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Search: Posts Made By: ronoc74
Forum: RV-9/9A 10-03-2013, 06:22 AM
Replies: 14
Views: 2,941
Posted By ronoc74
I have a 9A with a Superior XP-IO-320 which seems...

I have a 9A with a Superior XP-IO-320 which seems to make slightly more than 160hp. It swings an 81" Sensenich at 2240 static rpm and cruise performance numbers are here....
Forum: RV Ongoing Maintenance Issues 06-07-2013, 12:55 AM
Replies: 5
Views: 2,500
Posted By ronoc74
Apparently the Carter P74015 is a direct...

Apparently the Carter P74015 is a direct replacement for the Airflow pump. I don't remeber who said that, it was years ago. Also I have this in my notes, don't know who wrote it:

The 25 micron (...
Forum: RV General Discussion/News 05-25-2013, 06:36 PM
Replies: 24
Views: 4,220
Posted By ronoc74
Another possibility is flashings blocking air...

Another possibility is flashings blocking air passages through the cooling fins. Some people have lowered temps by 40F after filing these down. I don't have any further details on the problem though.
Forum: RV General Discussion/News 05-25-2013, 12:14 AM
Replies: 24
Views: 4,220
Posted By ronoc74
My cowl doesn't have these ramps and temps have...

My cowl doesn't have these ramps and temps have never exceeded 390 in the climb since the engine was broken in. Makes me wonder what they'd be if I installed them!

I'd be looking at ignition timing...
Forum: Safety 04-25-2013, 01:48 AM
Replies: 47
Views: 9,329
Posted By ronoc74
I set the idle on my fixed-pitch 9A to about 550...

I set the idle on my fixed-pitch 9A to about 550 and it certainly helped with landing. I don't actually run it at 550 but with a P-mag EI it's happy at 600. Make sure that your idle mixture is...
Forum: Electronic Ignition Systems 11-22-2012, 05:15 PM
Replies: 7
Views: 2,234
Posted By ronoc74
Thumbs up I have one P-mag and one Slick mag on an...

I have one P-mag and one Slick mag on an XP-IO-320. Running an extra 2" of pitch over the recommended prop and very happy with the performance. It will still exceed 2600 rpm at 8,500 ft so once I go...
Forum: RV-9/9A 11-16-2012, 09:49 PM
Replies: 10
Views: 6,692
Posted By ronoc74
Probably a little more because the rpm drops too,...

Probably a little more because the rpm drops too, which can't be avoided.
Forum: RV-9/9A 11-16-2012, 01:41 PM
Replies: 10
Views: 6,692
Posted By ronoc74
It's my prop that has a 2600 rpm limit. There's...

It's my prop that has a 2600 rpm limit. There's harmonic vibration centered around 2700 rpm.
Forum: RV-9/9A 11-15-2012, 04:31 PM
Replies: 10
Views: 6,692
Posted By ronoc74
Some performance numbers with 81" Sensenich

We've tweaked the flow gauge parameter and corrected a static error, so now that I have accurate fuel flow and TAS within 1 knot at 140 kt, I can report some accurate numbers. I chose the 81" over...
Forum: RV Photo/Video URLs 11-14-2012, 05:47 PM
Replies: 10
Views: 4,106
Posted By ronoc74
Solar eclipse

Three RVs flew north to intercept the solar eclipse in north-east Australia yesterday. I flew my 9A accompanied by friends in a 6 and a 10. Here are a couple of videos and some photos taken from 9500...
Forum: RV General Discussion/News 09-02-2012, 01:04 AM
Replies: 12
Views: 2,778
Posted By ronoc74
Probably a long shot but I remember reading...

Probably a long shot but I remember reading somewhere ages ago about an engine with similar symptoms and the camshaft drive gear was one tooth off the correct timing.
Forum: Propellers 07-29-2012, 09:20 PM
Replies: 9
Views: 2,745
Posted By ronoc74
Steve, it depends on your priorities. At about...

Steve, it depends on your priorities. At about 8000' density altitude I can run WOT and LOP at just under 2400 rpm which is a good economical full throttle cruise. If I wanted better takeoff...
Forum: Propellers 07-29-2012, 08:39 PM
Replies: 9
Views: 2,745
Posted By ronoc74
I have a 160hp XP-IO-320 with an 81" Sensenich...

I have a 160hp XP-IO-320 with an 81" Sensenich and it runs about 2220 rpm static and 2340 at 110 knots indicated while climbing at WOT. It will just exceed 2600 rpm in speed runs at 1000 ft and 7500...
Forum: RV-9/9A 06-05-2012, 10:38 PM
Replies: 56
Views: 28,202
Posted By ronoc74
If I remember rightly, these holes are...

If I remember rightly, these holes are pre-punched elongated. The problem with this is the sheared edge from the punch, with its fine cracks, won't be tidied up by match drilling with the HS spar. It...
Forum: RV-7/7A 08-29-2009, 07:52 AM
Replies: 9
Views: 1,838
Posted By ronoc74
Here's another option - one of these might...

Here's another option - one of these might work:
http://www.aircraftspruce.com/catalog/appages/extcontrols.php
Forum: RV-7/7A 10-14-2007, 08:42 AM
Replies: 8
Views: 1,702
Posted By ronoc74
You could try the old trick of pre-squeezing a...

You could try the old trick of pre-squeezing a 3/32" rivet until it fits the hole. Use a hand squeezer and probably a 0.5 longer rivet.
Forum: RV-9/9A 09-30-2007, 09:31 AM
Replies: 15
Views: 1,755
Posted By ronoc74
BTW, the best way to remove a rivet without...

BTW, the best way to remove a rivet without ovaling the hole is to drill just deep enough to break off the head with a pin punch, then have a helper hold a bucking bar (with edges taped) next to the...
Forum: RV-9/9A 06-29-2007, 06:22 AM
Replies: 4
Views: 1,242
Posted By ronoc74
Delete these for fuel injection: VA-149-320-PC...

Delete these for fuel injection:

VA-149-320-PC KIT (THRTLE/MIX BRCKT/320)
VA-161 (GASCOLATOR DOUBLER)
GAS-5 (GASCOLATOR 117 MICRON)
Probably this too:
PT-035X1/4X12 (FUEL OVERFLOW TUBE)

Add a...
Forum: RV General Discussion/News 04-26-2007, 06:34 AM
Replies: 6
Views: 1,395
Posted By ronoc74
Here's how I did...

Here's how I did it:

http://www.users.on.net/~cmcc5848/flap_hinge.jpg

I'm not sure if that yoke reached the rivets in the angle; I might have used a 3 inch. I only needed to buck the rivet in the...
Forum: RV General Discussion/News 04-26-2007, 06:13 AM
Replies: 19
Views: 2,678
Posted By ronoc74
Here's another recovery app with a free...

Here's another recovery app with a free trial:
http://www.r-studio.com
I used it a few months ago after a hard drive crash. The drive was unreadable by Windows but this software recovered everything...
Forum: Electrical Systems 03-29-2007, 10:33 AM
Replies: 83
Views: 22,281
Posted By ronoc74
Strobes N' More non-delivery

Has anyone had a problem with Strobes N' More? I ordered last month, card was charged but received no shipping notice, no reply to my e-mail of Monday and I tried the other e-mail address on their...
Forum: RV-9/9A 03-26-2007, 06:55 AM
Replies: 20
Views: 3,138
Posted By ronoc74
I read somewhere (but don't remember where) that...

I read somewhere (but don't remember where) that this is a common problem on the 9 because the spar is too long to be punched all at once, so it is repositioned in the machine before doing the outer...
Forum: RV General Discussion/News 01-24-2007, 07:16 AM
Replies: 19
Views: 2,438
Posted By ronoc74
I don't know how thick the HS spars are on other...

I don't know how thick the HS spars are on other RV models but on my 9A they are 0.063". That's the same as the main wing spar. Plenty of meat for countersinking and according to Van's, too thick to...
Forum: RV General Discussion/News 01-05-2007, 04:42 AM
Replies: 6
Views: 1,671
Posted By ronoc74
You can nearly eliminate the magnetic field by...

You can nearly eliminate the magnetic field by running power and ground wires together, or even twisted around each other, if it's practical to do so. The currents flowing in opposite directions...
Forum: Electrical Systems 12-27-2006, 05:58 AM
Replies: 9
Views: 1,429
Posted By ronoc74
Fluke digital multimeters have an input impedance...

Fluke digital multimeters have an input impedance of around 10 megaohms when measuring voltage, so if you connected your multimeter to the battery through a 950 megaohm resistance it will show about...
Forum: Electrical Systems 12-25-2006, 05:21 AM
Replies: 9
Views: 1,429
Posted By ronoc74
It takes a very tiny current to show .132V on a...

It takes a very tiny current to show .132V on a digital multimeter. Leakage from the essential bus is probably reverse leakage through the diode connecting it to the main bus. The .02V bypassing the...
Forum: RV-9/9A 12-23-2006, 05:17 AM
Replies: 19
Views: 3,364
Posted By ronoc74
My dwg 15 has a revision dated 10/9/2000 which...

My dwg 15 has a revision dated 10/9/2000 which adds 1/4" to the pushrod length. Does this fix the problem or is the revised length still too short? I already cut mine. :mad:
Forum: Traditional Aircraft Engines 12-06-2006, 05:06 AM
Replies: 75
Views: 9,037
Posted By ronoc74
I'll be in this too, thanks! I hope they ship...

I'll be in this too, thanks! I hope they ship internationally.
Forum: RV General Discussion/News 11-29-2006, 06:51 AM
Replies: 3
Views: 1,116
Posted By ronoc74
Thanks for your reply Kent. If your engine has...

Thanks for your reply Kent. If your engine has the usual Bendix injection then I think your setup is different to what I need for the Airflow Performance system.
Forum: RV General Discussion/News 11-26-2006, 07:28 PM
Replies: 3
Views: 1,116
Posted By ronoc74
AFP throttle and mixture lengths

I posted this in the injection systems section but it seems it went unnoticed. A few people must have used this config already.

I'm about to order the finishing and fwf kits but Van's are unsure...
Forum: Fuel Injection Systems 11-21-2006, 06:07 AM
Replies: 0
Views: 1,453
Posted By ronoc74
AFP throttle and mixture cable lengths

Van's are unsure what cable lengths are needed for AFP injection on an IO-320 with vertical induction. Does anyone here know what works? FYI the cable lengths for a 7 with O-360 and a 9 with O-320...
Forum: RV-7/7A 11-11-2006, 07:11 AM
Replies: 7
Views: 1,182
Posted By ronoc74
Yes this angle will be cut up to make the...

Yes this angle will be cut up to make the numerous pieces used in the fuselage. There are no very long pieces of AA6-063 in the fuselage.
Forum: RV General Discussion/News 11-10-2006, 07:20 AM
Replies: 8
Views: 1,689
Posted By ronoc74
I had my emp, wings and fuse kits air-freighted...

I had my emp, wings and fuse kits air-freighted by Bax to my door and it seems to be the best option.
Andy, seeing you're on the Sunshine Coast, are you aware there's a local SAAA chapter here? We...
Forum: RV General Discussion/News 11-06-2006, 07:07 AM
Replies: 5
Views: 1,620
Posted By ronoc74
I heard that Jabiru have decided not to...

I heard that Jabiru have decided not to manufacture the 8 cyl engine at the moment, and are focusing on their smaller engines.

__________________
Conor McCarthy
RV-9A 90990 fuselage
QLD, Australia
Forum: RV-9/9A 10-11-2006, 06:07 AM
Replies: 1
Views: 1,183
Posted By ronoc74
DWG 16 says it's for electrical...

DWG 16 says it's for electrical wiring.

__________________
Conor McCarthy
RV-9A 90990 fuselage
Forum: RV General Discussion/News 09-14-2006, 06:22 AM
Replies: 6
Views: 1,523
Posted By ronoc74
After some time it becomes worthwhile to look for...

After some time it becomes worthwhile to look for dropped rivets because although you won't find the one you dropped, you will find another. ;)
Forum: RV General Discussion/News 09-08-2006, 09:28 AM
Replies: 23
Views: 3,004
Posted By ronoc74
Thanks for the opinions. Ken Scott said this...

Thanks for the opinions. Ken Scott said this about it:
"Gear legs are rarely perfectly straight after heat treating. This should present no problem at all."

I might take it to an SAAA (our EAA)...
Forum: RV General Discussion/News 09-08-2006, 12:53 AM
Replies: 23
Views: 3,004
Posted By ronoc74
Bent main gear leg

Does anyone have a gear leg like this:

http://www.users.on.net/~cmcc5848/Bent_leg.jpg

I don't see how it could happen. The apex of the bend is right where the block of wood held the leg down in the...
Forum: RV Ongoing Maintenance Issues 08-19-2006, 06:17 AM
Replies: 423
Views: 1,478,013
Posted By ronoc74
Just a thought: maybe solvent from the paint...

Just a thought: maybe solvent from the paint seeps into the tiny gap between the rivet head and the skin (if not filled with proseal), is trapped when the paint cures, then is heated by the sun and...
Forum: RV General Discussion/News 08-06-2006, 04:53 AM
Replies: 21
Views: 4,320
Posted By ronoc74
Something I found to be very helpful is to put a...

Something I found to be very helpful is to put a small piece of masking tape on the manufactured head, just enough to cover it. I have never had any 'smilies' after doing this, even with a 2X at max...
Forum: RV General Discussion/News 08-05-2006, 11:05 AM
Replies: 2
Views: 984
Posted By ronoc74
Leonard, I'm in Tewantin (just west of Noosa)...

Leonard,

I'm in Tewantin (just west of Noosa) and I have an RV-9A under construction. You're welcome to visit or we could meet at a beachside bar and I'll pick your RV brains over a XXXX. :)...
Forum: RV General Discussion/News 06-21-2006, 07:02 AM
Replies: 13
Views: 2,590
Posted By ronoc74
I'm no expert but here's another suggestion:...

I'm no expert but here's another suggestion: obstruction upstream of the engine-driven pump may cause it to cavitate, but the boost pump will force fuel past the obstruction. Does the AFP pump have a...
Forum: RV General Discussion/News 05-07-2006, 09:38 AM
Replies: 4
Views: 1,286
Posted By ronoc74
It seemed to be squashed enough to flatten the...

It seemed to be squashed enough to flatten the dimple if there was one. I don't know if I would have noticed an unmarked rivet or not but now I will be on the lookout for any 'A' rivets. This was a...
Forum: RV General Discussion/News 05-07-2006, 07:59 AM
Replies: 4
Views: 1,286
Posted By ronoc74
Exclamation Soft rivet

I'm guessing this 426AD3-4 somehow managed to slip past the heat treatment. It was bucked no more than the others and even the manufactured head got...
Forum: RV-9/9A 05-02-2006, 08:27 AM
Replies: 1
Views: 1,217
Posted By ronoc74
Aft bulkhead / tailcone skin interference

The F-712 flange which attaches to the aft side skin overlaps the F-779 tailcone skin slightly:

http://www.users.on.net/~cmcc5848/tail_cone.jpg

It will make a gap under the flange when I rivet the...
Forum: RV-9/9A 04-17-2006, 04:30 AM
Replies: 9
Views: 2,125
Posted By ronoc74
Fuselage extra stiffener

Some builders have reported oil canning of the bottom skin between F-707 and F-708, so I am thinking of back-riveting a J-stiffener down the centre there, before aft fuselage assembly. Does anyone...
Forum: RV General Discussion/News 03-16-2006, 10:12 AM
Replies: 8
Views: 1,688
Posted By ronoc74
Aluminum

Wikipedia has a good entry on the material we are using:
http://en.wikipedia.org/wiki/Aluminum

Here's an interesting snippet:

For example, just a small amount of mercury applied to the surface of a...
Forum: RV Ongoing Maintenance Issues 02-06-2006, 06:30 PM
Replies: 22
Views: 4,663
Posted By ronoc74
The volume of air will not normally affect the...

The volume of air will not normally affect the pressure but a smaller volume will not absorb the pulses of blow-by gas as well as a larger volume. So when the oil level is high the pulsation could be...
Forum: Tools 01-06-2006, 06:14 AM
Replies: 6
Views: 1,687
Posted By ronoc74
Hi Jamie, Great to hear your project is...

Hi Jamie,

Great to hear your project is underway. I used shims when I first got my pneumatic squeezer, and it took a bit of trial-and-error (erring on the side of too few shims of course!). You...
Forum: RV-9/9A 01-03-2006, 10:13 AM
Replies: 20
Views: 4,155
Posted By ronoc74
Oh they were clean! What with the finger grease...

Oh they were clean! What with the finger grease etc. that gets on there, I washed thoroughly with strong detergent before scotchbrite and acetone. Not that I put any boelube where the rivets go...
Forum: RV-9/9A 01-03-2006, 06:45 AM
Replies: 20
Views: 4,155
Posted By ronoc74
I also smoothed the nose flanges, using a...

I also smoothed the nose flanges, using a scotchbrite wheel, and highly recommend doing it. I put Boelube on the nose flanges where they contacted the skin, which may have helped a bit.

Here's how...
Forum: RV General Discussion/News 01-01-2006, 06:11 AM
Replies: 2
Views: 1,058
Posted By ronoc74
I riveted a flap trailing edge. Straight :D Not...

I riveted a flap trailing edge. Straight :D
Not hung over :p
Happy new year!

Conor
RV-9A slow build Down Under
Forum: Safety 12-13-2005, 09:39 AM
Replies: 511
Views: 60,931
Posted By ronoc74
I noticed this report in the NTSB...

I noticed this report in the NTSB database:

Accident occurred Friday, August 12, 2005 in Palmer, AK
Aircraft: Brabandt RV-9A, registration: N63EB
"During a telephone conversation with the National...
Forum: RV-10 10-18-2005, 06:46 AM
Replies: 59
Views: 10,361
Posted By ronoc74
Actually it's the cube of the speed increase but...

Actually it's the cube of the speed increase but it must be expressed in decimal, ie. 1.05^3 = 1.158 or about 16% more power for 5% more speed (all other things being equal of course).
Forum: RV-8/8A 10-13-2005, 07:53 AM
Replies: 12
Views: 3,106
Posted By ronoc74
The definite limit is the size of the countersink...

The definite limit is the size of the countersink on the female dimple die. If you countersink larger than that, the joint will certainly be loose.
Forum: COMM 09-18-2005, 08:12 PM
Replies: 10
Views: 2,255
Posted By ronoc74
Batteries don't need smooth DC for charging so...

Batteries don't need smooth DC for charging so your charger's output oscillates between 0V and probably around 17V or so. Very very noisy! A good source of smooth 12V DC is an old computer power...
Forum: RV-9/9A 09-02-2005, 07:32 PM
Replies: 5
Views: 1,704
Posted By ronoc74
FWIW, the flap brackets are aligned by adjusting...

FWIW, the flap brackets are aligned by adjusting the center one, so I went ahead and riveted the two end flap brackets, leaving the center one until after the top skin was riveted. It enabled me to...
Forum: RV General Discussion/News 07-25-2005, 09:00 PM
Replies: 6
Views: 1,829
Posted By ronoc74
Photo below. It may be a good idea to make the...

Photo below. It may be a good idea to make the lengths just a tiny bit longer based on my left one (right not done).
http://www.users.bigpond.net.au/cons9A/F385.JPG

Conor
RV-9A 90990 wings
Forum: RV-9/9A 07-24-2005, 04:38 AM
Replies: 3
Views: 1,614
Posted By ronoc74
Aileron skins short?

G'day 9ers,

I have just clecoed a bottom aileron skin to the rib/spar assembly and while the skin is flush with the rib flange at the inboard end, it is short at the other end so the rib flange...
Forum: RV-7/7A 07-03-2005, 09:15 AM
Replies: 1
Views: 1,463
Posted By ronoc74
Yes I get a slight depression around the dimple...

Yes I get a slight depression around the dimple when using the hand squeezer and if I don't hit the C-frame dimpler hard enough. The trick with countersinking to fit a dimple is to measure the...
Forum: Tools 07-02-2005, 08:18 PM
Replies: 4
Views: 1,534
Posted By ronoc74
I have a 2X but maybe I should have got a 3X...

I have a 2X but maybe I should have got a 3X instead (haven't tried one so don't really know). The problem with the 2X is with long 1/8" rivets like -8 or -9, it will set them but at near maximum...
Forum: RV-9/9A 06-03-2005, 07:55 PM
Replies: 1
Views: 1,529
Posted By ronoc74
Maybe setting the forward rivets squeezes the rib...

Maybe setting the forward rivets squeezes the rib forward against the proseal a bit. It may get ugly later if the rib is too far back.

Conor
RV-9A 90990 wings
Forum: RV General Discussion/News 05-25-2005, 10:22 AM
Replies: 4
Views: 2,125
Posted By ronoc74
I certainly wouldn't try the primer in a spray...

I certainly wouldn't try the primer in a spray gun after 3 months. I had it there so I dabbed it on a few spots and it did the job. I think the expiry time for frozen proseal is related to the amount...
Forum: RV General Discussion/News 05-25-2005, 07:12 AM
Replies: 4
Views: 2,125
Posted By ronoc74
I understand your concern but it does harden up...

I understand your concern but it does harden up normally when brought to room temperature. The hardening is a chemical reaction and like most reactions the reduction in rate is vastly out of...
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