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Search: Posts Made By: grubbat
Forum: Alternative Engines 06-19-2022, 07:33 PM
Replies: 66
Views: 8,049
Posted By grubbat

After all these years, Iím amazed that we are still discussing the IAS and TAS limitations on the RV. Last week I had this same discussion with a know-it-all airline pilot who simply did not agree...
Forum: RV-6/6A 05-18-2022, 07:11 PM
Replies: 17
Views: 1,349
Posted By grubbat
Avoid -7 rudder

Avoid the -7 rudder and get the -8.
The -8 rudder has more margins than the -7 zipper.
Forum: Traditional Aircraft Engines 03-21-2022, 07:27 PM
Replies: 26
Views: 2,771
Posted By grubbat

Rotella diesel oil
Forum: Traditional Aircraft Engines 02-28-2022, 08:05 PM
Replies: 10
Views: 1,704
Posted By grubbat
Kevlar Belt

Iíve been running the Kevlar link belt for about 3 or 4 yrs. Over time it kinda gets a set and stretches a little but perfect for emergencies. That said, when I get a round to it, Iíll pull the CS...
Forum: RV Ongoing Maintenance Issues 02-21-2022, 08:22 PM
Replies: 7
Views: 648
Posted By grubbat
Wrap a magnet

Iíve wound the wires through a round magnet and was able to choke out the noise. Canít remember where I got the magnet but it came in two halves and it just folded over.

Good luck on your fix.
Forum: RV General Discussion/News 02-18-2022, 12:03 PM
Replies: 15
Views: 2,129
Posted By grubbat
Not at the moment

Just a couple of years ago you couldnít give a twin away. Now, if it airworthy, they are bringing top dollar. If inflation continues, we may start to see some of these hangar queens being parted out...
Forum: RV General Discussion/News 02-18-2022, 06:54 AM
Replies: 15
Views: 2,129
Posted By grubbat

I sold a 3000hr Aerostar motor a couple of weeks ago for 10k, no questions asked. I called engine shiop about getting 4 M1B intake tubes and the price is now $300 each, $1200 a set. They also told me...
Forum: RV-15 02-18-2022, 06:44 AM
Replies: 40
Views: 20,023
Posted By grubbat
Smokey let the cat out of the bag

Well, I guess now that Mr Smokey has shared his pic of the RV-15, guess Iíll share mine........ albeit sideways.....
Forum: Traditional Aircraft Engines 02-17-2022, 10:45 AM
Replies: 10
Views: 1,389
Posted By grubbat
Pics of metal miniture ball

Thanks for the help on the pics. Here they are.
Forum: Traditional Aircraft Engines 02-17-2022, 07:01 AM
Replies: 10
Views: 1,389
Posted By grubbat
Lycoming Low Oil Pressure on Final

I0-360, about 200hr SMOH, recent oil and filter change, Victory multi grade aircraft oil (winter operation), 20 minutes into flight, on 10mile final, no traffic, beautiful evening.......

Forum: Safety 01-31-2022, 05:14 AM
Replies: 20
Views: 3,653
Posted By grubbat

Iím not fond hump runways especially when it has a huge slope that encourages folks to takeoff downhill and land uphill. Case in point, GA2 Peach State. Home to barnstormers grill. Great place to...
Forum: RV General Discussion/News 12-09-2021, 07:19 AM
Replies: 48
Views: 17,323
Posted By grubbat
Vans credit

Ok, at this point, I think it is appropriate to recognize Vans for the great company that it is. Sometimes it’s hard to see when a company excels in so many ways until you compare them to the...
Forum: RV-9/9A 11-21-2021, 06:15 AM
Replies: 12
Views: 3,037
Posted By grubbat
Friend price

Friend price is $40,000 to $50,000.
Forum: Traditional Aircraft Engines 11-20-2021, 09:31 PM
Replies: 2
Views: 526
Posted By grubbat
Decathlon IO320

I have a first run IO-320 out of a decathlon. CS Prop being overhauled. It is complete with Governor and exhaust and so forth. I think itís 1500hr since new.
PM me if interested.
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-11-2021, 07:24 PM
Replies: 36
Views: 14,349
Posted By grubbat

My name and password from VAF was compromised from a data breach. Hackers posted the names and passwords on the dark web and thus thatís why several have had imposters post here. I caught one trying...
Forum: RV General Discussion/News 09-22-2021, 06:39 AM
Replies: 6
Views: 1,483
Posted By grubbat
# 2 Problem

I removed the dam and solved my #2 problem. 😀
Forum: RV General Discussion/News 09-21-2021, 06:56 AM
Replies: 32
Views: 5,443
Posted By grubbat

Greg, have you found reading the information to be ever be difficult? When I look at the screen, my mind is saying information overload even though I know that everything on the screen is needed at...
Forum: Glass Cockpit 09-21-2021, 06:47 AM
Replies: 0
Views: 561
Posted By grubbat
Need upgrading ideas for weak eyes

Please delete.
Forum: RV General Discussion/News 09-21-2021, 06:06 AM
Replies: 17
Views: 3,330
Posted By grubbat
Poor in spirit

ďSometimes living in a trailer has its advantages.Ē

When I heard that line 50yr ago, I didnít understand why someone would live in one of those. Granted back then, the floors would swell and rotten...
Forum: RV General Discussion/News 09-19-2021, 02:15 PM
Replies: 30
Views: 5,837
Posted By grubbat

Avgas for cleaning engine, avgas for cleaning hands, avgas for cleaning windshield, and finally avgas for termites and ants.

Being cheap makes one swell with pride.

Wanted, windshield for my...
Forum: RV General Discussion/News 09-19-2021, 02:05 PM
Replies: 28
Views: 5,072
Posted By grubbat
5hr dual

When I got my RV-3, insurance wanted me to get 5hr dual in RV-3.
Hummmm, ok. I told them I had 10 hr in a Piper Tomahawk and they said that works. Now, this exercise told me a lot about the...
Forum: RV-12/RV-12iS 09-13-2021, 05:56 AM
Replies: 13
Views: 2,465
Posted By grubbat
Tax Collector

Having been on both sides of this issue over the years, it can be quite frustrating due to the inconsistency of the tax process. Variations between states and within states, between counties and...
Forum: RV General Discussion/News 09-13-2021, 05:49 AM
Replies: 19
Views: 7,630
Posted By grubbat

Im going to sell the wings and struts and 0300 engine and basically modify the M4 fuselage and go with Bearhawk wings and maybe RV cowling. I like the airfoil tail of the Bearhawk so Iíll probably...
Forum: RV General Discussion/News 09-12-2021, 02:07 PM
Replies: 2
Views: 995
Posted By grubbat

COVID messed up my concentration and general thinking ability. Weirdest thing every. Had it 8 days with high temp, cramps, major hip pain, and so on. Day 8 I gave up and got the monoclonal antibody...
Forum: RV General Discussion/News 09-11-2021, 12:16 PM
Replies: 19
Views: 7,630
Posted By grubbat
High wing

8 years laterÖ. Bought a M4 project Ö.. tired of waiting on Vans.,,,, but still got the Flying carpet -9 though. Got to keep it RV related ya know.
Forum: RV-15 09-01-2021, 06:28 AM
Replies: 242
Views: 61,493
Posted By grubbat

If I recall, Vans had a graph with a curve on it that showed the relationship between speed and survivability, using data from I guess years of information. I donít think the point was the actual 55...
Forum: RV-15 08-30-2021, 06:19 AM
Replies: 242
Views: 61,493
Posted By grubbat
Speed range

I remember getting Kitplanes magazine in the 80ís and comparing all the kits specs. Which one was fastest, slowest, cheapest, and so forth. I remember settling on the RV because it did a lot of...
Forum: RV General Discussion/News 08-20-2021, 08:04 PM
Replies: 19
Views: 7,072
Posted By grubbat

Well Mr Greg, Iíd like to make a deposit on the RV-15 kit, sight unseen. I know itís gonna be great. Any provisions on a discount maybe the first 25 or so orders? 😄.
Just kidding. I was just getting...
Forum: RV-15 07-26-2021, 07:20 PM
Replies: 10
Views: 5,738
Posted By grubbat
Iím ready

I sold my Maule and held up on building a bearhawk just so I could build the proposed RV-15. I was hoping it would come to market before I kicked the bucket. Iíll probably sell the RV-9 and Aerostar...
Forum: RV-9/9A 06-24-2021, 09:41 PM
Replies: 35
Views: 11,230
Posted By grubbat
2700 rpm

Seems like the CAFE analysis on the RV-9 showed 30mpg at several RPMs . Iím curious to see how your data would compare to say 2700RPM.
Here is link to the report to save ya some searching....
Forum: RV General Discussion/News 06-02-2021, 09:16 PM
Replies: 89
Views: 24,337
Posted By grubbat
One year, Avemco was high. Next year they were...

One year, Avemco was high. Next year they were lower. I used them for the liability only Aerostar. I use Global for the RV. Itís liability only too. I stopped doing full coverage. Cost too much and...
Forum: Safety 06-02-2021, 09:46 AM
Replies: 12
Views: 2,921
Posted By grubbat

I guess it comes down to your acceptable risk for you and your passengers. In the real world I would consult a aircraft structural engineer with the issues and some suggested repair options. It would...
Forum: RV-10 05-30-2021, 02:47 PM
Replies: 66
Views: 15,912
Posted By grubbat

I suspected the reinforcing would be more advantageous over time especially for the repeated use of the over 170lb folks. When I was considering using the steps, I thought about not only heat...
Forum: RV-10 05-30-2021, 06:33 AM
Replies: 66
Views: 15,912
Posted By grubbat
Broke steps

Steps have been breaking for decades. Didnít put them on my -9 for that very reason. Yes Iím a certified aircraft welder. Those failures look like a combination of inadequate stress relief after the...
Forum: Traditional Aircraft Engines 05-24-2021, 06:13 AM
Replies: 19
Views: 3,367
Posted By grubbat

A lot of people put the dam that comes in the baffle kit in front of cyl1 and then they get issues with 1 being hot. Unless you live in Alaska or there about, that little critter is unnecessary. I...
Forum: RV General Discussion/News 05-22-2021, 06:54 AM
Replies: 87
Views: 19,988
Posted By grubbat

I enjoyed flying the 150 and 172 planes. Cessna did a great job getting the wing right for its intended purpose. They are cheap to maintain and thereís a bunch around. However, like most things in...
Forum: RV-9/9A 05-18-2021, 06:02 PM
Replies: 29
Views: 7,015
Posted By grubbat

5 mph is huge. The late Bob Axiom would have loved to known this.
Please keep us posted as this sounds like a fun project.
Forum: Traditional Aircraft Engines 05-18-2021, 05:28 PM
Replies: 33
Views: 5,768
Posted By grubbat
No typo

No typo. My star used to make nightly check runs so flying all day for 5 days a week can get you to 2000hr pretty quickly. With the internet, those flying jobs went by way of the dodo bird.
Forum: Traditional Aircraft Engines 05-18-2021, 05:46 AM
Replies: 33
Views: 5,768
Posted By grubbat
I use it on sometimes

Right now I have three lycomings under my daily watch. A custom built experimental io360 that is about 190 to 200hp with about 300hr smoh and two certified io540 each producing 290hp at 2550 rpm or...
Forum: Alternative Engines 05-15-2021, 09:02 AM
Replies: 10
Views: 3,134
Posted By grubbat
Alternate engine

Iíd expect the price for an alternate engine RV to be between 30% to 50% less than similarly equipped lycoming model.
Forum: Traditional Aircraft Engines 04-22-2021, 06:50 PM
Replies: 20
Views: 2,506
Posted By grubbat
You only need a 320

Well because you donít need a io320, you will go too fast with a 360, and your hair will fall out. Now, if you want a climbing homesick angel, and you can properly control the throttle, then you may...
Forum: RV models of the future (RV-??) 04-22-2021, 06:06 AM
Replies: 28
Views: 8,898
Posted By grubbat
I thought about that and with the increase in the...

I thought about that and with the increase in the engineering team and fabrication equipment, it appears that there may be some actual movement in a new design.

That being said, while a twin or...
Forum: RV-3 04-21-2021, 04:09 PM
Replies: 18
Views: 4,655
Posted By grubbat
Kicking a dead horse

The topic of VNE, IAS, TAS has been discussed at length through the decades on VAF and at Vans. I along with BillL and others have tried to get some movement at Vans concerning this but to date no...
Forum: Propellers 04-21-2021, 03:59 PM
Replies: 5
Views: 1,521
Posted By grubbat
Good advice on the longer prop

I sent 5 constant speed props out for overhaul and two were rejected due to blade length. So, the 74Ē prop would be my choice if I was gonna keep the plane for a long period of time. The shorter prop...
Forum: RV-9/9A 04-18-2021, 03:09 PM
Replies: 29
Views: 7,015
Posted By grubbat
Wheel pants

Wheel pants will help keep the rocks and sticks from hitting under your wings. Over time, the fiberglass will work on the attaching hardware holes and then it would be a great time to remove the...
Forum: Web Site Development 04-18-2021, 03:04 PM
Replies: 0
Views: 2,989
Posted By grubbat
Database search

When I search the site, I will get returns of posts from 2021, 2020, then around 2015, then 2010, then 2005. It’s almost like the database is missing chunks of data here and there. Have you noticed...
Forum: RV-7/7A 04-18-2021, 06:44 AM
Replies: 20
Views: 5,737
Posted By grubbat
Worldwide supply chain

The worldwide supply chain is screwed up and no relief is expected for at least a year. Microchip shortage has Toyota stopping the Tundra production in Texas. My metal prices for raw galvanized sheet...
Forum: Alternative Engines 04-09-2021, 08:04 AM
Replies: 11
Views: 3,644
Posted By grubbat

What is the design rpm of this liquid piston engine?
I wonder if this would be a good candidate to drive a ducted fan?
Forum: Traditional Aircraft Engines 04-04-2021, 03:09 PM
Replies: 44
Views: 6,212
Posted By grubbat

Well technically, not changing the oil filter while changing the oil is liken to taking a shower and not changing underwear. Technically, it can be done , but ewwwww.
Forum: RV General Discussion/News 03-31-2021, 05:01 AM
Replies: 69
Views: 11,015
Posted By grubbat
I LOVE Marvel Mystery Oil

I absolutely LOVE marvel mystery oil ............
in my air tools.

My Lycoming io540 which has 20,000 hr total time and 3100 SMOH uses straight 50wt oil in summer and 20w multi in winter,...
Forum: RV-9/9A 03-19-2021, 06:12 AM
Replies: 35
Views: 5,092
Posted By grubbat

For my -9, I slow downwind just enough to add some flaps then add some power, over the numbers full flaps on calm day or max lift flaps on windy day and bleed power off with nose pointed downward....
Forum: RV-9/9A 03-16-2021, 07:19 AM
Replies: 22
Views: 3,721
Posted By grubbat

Step 1. TAke the RV-9 tail off and install RV-8 tail.
Step 2. Take both wings off and set in corner of shop.
Step 3. Do research on how to convert a Diesel engine to the RV airframe
Step 4. Ponder...
Forum: RV General Discussion/News 02-01-2021, 05:51 AM
Replies: 137
Views: 41,028
Posted By grubbat
Critical time

Engine failure at rotation is a handful and sobering event. Every twin driver does a mental scan of this possible event on EVERY takeoff. My plane with gear and flaps down wonít fly at rotation with...
Forum: RV General Discussion/News 01-04-2021, 09:03 AM
Replies: 2
Views: 1,209
Posted By grubbat

Realistically, aircraft values have gone up year over year. Itís not like a car or a singlewide. Everybody hates taxes especially reoccurring ad valorum taxes on an asset that keeps going up up up....
Forum: RV-9/9A 01-04-2021, 12:50 AM
Replies: 29
Views: 6,294
Posted By grubbat
Wing tips

You could remove the big wingtips and put end plates on and save some wingspan but anything more would be extensive because the flaps and ailerons would have to be shortened. The wingtips have some...
Forum: RV Ongoing Maintenance Issues 01-03-2021, 06:52 PM
Replies: 17
Views: 2,643
Posted By grubbat
Earthx cutout

My Earthx cut power once. It was an unpleasant experience. Shouldnít have happened, but it did. The BMS can be a little snot sometimes.
Forum: RV-9/9A 01-03-2021, 02:25 PM
Replies: 29
Views: 6,294
Posted By grubbat

If I were to guess, I suspect the high aspect ratio wing performs less optimal pulling Gíg than the other standard Vans wings. I also suspect the longer span, and the longer horizontal are less...
Forum: My RV Build Project 12-24-2020, 09:56 PM
Replies: 12
Views: 5,968
Posted By grubbat
Good choice

You have joined a small but very wise group of -9 drivers. We have the best kept secret all-around flying model that Vans offers. You will love that wing and hopefully you will have your plane built...
Forum: Safety 12-24-2020, 09:52 PM
Replies: 61
Views: 13,966
Posted By grubbat
Steam AND Glass?????

So you had steam gauges and glass and the electrons went tangle uniform?
Imagine that. Your risk mitigation plan of having both steam and glass was a smart decision. You have now joined the club of...
Forum: RV General Discussion/News 12-18-2020, 10:43 AM
Replies: 32
Views: 6,901
Posted By grubbat
Combination is risk mitigation

I think it's smart to keep a simple steam A/S and Altimeter somewhere in the panel to go with all the nice electrons dependent stuff. I love glass when it works, and most of the time it works, but...
Forum: RV General Discussion/News 10-31-2020, 01:22 PM
Replies: 17
Views: 8,202
Posted By grubbat
Liability only

Liability only with not in motion for me. Filing a claim is almost a death sentence anyway, at least for 3 years.
Forum: RV General Discussion/News 10-25-2020, 09:50 AM
Replies: 10
Views: 2,890
Posted By grubbat
It depends

Well, it depends. If the Prebuy is a good one, then yes. If the Prebuy is sloppy, then no. However some pre-buys are unrealistic, pointing out things that are just stupid. Iíve seen my share of...
Forum: Southeast 10-24-2020, 08:37 PM
Replies: 14
Views: 3,875
Posted By grubbat

The yearly ad valorum tax can be itemized but not the one time tax. We got snookered on that one. I went from paying 100 for a vehicle tag that was deductible to paying 2800.00 at the purchase of a...
Forum: RV-9/9A 10-24-2020, 11:49 AM
Replies: 25
Views: 9,449
Posted By grubbat

I would fathom that most people differenate the -9 and the other RV Ďs as either aerobatic or non-aerobatic (Vans states it in their sales literature) and thus they assume that the Gentlemanís...
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