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Search: Posts Made By: 00Dan
Forum: Electronic Ignition Systems 11-24-2021, 10:17 AM
Replies: 18
Views: 1,918
Posted By 00Dan
This is a curious topic. Has testing been...

This is a curious topic. Has testing been published anywhere regarding advance levels on high compression engines? Iím sure an engine hot rodder has done it but I havenít seen it.
Forum: RV General Discussion/News 11-19-2021, 05:58 PM
Replies: 12
Views: 884
Posted By 00Dan
Read this thread:...

Read this thread: https://vansairforce.net/community/showthread.php?t=196593

The website goes into more details but the short version is the FlyONSPEED system is much more robust than any of the...
Forum: RV models of the future (RV-??) 11-19-2021, 03:37 PM
Replies: 27
Views: 2,866
Posted By 00Dan
Tucson/Texan style stadium seating may not be the...

Tucson/Texan style stadium seating may not be the best for speed but it would be fantastic for use as a high performance and aerobatic trainer - something that the -8 currently falls short in due to...
Forum: RV General Discussion/News 11-18-2021, 03:15 PM
Replies: 12
Views: 884
Posted By 00Dan
https://www.flyonspeed.org/

https://www.flyonspeed.org/
Forum: RV Building Tips/Techniques 11-17-2021, 12:43 PM
Replies: 9
Views: 1,272
Posted By 00Dan
Ah fiberglass wheel pants, bane of my existence....

Ah fiberglass wheel pants, bane of my existence.

I am still fighting to get a good alignment on these and the yaw chasing is almost to the point that I am ready to completely disassemble the pants,...
Forum: Propellers 11-09-2021, 05:23 PM
Replies: 10
Views: 719
Posted By 00Dan
Donít the current Vanís cowls also require an...

Donít the current Vanís cowls also require an extension? I know my old fixed pitched Vanís cowl on my -4 requires a 4Ē extension, and I think the CS cowl required a 2.25Ē extension.
Forum: RV-3 11-08-2021, 09:48 AM
Replies: 10
Views: 1,620
Posted By 00Dan
I hope you mean CHT when you say temps were...

I hope you mean CHT when you say temps were trending towards 400*F, because if you let the oil get anything close to that you may have actually hurt something.
Forum: Traditional Aircraft Engines 11-07-2021, 01:02 PM
Replies: 7
Views: 403
Posted By 00Dan
IIRC the pressure necessary to overcome to float...

IIRC the pressure necessary to overcome to float valve is approximately 10 PSI. Iíd say itís almost certainly a sensor issue since you didnít observe any fuel pouring out.
Forum: Traditional Aircraft Engines 11-05-2021, 06:51 PM
Replies: 15
Views: 1,097
Posted By 00Dan
Can you download the engine data to Savvy and...

Can you download the engine data to Savvy and link it here? The visualizations of the parameters may help diagnose this.
Forum: RV General Discussion/News 11-05-2021, 01:53 PM
Replies: 36
Views: 2,235
Posted By 00Dan
RV-4 982 pounds with narrow deck 320, 7 quarts of...

RV-4 982 pounds with narrow deck 320, 7 quarts of oil, Catto 3-blade + 20 pound crush plate.
Forum: RV-4 10-26-2021, 08:09 PM
Replies: 38
Views: 6,422
Posted By 00Dan
Perhaps tangential from this topic, but Iíve...

Perhaps tangential from this topic, but Iíve brainstormed about how a bailout from a -4 might work. Assuming the soft rivets on the canopy hinge line shear properly and the canopy departs the plane,...
Forum: RV Ongoing Maintenance Issues 10-23-2021, 05:50 PM
Replies: 1
Views: 453
Posted By 00Dan
How much yaw is acceptable to fix with a trim tab?

As the title says, how much ball deflection in cruise would you consider acceptable to just trim out? Iím sure opinions will differ but my goal is to gather some context on where to draw the line for...
Forum: RV Ongoing Maintenance Issues 10-17-2021, 07:07 PM
Replies: 5
Views: 1,073
Posted By 00Dan
I simply cut a finger of spare .032 aluminum...

I simply cut a finger of spare .032 aluminum (approximately 4x3/4Ē) and riveted it in place along the gear leg centerline of the leg fairing. I cut out the area where the fiberglass finger would be....
Forum: RV Ongoing Maintenance Issues 10-02-2021, 06:31 PM
Replies: 12
Views: 1,164
Posted By 00Dan
I have and am still working through step one....

I have and am still working through step one. Step two is addressed by my existing rudder trim. Thatís why Iím trying to determine which wing qualifies as the heavy wing, to try and narrow down my...
Forum: RV Ongoing Maintenance Issues 10-02-2021, 02:59 PM
Replies: 12
Views: 1,164
Posted By 00Dan
Yes. I have a rudder trim tab attached to a...

Yes. I have a rudder trim tab attached to a servo; I adjust it to keep the ball centered feet on the floor before testing.
Forum: Traditional Aircraft Engines 10-02-2021, 01:59 PM
Replies: 4
Views: 500
Posted By 00Dan
Valve lift specifications

Iím interested in checking my valve train to see if itís opening sufficiently for the engine to make rated power. I really donít want to pull a cylinder at this time and Iíve previously read about...
Forum: RV Ongoing Maintenance Issues 10-02-2021, 12:59 PM
Replies: 12
Views: 1,164
Posted By 00Dan
A heavy wing conundrum

My RV-4 has a heavy wing. The problem is, I’m not sure which it is. In level flight, the ailerons deflect themselves slightly, with the right deflected up and the left down. If I release the stick,...
Forum: Electronic Ignition Systems 09-27-2021, 08:43 AM
Replies: 31
Views: 3,355
Posted By 00Dan
Theoretically you may gain a little power back by...

Theoretically you may gain a little power back by eliminating a source of accessory loss. I wonder if anyone has ever measured that on a dynoÖ
Forum: Traditional Aircraft Engines 09-21-2021, 09:08 AM
Replies: 12
Views: 1,258
Posted By 00Dan
Excellent point. I had considered that if I split...

Excellent point. I had considered that if I split the case I could preemptively replace the cam and lifters anyway, but admittedly I am not well versed on how corrosion will affect the other...
Forum: Traditional Aircraft Engines 09-20-2021, 09:05 PM
Replies: 12
Views: 1,258
Posted By 00Dan
The engine had a full teardown in 2017 with...

The engine had a full teardown in 2017 with reassembly in 2018. I think itís reasonable to consider that the start point for the clock rather than 2009. Not to say the 2 years since removed is good...
Forum: Traditional Aircraft Engines 09-20-2021, 06:51 PM
Replies: 12
Views: 1,258
Posted By 00Dan
Thatís how Iím approaching it at this point, at...

Thatís how Iím approaching it at this point, at least pending further information.



Sent you an email.
Forum: Traditional Aircraft Engines 09-20-2021, 05:52 PM
Replies: 12
Views: 1,258
Posted By 00Dan
That was helpful. My top level interpretation...

That was helpful. My top level interpretation after skimming that tells me that the big question on this engine will be did the prop actually hit. If not, it sounds like I would primarily be looking...
Forum: Traditional Aircraft Engines 09-20-2021, 04:58 PM
Replies: 12
Views: 1,258
Posted By 00Dan
What's involved with a DIY IRAN?

BLUF: What am I getting myself into tackling an IRAN on a salvage motor?

I touched on this in my thread on planning for engine work but I feel this deserves its own thread. I'm looking very closely...
Forum: RV Building Tips/Techniques 09-19-2021, 06:11 PM
Replies: 9
Views: 1,272
Posted By 00Dan
A follow up question after doing some testing:...

A follow up question after doing some testing: would a misalignment or excessive tire gap be responsible for a significant speed loss? My cruise speed has dropped 5-6 knots with the pressure recovery...
Forum: Traditional Aircraft Engines 09-16-2021, 04:36 PM
Replies: 22
Views: 2,359
Posted By 00Dan
So he’s saying no prop strike occurred thus the...

So he’s saying no prop strike occurred thus the AD was not applicable? The verbiage used by whoever wrote the log entry is very strange if that’s the case, particularly the words “after prop strike.”
Forum: Traditional Aircraft Engines 09-15-2021, 09:53 PM
Replies: 11
Views: 1,059
Posted By 00Dan
Is there any equivalent for old Pipers? My...

Is there any equivalent for old Pipers? My conical engine mount unfortunately rules out any Lycoming model off a Cessna. My quick search on this points me towards most of the old A and B model 320s...
Forum: Traditional Aircraft Engines 09-15-2021, 07:17 PM
Replies: 21
Views: 3,398
Posted By 00Dan
What did you find in the filter pleats? Oil...

What did you find in the filter pleats? Oil analysis is complementary to actually cutting the filter and shouldnít be used in isolation.
Forum: Traditional Aircraft Engines 09-15-2021, 01:30 PM
Replies: 11
Views: 1,059
Posted By 00Dan
I spoke to a salvage operator who has a narrow...

I spoke to a salvage operator who has a narrow deck 320 that was overhauled in 2009, IRANíd in 2018 after sitting, then finally removed in 2019 after a forced landing. They claim no prop strike, but...
Forum: Traditional Aircraft Engines 09-15-2021, 12:24 AM
Replies: 11
Views: 1,059
Posted By 00Dan
I like this option from a logistical standpoint...

I like this option from a logistical standpoint as the next best thing to swapping. I am a bit concerned about how many runs are on the current crank and case, though. Despite not having the...
Forum: Traditional Aircraft Engines 09-14-2021, 08:33 PM
Replies: 11
Views: 1,059
Posted By 00Dan
A consideration I had in favor of option 3...

A consideration I had in favor of option 3 (swapping engines) is down time. Global supply chains are pretty fouled up at the moment and will remain that way for the foreseeable future. This combined...
Forum: Traditional Aircraft Engines 09-14-2021, 11:23 AM
Replies: 11
Views: 1,059
Posted By 00Dan
I performed this SB earlier this year and the...

I performed this SB earlier this year and the crank bore was clean, so at least that part of the crank is okay.
Forum: Traditional Aircraft Engines 09-14-2021, 09:24 AM
Replies: 11
Views: 1,059
Posted By 00Dan
This does make me think of a potential variation...

This does make me think of a potential variation to option 3: buy a core and overhaul it while my current engine is still flying, then swap the two. This would certainly minimize downtime but cost...
Forum: Traditional Aircraft Engines 09-13-2021, 05:04 PM
Replies: 11
Views: 1,059
Posted By 00Dan
Prior planning for engine work

I am sorely tempted to pull the jugs on my O-320-A3A and replace my 7.0:1 pistons with 8.5:1, along with the heavy wrist pins of course. My research and prior posts here have made me comfortable with...
Forum: Propellers 09-13-2021, 04:28 PM
Replies: 18
Views: 3,334
Posted By 00Dan
If you search my posts youíll see Iíve inquired...

If you search my posts youíll see Iíve inquired about that exact topic. My hang up is only that my motor has 1900 hours on the bottom and was last overhauled in 1978. I just gotta get to where I can...
Forum: Propellers 09-13-2021, 02:53 PM
Replies: 18
Views: 3,334
Posted By 00Dan
Finally got my fairings done and did some initial...

Finally got my fairings done and did some initial testing. It was hot today so at 7250í PA (about 8800í DA) I trued at 181 MPH (157 kts) at 2600 RPM (I couldnít spin it any faster). This was at just...
Forum: Glass Cockpit 09-10-2021, 08:45 AM
Replies: 6
Views: 715
Posted By 00Dan
In general, the thermocouples should be...

In general, the thermocouples should be compatible with both systems IF both systems use the same type (type J or type K). Some vendors mix and match, with EGT and CHT being different. To further...
Forum: RV Building Tips/Techniques 09-07-2021, 12:04 PM
Replies: 9
Views: 1,272
Posted By 00Dan
Some wheel pants questions

Iíve been working on PR wheel pants for my -4 and have a couple questions.

Is there a tolerance for the alignment? Even with following the instructions for building up the bracket attach area both...
Forum: RV-4 08-27-2021, 08:03 PM
Replies: 236
Views: 280,624
Posted By 00Dan
It’s something I’ve considered as a stop-gap...

It’s something I’ve considered as a stop-gap until I’m ready to tackle the panel as a full project. Cutting out the top row of 3” instruments gives room for two G5s or two GRT Minis side-by-side....
Forum: RV-4 08-27-2021, 02:05 PM
Replies: 236
Views: 280,624
Posted By 00Dan
Hereís the panel on the -4 I bought last year....

Hereís the panel on the -4 I bought last year. The late 80ís vintage definitely shows. I added the JPI and the empty tray used to be a Narco Comm that had the tuning gear break. Iíve been...
Forum: RV Ongoing Maintenance Issues 08-26-2021, 11:48 AM
Replies: 15
Views: 2,006
Posted By 00Dan
Thatís pretty nasty looking. Itís good to have...

Thatís pretty nasty looking. Itís good to have the picture reference, I clearly got the two types mixed up on my initial post.

You mentioned that treatment after removing the corrosion was a...
Forum: RV-4 08-23-2021, 03:49 PM
Replies: 10
Views: 1,230
Posted By 00Dan
Itís my understanding that most parts use the...

Itís my understanding that most parts use the standard torque for the bolt size and loading (shear or tension).
Forum: RV-4 08-23-2021, 11:25 AM
Replies: 10
Views: 1,230
Posted By 00Dan
Good information. Iím working with an A&P on this...

Good information. Iím working with an A&P on this since Iím not the builder. I had read on here that many people check the spar bolt torques every year which prompted my question.
Forum: RV-4 08-23-2021, 09:48 AM
Replies: 10
Views: 1,230
Posted By 00Dan
Checking torques at CI

When checking bolt torques during a condition inspection, do you check all or just certain critical points?

On the spar for example, do you check all the little bolts along the length or just the...
Forum: RV Ongoing Maintenance Issues 08-22-2021, 02:30 PM
Replies: 15
Views: 2,006
Posted By 00Dan
A tangential question relating to treatment:...

A tangential question relating to treatment: since Iím tackling just small spots on the underside of the wing (i.e. not seen), does anyone have experience with rattle can touch ups? The original...
Forum: Traditional Aircraft Engines 08-21-2021, 08:25 PM
Replies: 19
Views: 3,245
Posted By 00Dan
For the 10-3678-32 model MA4SPA they make a...

For the 10-3678-32 model MA4SPA they make a different nozzle PN (47-862) that I found helps. They made it for Carbon Cubs running Titan engines but it worked well on my 320. My average GAMI spread...
Forum: COMM 08-20-2021, 10:52 PM
Replies: 5
Views: 1,227
Posted By 00Dan
Precipitation static? Does your plane have...

Precipitation static? Does your plane have static wicks?
Forum: RV General Discussion/News 08-17-2021, 03:15 PM
Replies: 9
Views: 896
Posted By 00Dan
My plane originally had the bent tube style...

My plane originally had the bent tube style pitot. When I removed it and installed a normal AN style pitot mast, I found my OAT sensor dropped right in that hole. Itís given me no issues with...
Forum: RV Ongoing Maintenance Issues 08-16-2021, 02:38 PM
Replies: 15
Views: 2,006
Posted By 00Dan
Well thatís quite the range of options, from...

Well thatís quite the range of options, from replace the part to it should clean up. After reading the responses here I believe I may have misidentified filiform as intergranular.

Iíll gather the...
Forum: RV Ongoing Maintenance Issues 08-16-2021, 10:30 AM
Replies: 15
Views: 2,006
Posted By 00Dan
Hereís an example picture in case I misidentified.

Hereís an example picture in case I misidentified.
Forum: RV Ongoing Maintenance Issues 08-16-2021, 10:07 AM
Replies: 15
Views: 2,006
Posted By 00Dan
Removing corrosion

I detected some intergranular corrosion on some of the rivets and along the seam on the underside of my flaps recently. A hangar neighbor has a rivet blaster he bought to address a similar situation...
Forum: RV-10 08-02-2021, 07:36 PM
Replies: 102
Views: 15,602
Posted By 00Dan
John Deakinís articles mentioned something...

John Deakinís articles mentioned something similar - I think he used 9000í PA as the point for NA engines that if you wanted to lean for best power (approximately 80* ROP) you canít hurt anything...
Forum: RV Ongoing Maintenance Issues 07-30-2021, 09:52 PM
Replies: 8
Views: 1,072
Posted By 00Dan
To my knowledge no one has yet figured out how to...

To my knowledge no one has yet figured out how to externally seal a fuel tank that lasts long term. Luckily for you this area will be easy to access. Since the RV-4 doesnít have Z brackets go ahead...
Forum: Propellers 07-24-2021, 07:39 PM
Replies: 5
Views: 1,141
Posted By 00Dan
I had a similar issue, and it ended up that the...

I had a similar issue, and it ended up that the primary culprit was one of my exhaust pipes vibrating it’s way into physical contact with part of my engine mount. It was only about 10 hours worth...
Forum: Safety 07-19-2021, 01:58 PM
Replies: 18
Views: 2,592
Posted By 00Dan
With a 50 foot wide runway if he’s not on the...

With a 50 foot wide runway if he’s not on the pavement I fail to see where the conflict occurs. You stay on the runway and he stays on the grass; seems pretty straightforward to me.
Forum: RV General Discussion/News 07-15-2021, 04:33 PM
Replies: 6
Views: 875
Posted By 00Dan
That seems pretty hot given the relatively low...

That seems pretty hot given the relatively low ambient temperatures you quote.

I use 200 degrees for my oil temperature alarm, the hottest Iíve seen so far is about 190 on a 95 degree day.
Forum: Safety 07-09-2021, 08:04 AM
Replies: 25
Views: 4,311
Posted By 00Dan
I am, see post #4 of this thread.

I am, see post #4 of this thread.
Forum: RV-4 07-05-2021, 12:08 PM
Replies: 7
Views: 1,509
Posted By 00Dan
That sounds like a great solution! On a...

That sounds like a great solution!

On a different matter, Iíve been thinking hard about that longeron since Vanís is closed today and wonít see my email until tomorrow. In general terms, if a...
Forum: RV-4 07-05-2021, 08:43 AM
Replies: 7
Views: 1,509
Posted By 00Dan
That all makes sense. I suspect Iíll take the...

That all makes sense. I suspect Iíll take the current paint off before fill for weight and adhesion. The RTV trimming is not what I had envisioned (I was thinking of somehow patching the gap);...
Forum: RV-4 07-04-2021, 10:02 PM
Replies: 7
Views: 1,509
Posted By 00Dan
So basically using micro in place of bondo on...

So basically using micro in place of bondo on what is ultimately a shallow dent. That makes sense. Iíve not used epoxy on aluminum before, is using a scotchbrite pad to remove the existing paint and...
Forum: Traditional Aircraft Engines 07-04-2021, 04:17 PM
Replies: 9
Views: 1,285
Posted By 00Dan
You didnít specify if you have a wide or narrow...

You didnít specify if you have a wide or narrow deck engine. If wide, as Duff said, send it. If narrow deck, hereís my thread from May asking a similar question....
Forum: RV-4 07-04-2021, 03:13 PM
Replies: 7
Views: 1,509
Posted By 00Dan
Some structural restoration/repair questions

Happy Independence Day to my fellow Americans, and happy Sunday to everyone else. Iíve been brainstorming about a couple items on my -4 and wanted to solicit some input. Pictures are attached and in...
Forum: Safety 06-30-2021, 09:15 AM
Replies: 25
Views: 4,311
Posted By 00Dan
Energy is always an interesting topic that is...

Energy is always an interesting topic that is probably not taught well to most private pilots; instead, focus is spent on airspeed and pitch attitude, both of which are acceptable analogues for...
Forum: Traditional Aircraft Engines 06-29-2021, 06:52 PM
Replies: 44
Views: 6,428
Posted By 00Dan
Does the EGT indicate a plug not firing? If not,...

Does the EGT indicate a plug not firing?

If not, is the engine running smooth despite the large RPM drop?
Forum: Propellers 06-25-2021, 03:59 PM
Replies: 9
Views: 1,187
Posted By 00Dan
The old balance weights are almost certainly...

The old balance weights are almost certainly throwing it out of balance. Remove those and go fly first to establish a baseline.
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