier today on the 912iS forum…

https://www.rotax-owner.com/en/912is-technical-questions/9191-e15-mogas
Forum: RV-12/RV-12iS 04-11-2022, 08:39 PM
Replies: 53
Views: 5,136
Posted By Bob Y
The earlier fuel pumps were labeled that way. ...

The earlier fuel pumps were labeled that way. Rotax subsequently changed to individual numbering. My initial fuel pumps (May 2019) were labeled as yours are. They were replaced due to being in the...
Forum: RV-12/RV-12iS 04-11-2022, 01:54 PM
Replies: 53
Views: 5,136
Posted By Bob Y
Then it looks like I too join the ď...

Then it looks like I too join the ď grrrrrrrrr....Ē club 😤
Forum: RV-12/RV-12iS 04-11-2022, 12:04 PM
Replies: 53
Views: 5,136
Posted By Bob Y
I know someone will correct me if Iím wrong, but...

I know someone will correct me if Iím wrong, but the SB appears to be for pumps with part number 889694, does it not?
Forum: RV-12/RV-12iS 04-11-2022, 08:19 AM
Replies: 7
Views: 1,068
Posted By Bob Y
The opening certainly isnít generous, but by...

The opening certainly isnít generous, but by flexing the lens, you should be able to remove it. Iíve had mine out for painting. Now, removing the light itself after closing the wing would be a...
Forum: RV-12/RV-12iS 04-11-2022, 08:16 AM
Replies: 53
Views: 5,136
Posted By Bob Y
Yes, they are printed on the pump housings. You...

Yes, they are printed on the pump housings. You should document the model and serial number of everything you can during your build, as this wonít be the last time youíll need to check for one of...
Forum: RV-12/RV-12iS 03-29-2022, 05:21 PM
Replies: 35
Views: 3,868
Posted By Bob Y
Are you using cable hose clamp pliers similar to...

Are you using cable hose clamp pliers similar to these? They sure helped me with my installation.
Forum: RV-12/RV-12iS 03-24-2022, 07:30 PM
Replies: 4
Views: 897
Posted By Bob Y
If the pressure at the fuel rail is right as...

If the pressure at the fuel rail is right as verified by your test gauge, is there any chance youíve got a partial blockage at the fuel pressure sensor port? If you installed a different sensor, you...
Forum: RV-12/RV-12iS 03-24-2022, 11:43 AM
Replies: 7
Views: 1,068
Posted By Bob Y
If youíve got the newer wings in which Vanís has...

If youíve got the newer wings in which Vanís has already punched the lens cutout, they should be identical. After making the left lens, Iíd simply trial fit the left lens on the right wing skin...
Forum: RV-12/RV-12iS 03-21-2022, 06:23 PM
Replies: 6
Views: 1,070
Posted By Bob Y
Hereís the KAI section showing the Dynon ADAHRS. ...

Hereís the KAI section showing the Dynon ADAHRS. You can see that the AOA, pitot and static lines are all independent of each other, so no cross venting. And I have never been able to get a good...
Forum: RV-12/RV-12iS 03-20-2022, 05:47 PM
Replies: 4
Views: 530
Posted By Bob Y
Right or wrong, I placed my manufactured heads on...

Right or wrong, I placed my manufactured heads on the inboard side. Not sure if it was a conscious decision or just intuitive, but no issues this way. Proceed at your own risk 🙂
Forum: RV-12/RV-12iS 03-18-2022, 07:18 PM
Replies: 12
Views: 1,970
Posted By Bob Y
It certainly will have an impact on roll trim. ...

It certainly will have an impact on roll trim. If youíve got the build plans, section 18 is for the flaperons. See attached for the 11/32Ē dimension from center of the rod end to the flaperon skin.
Forum: RV-12/RV-12iS 03-15-2022, 03:04 PM
Replies: 13
Views: 5,384
Posted By Bob Y
No, sorry, it’s pretty much trial and error. On...

No, sorry, it’s pretty much trial and error. On my first flight, mine was going off the 70 kts! Quite annoying.
Forum: RV-12/RV-12iS 03-15-2022, 12:42 PM
Replies: 18
Views: 1,644
Posted By Bob Y
Even if you did use Flightline Specialtyís fuel...

Even if you did use Flightline Specialtyís fuel lines, it doesnít include the looooong F-12127D line, which is the most complex to fabricate. So, youíd still need to sharpen your bending and...
Forum: RV-12/RV-12iS 03-15-2022, 12:37 PM
Replies: 13
Views: 5,384
Posted By Bob Y
If the stall switch is the same on the 9 as the...

If the stall switch is the same on the 9 as the 12, the stall vein operates a microswitch, which is adjustable via screws. To reduce the chance of moving the switch out of a ligament, I insert a...
Forum: RV-12/RV-12iS 03-12-2022, 06:02 PM
Replies: 23
Views: 2,930
Posted By Bob Y
If you get one of these and a translucent...

If you get one of these and a translucent extension hose you can tell if youíre pumping air and it allows for a one-person job. I probably have to run a good quart or more through mine to get most...
Forum: RV-12/RV-12iS 03-11-2022, 03:38 PM
Replies: 5
Views: 963
Posted By Bob Y
While youíre back in the tail cone addressing...

While youíre back in the tail cone addressing SB-00053, you might check the security of the DB-9 connector on the ADAHRS.
Forum: RV-12/RV-12iS 03-04-2022, 06:39 PM
Replies: 110
Views: 13,106
Posted By Bob Y
Just a guess here, but have you been following...

Just a guess here, but have you been following the SB-00053 thread? My guess is that thereís a redesign in works to address it, which is driving the delay. A friend of mine just got a call from...
Forum: RV-12/RV-12iS 03-04-2022, 10:02 AM
Replies: 247
Views: 37,717
Posted By Bob Y
The approach we took using the moving blankets...

The approach we took using the moving blankets seemed to address that issue. We laid them between the skin and the cables to give vertical support and over them to help distribute the weight. The...
Forum: RV-12/RV-12iS 03-02-2022, 05:59 AM
Replies: 247
Views: 37,717
Posted By Bob Y
Steve, the rivets in the skin were drilled out...

Steve, the rivets in the skin were drilled out before entering the tail cone.

Alan, all of the shop heads were facing forward. That’s how they’re oriented on mine too. And right or wrong, I have...
Forum: RV-12/RV-12iS 03-01-2022, 06:12 PM
Replies: 247
Views: 37,717
Posted By Bob Y
We installed the kit in a flying plane today. My...

We installed the kit in a flying plane today. My fellow 12iS owner got his SB kit before me, so his was the Guinea Pig. Hereís how it went for usÖ

Tail cone mechanic specifications:
65 years...
Forum: RV-12/RV-12iS 02-27-2022, 08:42 PM
Replies: 247
Views: 37,717
Posted By Bob Y
You just described a rivet removal tool, which is...

You just described a rivet removal tool, which is the approach I plan to take using a right-angle drill. At least thatís plan A.
Forum: RV-12/RV-12iS 02-26-2022, 06:49 AM
Replies: 49
Views: 5,765
Posted By Bob Y
If youíve already installed your floor panel,...

If youíve already installed your floor panel, removing the handle from the tool allows it to fit ok too - tight, but it works.
Forum: RV-12/RV-12iS 02-23-2022, 05:21 AM
Replies: 4
Views: 1,488
Posted By Bob Y
Since the two spar-pin switches are just wired in...

Since the two spar-pin switches are just wired in series with each other, it would be simple to break that circuit and wire a pair of alligator clips, or similar, in the broken circuit that you clip...
Forum: RV-12/RV-12iS 02-21-2022, 09:46 AM
Replies: 2
Views: 579
Posted By Bob Y
Yes, it does.

Yes, it does.
Forum: RV-12/RV-12iS 02-21-2022, 08:04 AM
Replies: 13
Views: 1,723
Posted By Bob Y
I used rubber U molding at the base of my...

I used rubber U molding at the base of my vertical stabilizer. The 05-01400 size. I used it to protect the paint when installing.

https://www.aircraftspruce.com/catalog/appages/uchannel.php
Forum: RV-12/RV-12iS 02-15-2022, 03:20 PM
Replies: 37
Views: 4,799
Posted By Bob Y
Hereís a link to my DropBox with the E-LSA...

Hereís a link to my DropBox with the E-LSA Program Letter I got at an EAA workshop. Itís what I used for my DAR.

https://www.dropbox.com/s/hio7825v5wzr4kb/PROGRAM%20LETTER%20RV-12%20ELSA.docx?dl=0
Forum: RV-12/RV-12iS 02-14-2022, 01:44 PM
Replies: 25
Views: 3,042
Posted By Bob Y
Out of curiosity, why is the suggested pitch 71.4...

Out of curiosity, why is the suggested pitch 71.4 for the ULS but 71.2 for the iS?
Forum: RV-12/RV-12iS 02-12-2022, 06:13 AM
Replies: 25
Views: 3,042
Posted By Bob Y
Per the Maintenance Manual, this is an authorized...

Per the Maintenance Manual, this is an authorized substitution, so I assume acceptable on an S-LSA too.
Forum: RV-12/RV-12iS 02-07-2022, 08:06 AM
Replies: 9
Views: 1,601
Posted By Bob Y
This is the photo Vanís has on their website for...

This is the photo Vanís has on their website for the pre-made 12iS panel. I assume Vanís or Steinair could tell you what the color code is for matching.
Forum: RV-12/RV-12iS 02-04-2022, 09:24 AM
Replies: 110
Views: 13,106
Posted By Bob Y
Hereís mine in the back of my Chevy Colorado - 5í...

Hereís mine in the back of my Chevy Colorado - 5í bed.
Forum: RV-12/RV-12iS 02-02-2022, 11:35 AM
Replies: 37
Views: 4,799
Posted By Bob Y
Of course it would be fraud, but apparently the...

Of course it would be fraud, but apparently the FAA is concerned about some kind of fraud to have the in-person issuance requirement. I was just hoping someone had a good explanation for the...
Forum: RV-12/RV-12iS 02-02-2022, 08:04 AM
Replies: 37
Views: 4,799
Posted By Bob Y
So, if I sent my friendly A&P to take the course...

So, if I sent my friendly A&P to take the course and exam and say they were me, itís only important that itís me that picks up the certificate? Must be another devious reason Iím not able to...
Forum: RV-12/RV-12iS 02-02-2022, 07:40 AM
Replies: 37
Views: 4,799
Posted By Bob Y
Can someone explain the value in requiring the...

Can someone explain the value in requiring the applicant for the inspection certificate obtaining it in person? Who cares who picks up the certificate? Isnít whatís important that verifying the...
Forum: RV-12/RV-12iS 01-26-2022, 07:27 PM
Replies: 360
Views: 483,088
Posted By Bob Y
I used this on my iS for better visibility...

I used this on my iS for better visibility too.

https://www.pacificcustoms.com/ac201050-200.html

With minimum order charge and shipping itís not cheap. Find some friends and order enough to reach...
Forum: RV-12/RV-12iS 01-20-2022, 03:01 PM
Replies: 7
Views: 1,048
Posted By Bob Y
Dynon...

Dynon 16.4.2

https://preflight.dynonavionics.com/2021/12/skyview-software-version-162-now.html
Forum: RV-12/RV-12iS 01-20-2022, 12:35 PM
Replies: 41
Views: 6,653
Posted By Bob Y
One of the reasons I went E-LSA was so subsequent...

One of the reasons I went E-LSA was so subsequent owners could opt to take the 16 hr inspection course to allow them to perform their own CIs. Thought that might be a positive selling point for some.
Forum: RV-12/RV-12iS 01-13-2022, 12:39 PM
Replies: 8
Views: 1,077
Posted By Bob Y
Ok, so this is what I learned in the Rotax course...

Ok, so this is what I learned in the Rotax course at LockwoodÖ. If after the oil purge the rocker arms have some give, run the engine for a period below 3500 rpm, as mentioned earlier. Repeat if...
Forum: RV-12/RV-12iS 01-13-2022, 12:05 PM
Replies: 8
Views: 1,077
Posted By Bob Y
If you donít have it, hereís the link to the...

If you donít have it, hereís the link to the purge instructions.

https://legacy.rotaxowner.com/si_tb_info/serviceinfo/si-916i-003-r1.pdf
Forum: RV-12/RV-12iS 12-30-2021, 01:49 PM
Replies: 3
Views: 1,133
Posted By Bob Y
If anyone wants to consider a trick to simplify...

If anyone wants to consider a trick to simplify installation of the HIC module without using those short 6-32 screws, you might consider this. It worked great for me. Just cut a pair of 2Ē long...
Forum: RV-12/RV-12iS 12-24-2021, 12:41 PM
Replies: 2
Views: 731
Posted By Bob Y
Canít help with diagnosing your fault, but this...

Canít help with diagnosing your fault, but this is the legend for the fusebox fuses. And F20 and F21 are the alternator output fuses.
Forum: RV-12/RV-12iS 12-17-2021, 06:01 PM
Replies: 10
Views: 1,667
Posted By Bob Y
Letís answer it in a different wayÖ the oil you...

Letís answer it in a different wayÖ the oil you remove from the oil tank circulated through both the crankcase and the gearbox.
Forum: RV-12/RV-12iS 12-17-2021, 05:11 PM
Replies: 10
Views: 1,667
Posted By Bob Y
No, Amadeus, the gearbox does not retain that...

No, Amadeus, the gearbox does not retain that much oil and after shut down, most drains out. I took the attached photo of my gearbox housing when I removed mine. Very little oil leaked out when I...
Forum: RV-12/RV-12iS 12-04-2021, 08:02 PM
Replies: 10
Views: 2,863
Posted By Bob Y
Something Iíve noticed on mine is that due to the...

Something Iíve noticed on mine is that due to the camber of the wheels, the outside will wear more if the tires are inflated to the maximum 28 psi level. Interesting that the KAI tells us to inflate...
Forum: RV-12/RV-12iS 12-02-2021, 09:31 AM
Replies: 2
Views: 753
Posted By Bob Y
Switch position only.

Switch position only.
Forum: RV-12/RV-12iS 11-29-2021, 07:34 PM
Replies: 8
Views: 1,114
Posted By Bob Y
I donít know if any of these will help you out,...

I donít know if any of these will help you out, but these are the photos I took of this area during my build.
Forum: RV-12/RV-12iS 11-18-2021, 06:08 AM
Replies: 13
Views: 2,981
Posted By Bob Y
Nice! This was my solution for reaching the...

Nice! This was my solution for reaching the passenger-side vent for us more altitude impaired!
Forum: RV-12/RV-12iS 11-18-2021, 06:05 AM
Replies: 2
Views: 748
Posted By Bob Y
Itís the generator B ground wire. You should...

Itís the generator B ground wire. You should find a white jumper wire with ring terminals on both ends in your wire harness kit. One end goes under the brake-fluid reservoir mounting bolt and the...
Showing results 1 to 64 of 360

 
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