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Search: Posts Made By: dlomheim
Forum: RV-9/9A 06-20-2018, 12:37 PM
Replies: 25
Views: 3,392
Posted By dlomheim
Rudder Rebuild

This happened to my dad's 7A while he was visiting us from out of state, and I was able to loan him my completed rudder (from my RV-9A project). I ordered in new skins from Vans and then rebuilt it...
Forum: RV-12 05-12-2018, 11:51 PM
Replies: 7
Views: 2,823
Posted By dlomheim
Final Report

We'll most likely never know if this was a case where a pilot w/very limited GA experience didn't make the needed mental transitions required to safely operate the a/c, or if an inflight medical...
Forum: Safety 05-12-2018, 11:16 PM
Replies: 49
Views: 13,348
Posted By dlomheim
RV-4 w/nose gear?

The NTSB investigator's analysis was a bit off related to this RV-4 loss of control nose over.

Analysis: "The pilot of the tailwheel-equipped airplane reported that, during landing, the airplane...
Forum: Probable Cause Documents Discussed 05-12-2018, 12:51 AM
Replies: 10
Views: 4,547
Posted By dlomheim
Common Killers

Yeah, too many passengers have been killed shortly after a pilot says: "Hey, watch this..."; and if the pilot is on drugs, all fear may be gone which further increases the likelihood of a bad...
Forum: Alternative Engines 05-11-2018, 01:02 PM
Replies: 26
Views: 5,013
Posted By dlomheim
Another Airframe?

Since maximum climb rate is all they're looking for here, wouldn't it make sense to put the engine into an RV-9 and have a go at it with that bigger wing?

Doug Lomheim
RV-9A Mazda 13B FWF
Forum: Alternative Engines 03-25-2018, 01:22 PM
Replies: 8
Views: 1,399
Posted By dlomheim
Tracy's RV-8 w/20B

Smokey: In 2007 Tracy hosted a fly in drive in at his home in Florida and this video of his 20B engine run was made...sounded great then; and I still hope to see it fly in person some day! ...
Forum: Alternative Engines 03-24-2018, 01:11 AM
Replies: 8
Views: 1,399
Posted By dlomheim
RV's w/Mazda 13B's

Charlie: Tracy and a KITPLANES article on his RV-4 "Otter" project in '95-6 was what got me going down the "Rotary road" for my RV-9A. I always wanted an "alternative" engine and initially thought...
Forum: Alternative Engines 03-18-2018, 01:23 PM
Replies: 8
Views: 1,399
Posted By dlomheim
Oil on Windscreen

The rumor is he pushed a bit too aggressively for some reason at the end, and vented some oil as a result. I wonder if it needed the cowling off in order to cool adequately when producing 600 hp....
Forum: Alternative Engines 03-18-2018, 01:07 AM
Replies: 8
Views: 1,399
Posted By dlomheim
RV-4 w/Mazda Turbo (Methanol) video

An RV-4 recently climbed to 10K in 1:58 w/a turbo Mazda rotary engine running on methanol. https://www.youtube.com/watch?v=Xe1lwc3fxfs

Doug

RV-3A O-290G renovated / sold
RV-9A Mazda 13B/FWF
Forum: Alternative Engines 02-10-2018, 09:40 PM
Replies: 21
Views: 8,206
Posted By dlomheim
Corvair Power Now!

Robin: Fabulous job on the installation and final tweaking to make it a "turn the key and fly" a/c! If i remember right, you used to have a GM ECO engine in it didn't you, with the less than sexy...
Forum: RV-3 01-28-2018, 11:05 AM
Replies: 8
Views: 1,888
Posted By dlomheim
Radial + RV-3

You're probably right Paul...but that radial sound is pretty cool! :)
Forum: RV-3 01-25-2018, 12:44 PM
Replies: 8
Views: 1,888
Posted By dlomheim
Radial Conversions RV-3?

Question...are any of you all who are now building, considering a ROTEC radial engine installation by chance? It seems that that 150 hp engine would be a neat installation in a "3"; and works okay...
Forum: RV General Discussion/News 01-13-2018, 01:00 AM
Replies: 23
Views: 4,629
Posted By dlomheim
Motorcycle TPS

I'm curious how you will: "...just program factory tire pressure into the caps and place caps on valve stems." Do they send you an operational program to download to your computer, and then you have...
Forum: Safety 01-08-2018, 07:15 AM
Replies: 36
Views: 4,907
Posted By dlomheim
RV Accident Stats

So this must be just "fatal" accidents over the three year period? From about 2000-2005 I pulled all the RV accidents listed in the NSTB monthly summaries, and each year the total number of RV...
Forum: RV-3 01-08-2018, 07:04 AM
Replies: 3
Views: 890
Posted By dlomheim
Renovating an old "3"

I spent 15 months renovating a 3A and the plans called for metal straps that the pins clamp onto, to be heat treated so I grabbed one of the four and took it to a local engineering business to have...
Forum: RV Photo/Video URLs 12-17-2017, 07:56 AM
Replies: 66
Views: 18,349
Posted By dlomheim
Subie RV-8

Or it would be cool if he'd bring his performance data over and post it on the "Alternative Engine" forum! :) FAA.gov doesn't list an engine type; just reciprocating.

Doug

RV-9A Mazda 13B FWF
Forum: RV-9/9A 11-29-2017, 12:21 PM
Replies: 9
Views: 1,970
Posted By dlomheim
RV-9A top end

Van's website shows a 9A with 160 hp should top out at 195 mph, so it looks like you still have a little ways to go... :)

Doug
Forum: Alternative Engines 11-25-2017, 11:57 AM
Replies: 79
Views: 19,475
Posted By dlomheim
Subie Vs. Lycoming Empty Weights

After following the "alternative engine" movement since the early 90's; the 80-110 lbs. heavier weight of a Subie has been pretty much an expected "standard" to plan on, and drove most builders to...
Forum: RV General Discussion/News 11-20-2017, 01:21 PM
Replies: 7
Views: 1,226
Posted By dlomheim
A&P Schools to build an RV?

You might be able to pull this off if you left the a/c there for 15-20 yrs! :) The A&P school that I went to had a set FAA approved syllabus which went from General to Powerplant to Airframe. We...
Forum: RV-3 10-04-2017, 01:14 PM
Replies: 3
Views: 1,521
Posted By dlomheim
RV-3 Fuselage

Looks like a pile of junk being taken to get some cash at an aluminum recycling center...

Doug
Forum: Tip up canopy vs. Sliding canopy 09-10-2017, 12:22 AM
Replies: 22
Views: 6,415
Posted By dlomheim
RV-7 water "dead stick" by beach in ITA

Wow...never knew about this landing and the immediate flip over.

Doug
Forum: Tip up canopy vs. Sliding canopy 08-12-2017, 11:36 AM
Replies: 22
Views: 6,415
Posted By dlomheim
RV's flip when ditching?

Bill; Do you know of many RV's that have "flipped" upon ditching? in the early 2000's I remember reading about an RV-8 off the Hawaiian Islands that lost it's engine and had to ditch. It didn't...
Forum: RV-9/9A 08-11-2017, 01:45 PM
Replies: 11
Views: 1,059
Posted By dlomheim
Glazing cylinders during ground runs

Great point! At the A&P school I attended from '77-79, prior classes to ours overhauled both engines of a twin Baron; but the owner refused to fly it prior to the school putting at least ten hours...
Forum: RV-9/9A 07-13-2017, 01:04 PM
Replies: 16
Views: 1,267
Posted By dlomheim
Sam James Cowling for 9A

If you end up needing a Sam James cowling, I have a buddy in the OKC area who decided not to use it on his 7A, and would make you a great deal on it I bet.

Doug
RV-9A Mazda 13B/ FWF
RV-3A Sold
Forum: RV-9/9A 07-13-2017, 12:59 PM
Replies: 16
Views: 1,267
Posted By dlomheim
Snout Vs. Scoop

Steve: I think he might be referring to the "snorkle" possibly not having as much ram air pressure going to the carb as a standard Van's cowling w/central scoop? :)

Doug
RV-9A Mazda 13B,...
Forum: Alternative Engines 07-09-2017, 07:02 AM
Replies: 57
Views: 15,400
Posted By dlomheim
Robin: Aren't you running your RV-3B with a...

Robin: Aren't you running your RV-3B with a GM/Opel "ECO" Engine?

thx.

Doug Lomheim
RV-9A, Mazda 13B / FWF
Forum: RV-9/9A 07-04-2017, 12:05 AM
Replies: 45
Views: 7,709
Posted By dlomheim
R3350's...

Ross: Just curious: Do you know if your ".37 LOP" number was derived from an R-3350 that was equipped with three Power Recovery Turbines (PRTs)? My dad flew EC-121s (in the USN), and he told me...
Forum: RV-9/9A 07-03-2017, 11:36 PM
Replies: 3
Views: 938
Posted By dlomheim
POH Time to Climb

Ha...you'll know soon enough when you knock out your flight tests and begin to create your unique POH, based on the derived data! :)

Doug Lomheim
RV-3A sold
RV-9A Mazda 13B/FWF
Forum: RV-9/9A 06-28-2017, 02:00 AM
Replies: 18
Views: 3,312
Posted By dlomheim
9A Nose Gear

So how does the 9A "toothpick" nose gear differ from that on the 7A? Since the fuselage's are the same, I always assumed the two were the same nose strut...

Doug Lomheim
RV-9A Mazda 13B/FWF
RV-3A...
Forum: Alternative Engines 06-25-2017, 09:41 PM
Replies: 0
Views: 734
Posted By dlomheim
Paris Air Show

I just attended the Paris Airshow for the first time ever and had fun doing that, etc. Walking through the big commercial aviation pavilions, it was interesting to see many small turbine or turbo...
Forum: RV-9/9A 06-19-2017, 10:48 AM
Replies: 15
Views: 4,163
Posted By dlomheim
Instrument Panel Edge Cover

Very nice!

Doug
Forum: RV-9/9A 06-17-2017, 02:09 PM
Replies: 15
Views: 4,163
Posted By dlomheim
RV "Hitting a Wall"...

Even if you "hit a wall", you still might be okay! In mid-2000's an RV-6 hit a parked dump truck in a Dept. of California parking lot, yet both pilot and pax survived! Upon impact, their bodies...
Forum: My RV Build Project 05-20-2017, 11:10 PM
Replies: 373
Views: 165,244
Posted By dlomheim
Dave's RV-3B Progress

Great progress Dave! I know it can be slow going without a helper to cleco as you go; but you're still getting it done!

Doug

RV-3A sold
RV-9A Mazda 13B (FWF)
Forum: Alternative Engines 05-07-2017, 01:55 PM
Replies: 54
Views: 14,067
Posted By dlomheim
Turbine powered RV-10

There is an RV-10 w/ Turbine that is now flying. They bought a buddies RV-10 and showed it off at SNF a few years ago w/only his fuselage; but have subsequently finished it up and I know are flying...
Forum: RV-9/9A 05-07-2017, 01:45 PM
Replies: 32
Views: 5,827
Posted By dlomheim
RV-9 Loss of Power

One reason I initially went with the 9A was it's fabulous C-150ish low end airspeed capability. Since I'm installing a Mazda 13B (RX-7) engine, going slow if there was a power loss (for any reason)...
Forum: International 04-30-2017, 08:30 AM
Replies: 14
Views: 6,883
Posted By dlomheim
Russian General Aviation

Vlad: There must be a few more freedoms available in Russian these days than during the "Cold War", eh? Or was General Aviation allowed on some scale back there in the 50's - 80's?
Fly safe, ...
Forum: Alternative Engines 04-16-2017, 06:53 AM
Replies: 54
Views: 14,067
Posted By dlomheim
Turbines in GA a/c

The biggest issue with GA turbines has always been the light engine weight (which then c,reates an ugly long pinocchio nose) and the really high fuel burn! For a jet engine to be really efficient...
Forum: Traditional Aircraft Engines 04-11-2017, 12:02 PM
Replies: 11
Views: 3,758
Posted By dlomheim
O2 Sensors and 100 LL

If it's a one off event I'd bet his O2 sensors are fine. Some of my rotary engine friends fly routinely with unleaded fuel, but they are forced to use 100LL on cross countries. They have reported...
Forum: Alternative Engines 04-09-2017, 12:13 PM
Replies: 2
Views: 1,475
Posted By dlomheim
RV-8"R" Return from SNF

For those with a FB account; check out the link and see how cool his 9 cylinder radial will run. Temp range of 174 to 246 is really cool for an air-cooled engine! ...
Forum: RV-8/8A 04-01-2017, 01:20 AM
Replies: 8
Views: 3,061
Posted By dlomheim
Skirt blow out in cruise

Do you think a layer of carbon fiber would have helped to stiffen the blow out area up enough to keep it in place?

Doug
Forum: Alternative Engines 04-01-2017, 12:53 AM
Replies: 0
Views: 708
Posted By dlomheim
Sun N Fun Alt Engine Briefings Schedule

Patrick has posted the schedule of briefings at SNF-17 here...

https://www.facebook.com/www.CONTACTMagazine/photos/a.155149867893139.38719.133387926736000/1431817120226401/?type=3&theater

Ross...
Forum: Fuel Injection Systems 03-02-2017, 01:56 PM
Replies: 92
Views: 17,474
Posted By dlomheim
Subie Replacement

Did you have an Egg Subie; or develop your own? How many hours did you fly it, prior to beginning the replacement? I for one would also enjoy seeing some pictures of your injector boss...
Forum: RV-7/7A 02-12-2017, 08:39 AM
Replies: 23
Views: 7,541
Posted By dlomheim
Dual Throttle Controls

I installed an RV-8 throttle in my 9A on the left side with the thought of mainly using it when doing formation flying. In that way I could rest my arm on the armrest, instead of having to suspend...
Forum: Alternative Engines 02-12-2017, 07:34 AM
Replies: 2
Views: 1,927
Posted By dlomheim
Ram Engines Info.?

If your research finds anything out, please update us on that data!

Doug
RV-3A, O-290"G" (Alt. Eng.) Sold
RV-9A, Mazda 13B/FWF
Forum: RV-12 01-12-2017, 12:53 PM
Replies: 51
Views: 17,006
Posted By dlomheim
Viking 130 PSRU

Looks like this might be good information for the "Alternative Engine" forum?

Doug
Forum: Alternative Engines 01-05-2017, 11:39 PM
Replies: 30
Views: 13,232
Posted By dlomheim
RV-8 w/Subie

Thanks for the link and initial numbers Ross! As Charlie said, we'll look forward to hearing more in the future and maybe he'll post some fuel flow numbers as well. In the pictures it shows he...
Forum: Alternative Engines 12-30-2016, 06:29 AM
Replies: 30
Views: 13,232
Posted By dlomheim
Underwing Rads

Ross: Are there any pictures available that you could post showing how he plumbed his under-wing radiators? It seems that would be a great way to go; but I'm curious how he's moving the fluids all...
Forum: Safety 12-25-2016, 01:23 AM
Replies: 30
Views: 12,629
Posted By dlomheim
9A Accident

Galin: Thanks for sharing your story, and I'm glad it all ended with only the loss of the a/c! No doubt there are freak and unpredictable weather anomalies out there that can exceed the performance...
Forum: Safety 12-24-2016, 01:16 AM
Replies: 30
Views: 12,629
Posted By dlomheim
RVs Crash Worthiness

I met a Federal accident investigator a number of years ago, and since I am building a "9A", he related to me a story of an RV accident he had worked on in California. The final "official" report is...
Forum: Safety 12-08-2016, 10:34 AM
Replies: 35
Views: 9,842
Posted By dlomheim
Used Nomex Flight Suits

You gotta just make sure you buy nearly new ones for the $100. The more the original owner washed it, the less effective the nomex will be...

Doug

RV-9A Mazda 13B/FWF
RV-3A sold
Forum: Safety 11-25-2016, 08:07 AM
Replies: 35
Views: 9,842
Posted By dlomheim
Fire Suppressant ideas

When I began building my 9A in '99 I wanted to attempt to add some safety related updates to it along the way, and therefore acquired the same explosion suppressant foam that goes into F-15 Eagles. ...
Forum: RV-3 11-22-2016, 11:43 AM
Replies: 25
Views: 6,792
Posted By dlomheim
LSA Parameters Origin?

The rumor from FAA employees when the LSA rules were drafted was that the guys coming up w/the numbers had Ercoupe's, so the performance of that a/c became the poster child for LSA max...
Forum: Alternative Engines 11-20-2016, 06:08 AM
Replies: 19
Views: 8,488
Posted By dlomheim
Apex Seal Failure?

Did you guys put some ground hours on the engine at higher power settings prior to that first flight? I know some installations' where water / oil cooling limitations makes this an impossibility,...
Forum: Alternative Engines 11-19-2016, 07:23 AM
Replies: 19
Views: 8,488
Posted By dlomheim
RV-3 List

Bill: I hope you'll upload some photos of your project to the RV-3 Status of your Project folder! It's always cool to see how others are overcoming the challenging issues of having radiators and...
Forum: Alternative Engines 11-19-2016, 01:25 AM
Replies: 19
Views: 8,488
Posted By dlomheim
Apex Seals Froze, etc.

What was the reason for the frozen apex seals? Forgot to mix 2 cycle oil with the gas? Also, do you remember what PSRU the RV6 had, and if it had a carb or was fuel injected? Cooling drag can...
Forum: RV General Discussion/News 11-03-2016, 01:50 PM
Replies: 3
Views: 2,142
Posted By dlomheim
1st RV flight!

Beware that first RV flight, for the next action of most is to write out a check for a tail kit, and start building! :)
Forum: RV-3 11-02-2016, 01:57 PM
Replies: 23
Views: 6,470
Posted By dlomheim
Jabiru Doing Well

Good deal...would rather have more options out there than fewer!

Doug
Forum: RV-3 11-01-2016, 01:02 PM
Replies: 23
Views: 6,470
Posted By dlomheim
RV Engine Mounts

The engine mount depends on what kind of engine you're going to go with of course. A number of years ago, a guy putting a Mazda Rotary engine in his RV-4 / 6 went to the engine mount mfg (that sells...
Forum: RV-3 10-26-2016, 01:19 PM
Replies: 23
Views: 6,470
Posted By dlomheim
Jabiru Status?

Re. Jabiru...some guys on our Rotary list "down under" said Jabiru had pretty much gone under financially. Is the North American operation going to survive?

Doug Lomheim
RV=9A / 13B/FWF
RV-3A sold.
Forum: Places To Fly...Things to See...Things to Eat 10-26-2016, 01:12 PM
Replies: 33
Views: 13,607
Posted By dlomheim
Total Solar Eclipse 1970

I remember we had a total solar eclipse on Mar. 7, 1970 while stationed in Va Bch, VA. Weirdest deal ever since it started getting dark at 1100 or so and then all the street lights turned on, the...
Forum: RV-3 10-08-2016, 10:47 AM
Replies: 176
Views: 132,978
Posted By dlomheim
Trim Tab Cable?

Have you considered going the electric trim route? I re-did my old "3A" binding trim cable with an electric based on Randy's site. Worked great and was really pretty easy to do.

Doug Lomheim
RV-3A...
Forum: RV-3 09-17-2016, 12:26 AM
Replies: 39
Views: 10,848
Posted By dlomheim
IO-340 w/Catto in 9A

Here's a reply from a buddy of mine who put one in a "9A". I think he said the weight is only 10 lbs more than the the O-320...

Doug

"I have the IO-340 with Catto 74X68 3-blade prop on my 9A....
Showing results 1 to 62 of 350

 
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