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Search: Posts Made By: Greg Arehart
Forum: RV Building Tips/Techniques Yesterday, 04:18 PM
Replies: 12
Views: 1,290
Posted By Greg Arehart
Don, I cut back the airbox so it is further from...

Don,

I cut back the airbox so it is further from the snorkel, allowing more distance over which the hose can flex.

Greg
Forum: RV General Discussion/News Yesterday, 04:14 PM
Replies: 4
Views: 946
Posted By Greg Arehart
I went to longer (custom) axles from Langair...

I went to longer (custom) axles from Langair about 9 years ago. I use 400-6 wheels/tires under the fairings (they fit the same as the 500-5s) and use 800-6 wheels/tires for landing at rougher...
Forum: RV Building Tips/Techniques 08-01-2020, 12:01 PM
Replies: 12
Views: 1,290
Posted By Greg Arehart
I have done what Dan suggested, although not...

I have done what Dan suggested, although not quite as spiffy as his suggestion. I have a piece of 3" scat tubing that I pulled the wire out of that fits well (i.e., pretty airtight, needs stretched...
Forum: RV General Discussion/News 07-27-2020, 08:59 PM
Replies: 180
Views: 123,528
Posted By Greg Arehart
That's the Lego test site.....

That's the Lego test site.....
Forum: RV-12/RV-12iS 07-23-2020, 06:30 AM
Replies: 16
Views: 1,839
Posted By Greg Arehart
I would suggest that this may cause you issues...

I would suggest that this may cause you issues down the road (so to speak) rubbing the tube. I balance my wheels similarly, but use pieces of old inner tube rather than anything rigid or with sharp...
Forum: RV-9/9A 07-14-2020, 11:47 AM
Replies: 20
Views: 2,948
Posted By Greg Arehart
Sure, W&B is solvable, but then one would likely...

Sure, W&B is solvable, but then one would likely have to extend the cowl and adjust other bits and pieces. Point being, it is not just a simple replacement - there are downstream consequences. But...
Forum: RV-9/9A 07-12-2020, 02:47 PM
Replies: 20
Views: 2,948
Posted By Greg Arehart
I'm certain the 9 would fly great with the turbo...

I'm certain the 9 would fly great with the turbo Rotax. Potential downsides would be 1) price of the Rotax, and 2) weight & balance (mine is already slightly tail-heavy with an IO360 on it, but also...
Forum: Reviews 07-08-2020, 05:20 PM
Replies: 21
Views: 3,453
Posted By Greg Arehart
I have been doing the same thing - looking for CO...

I have been doing the same thing - looking for CO ingress leaks. Only occurs when rich of peak (makes sense) but occurs in level flight as well as descending. Firewall recently checked and any...
Forum: RV-14 07-05-2020, 09:10 PM
Replies: 39
Views: 4,380
Posted By Greg Arehart
So the obvious (to me) question is whether/how...

So the obvious (to me) question is whether/how this applies to the prop airfoil? Presumably a polished prop would be more efficient than a buggy and scratched one?

And secondly, with the issue of...
Forum: RV Building Tips/Techniques 07-05-2020, 10:35 AM
Replies: 1
Views: 606
Posted By Greg Arehart
I would fly it first and see if it appears to be...

I would fly it first and see if it appears to be causing a problem. Then worry about it.
Forum: RV-9/9A 06-24-2020, 08:30 PM
Replies: 20
Views: 2,948
Posted By Greg Arehart
Having learned to fly at 9927 feet in an...

Having learned to fly at 9927 feet in an O300-powered 172, I can tell you that the O320 in a 9 will be fine. But I like my O360 at high DA. Very little extra weight for the extra HP if/when you...
Forum: RV General Discussion/News 06-18-2020, 05:29 PM
Replies: 32
Views: 5,091
Posted By Greg Arehart
I recommend contacting them and asking about...

I recommend contacting them and asking about altitude capability. I seem to recall that some of these oxygen generators don't work very well at higher altitude (above 12k). I would think one...
Forum: RV Ongoing Maintenance Issues 06-15-2020, 01:58 PM
Replies: 5
Views: 618
Posted By Greg Arehart
Engine baffle ignition wire seal

Mine are starting to crack a bit and am thinking of some preventive maintenance. I looked at these on ACS and they want $28.55 for a set of these little plastic buggers! And that's only good for...
Forum: RV-9/9A 06-13-2020, 04:21 PM
Replies: 4
Views: 649
Posted By Greg Arehart
Go without for starters, then fix if necessary. ...

Go without for starters, then fix if necessary. Seems to be pretty random who gets shimmy and who doesn't.
Forum: RV-14 06-13-2020, 04:14 PM
Replies: 7
Views: 1,223
Posted By Greg Arehart
Several of us in the Montrose/Delta area. EAA...

Several of us in the Montrose/Delta area. EAA 1373 if you are interested, but a bit of a drive from Durango.
Forum: Electrical Systems 06-05-2020, 05:08 PM
Replies: 35
Views: 2,440
Posted By Greg Arehart
1000 hours, 12 years, blast tube, no issues.

1000 hours, 12 years, blast tube, no issues.
Forum: Engine Monitors 05-27-2020, 05:38 PM
Replies: 15
Views: 1,103
Posted By Greg Arehart
I have 1000 hours on my engine with Dynon probes...

I have 1000 hours on my engine with Dynon probes and D120. I replaced one EGT maybe 100 hours ago and am starting to see flashes of "shock cooling" on one CHT that probably indicates it is about to...
Forum: RV General Discussion/News 05-27-2020, 06:30 AM
Replies: 180
Views: 123,528
Posted By Greg Arehart
Part of the old Seattle-Salt Lake Air Route, no...

Part of the old Seattle-Salt Lake Air Route, no doubt.

https://airandspace.si.edu/collection-objects/air-transport-airlines-usa-routes-maps-airways-map-civil-airways-united-states
Forum: RV-8/8A 05-25-2020, 05:55 PM
Replies: 11
Views: 2,438
Posted By Greg Arehart
Pie in the sky, but I would like some that fit an...

Pie in the sky, but I would like some that fit an 800-6 tire on my RV9......

Greg
Forum: California 05-18-2020, 04:23 PM
Replies: 10
Views: 901
Posted By Greg Arehart
Dan, Generally an RV can handle either runway...

Dan,

Generally an RV can handle either runway but typical arrival is on 18 and departure on 36 unless winds dictate otherwise. Coming from the east, be sure to monitor Minden frequency, as there...
Forum: Reviews 05-12-2020, 04:33 PM
Replies: 21
Views: 3,453
Posted By Greg Arehart
Thanks, Walt. I finally did find a phone number...

Thanks, Walt. I finally did find a phone number and called them, ordered both an oximeter and CO detector.

For the record, they are just about to release an app version that allows downloading the...
Forum: Reviews 05-12-2020, 08:01 AM
Replies: 21
Views: 3,453
Posted By Greg Arehart
Anybody have any contact info for Aithre? ...

Anybody have any contact info for Aithre? Nothing on their website. I'm looking to find out whether the data from the apps are downloadable.

Thanks,
Greg
Forum: RV General Discussion/News 04-27-2020, 06:32 AM
Replies: 15
Views: 1,899
Posted By Greg Arehart
I fly 800-6 tires on my RV9 and have been in and...

I fly 800-6 tires on my RV9 and have been in and out of strips that have 3" and larger rocks. There is surely a weight penalty, and drag penalty (no fairings) but worthwhile IMO. I do have a...
Forum: RV Ongoing Maintenance Issues 04-26-2020, 04:42 PM
Replies: 15
Views: 2,388
Posted By Greg Arehart
I agree with Vic/Carlos, if you want to be sure,...

I agree with Vic/Carlos, if you want to be sure, use metal stop nuts.
Forum: Safety 04-15-2020, 09:35 AM
Replies: 48
Views: 6,298
Posted By Greg Arehart
So, what kind of grease are you all using on the...

So, what kind of grease are you all using on the pin mechanism?
Forum: RV-9/9A 04-10-2020, 07:03 AM
Replies: 11
Views: 943
Posted By Greg Arehart
I don't use upper fairings. Just used a piece of...

I don't use upper fairings. Just used a piece of the (cutoff) leg fairings that butts up against the fuselage. Slides over the main leg fairing in a telescoping manner. Held in place on the main...
Forum: APRS Tracking 03-29-2020, 08:57 PM
Replies: 7
Views: 3,598
Posted By Greg Arehart
There are a lot of places in the west where it...

There are a lot of places in the west where it doesn't work at low altitude, some places even at higher altitudes. Really depends on the location of repeaters. But I have been surprised at some...
Forum: RV General Discussion/News 03-06-2020, 06:55 AM
Replies: 19
Views: 2,193
Posted By Greg Arehart
I use an 18" HF bottle jack. Drilled a 1/2" hole...

I use an 18" HF bottle jack. Drilled a 1/2" hole in the top, parallel to the stroke of the jack. Insert a ~5" piece of 3/8" threaded rod into the tiedown hole, with the other end in the hole in the...
Forum: RV General Discussion/News 02-16-2020, 11:39 AM
Replies: 5
Views: 705
Posted By Greg Arehart
Tipup canopy struts open or closed

So, just wondering (after replacing my struts recently) whether there is any longevity to be gained by leaving the canopy open vs. closed (in the hangar, of course, not outside). Seems that if the...
Forum: RV-9/9A 02-02-2020, 09:07 PM
Replies: 58
Views: 10,554
Posted By Greg Arehart
IO360 in mine since the beginning. My fuel burn...

IO360 in mine since the beginning. My fuel burn is the same or perhaps a bit less (believe it or not) than similar RVs with 320s. Possibly because of the injection vs. carb plus I lean...
Forum: RV-12/RV-12iS 01-31-2020, 02:13 PM
Replies: 3
Views: 1,055
Posted By Greg Arehart
On. Doesn't leak so no reason to turn off. One...

On. Doesn't leak so no reason to turn off. One less point of failure (of my brain remembering to turn it on).
Forum: RV-9/9A 01-13-2020, 07:02 AM
Replies: 43
Views: 6,533
Posted By Greg Arehart
I should clarify that I'm running an IO-360 with...

I should clarify that I'm running an IO-360 with fuel injection and I lean fairly aggressively. I actually flight plan for 8 gph but have found that I really use about 7.2 on average.
Forum: RV-9/9A 01-11-2020, 09:08 PM
Replies: 43
Views: 6,533
Posted By Greg Arehart
We've done a number of long trips in our 9,...

We've done a number of long trips in our 9, including to the Arctic ocean this summer (lots of space between airports) and never worried too much about the fuel capacity. Flying at 8-12k, 165 mph...
Forum: ADS-B 12-27-2019, 05:40 PM
Replies: 13
Views: 4,766
Posted By Greg Arehart
And he did not mention the 2500 AGL airspace in...

And he did not mention the 2500 AGL airspace in the mountains above 10000 feet that is available.
Forum: RV-9/9A 12-18-2019, 07:19 AM
Replies: 8
Views: 1,796
Posted By Greg Arehart
FWIW, I encased my entire rudder cables in...

FWIW, I encased my entire rudder cables in (split) poly tube from the exit point forward to avoid any potential damage due to rubbing where it passes through the bulkheads (and also have the bushing...
Forum: RV General Discussion/News 12-07-2019, 06:46 AM
Replies: 17
Views: 2,008
Posted By Greg Arehart
I have a 50x50 that is less than 15' tall. 40'...

I have a 50x50 that is less than 15' tall. 40' door on one side, Horton stack door (slider, no support needed from above). You could build a smaller hangar and add a workshop, garage, etc. on one...
Forum: Places To Fly...Things to See...Things to Eat 11-25-2019, 09:11 PM
Replies: 13
Views: 8,904
Posted By Greg Arehart
Yes, mostly at the east end. Visible on Google...

Yes, mostly at the east end. Visible on Google Earth. I understand they had to curve it to miss the road right-of-way. Pretty good uphill grade to the east, so easy to land short. Would not want...
Forum: Places To Fly...Things to See...Things to Eat 11-25-2019, 09:09 AM
Replies: 13
Views: 8,904
Posted By Greg Arehart
Recently flew into...

Recently flew into...
Forum: RV-14 11-25-2019, 09:05 AM
Replies: 14
Views: 2,244
Posted By Greg Arehart
RV9, with a few modifications from original plans...

RV9, with a few modifications from original plans that added some time (e.g., throttle quadrant, built-in wing camera), QB wings and fuselage, basic Dynon/garmin panel with a couple steam backups. I...
Forum: RV General Discussion/News 10-18-2019, 08:28 AM
Replies: 19
Views: 2,792
Posted By Greg Arehart
I have used weathermeister for about a decade and...

I have used weathermeister for about a decade and when windy came around started using that as well. Now I use windy almost exclusively because 1) it offers multiple models (as already mentioned),...
Forum: RV Ongoing Maintenance Issues 10-03-2019, 08:23 AM
Replies: 17
Views: 2,006
Posted By Greg Arehart
So if one were going to change to something other...

So if one were going to change to something other than fuel lube, how do you remove the old fuel lube from the cap?
Forum: RV General Discussion/News 09-09-2019, 07:44 AM
Replies: 13
Views: 1,949
Posted By Greg Arehart
Bill, as you know I have slightly non-stock axles...

Bill, as you know I have slightly non-stock axles (1" longer than normal) and wheels on my 9. Using Matco wheels, I run 400-6 tires with wheel pants and they fit fine. Perfect for normal asphalt...
Forum: RV General Discussion/News 09-01-2019, 09:58 PM
Replies: 9
Views: 2,569
Posted By Greg Arehart
I don't recall whether I safetied either of...

I don't recall whether I safetied either of these, and the one in the servo seems to have no reason to safety, since the nut is still rotatable. But if you want to safety them, simply safety the...
Forum: RV Building Tips/Techniques 08-13-2019, 07:17 PM
Replies: 5
Views: 1,017
Posted By Greg Arehart
Steel press-in hole plugs from the local hardware...

Steel press-in hole plugs from the local hardware store plus some sealant. Variety of sizes available, usually including stainless. Simple and cheap, but not as elegant as the nested tinnermans.
Forum: RV-9/9A 07-01-2019, 08:40 AM
Replies: 47
Views: 8,268
Posted By Greg Arehart
Could be it's really draggy, could be poor engine...

Could be it's really draggy, could be poor engine performance or low compression, could be pitch on prop. Most folks don't brag on slow speeds, so you are likely seeing the best-performing numbers...
Forum: Canada 05-28-2019, 06:39 PM
Replies: 21
Views: 3,645
Posted By Greg Arehart
I also recently (3 days ago) crossed the border...

I also recently (3 days ago) crossed the border at low level (below radar and Center radio coverage). I got a squawk code before departing the last airport, but weather was low enough that I could...
Forum: Canada 05-28-2019, 06:32 PM
Replies: 21
Views: 3,645
Posted By Greg Arehart
Short answer is yes. Longer answer is that you...

Short answer is yes. Longer answer is that you need a "Standardised Validation of a Special Airworthiness Certificate - Experimental...." which is downloadable (I think from Transport Canada and...
Forum: RV-6/6A 05-22-2019, 04:32 PM
Replies: 14
Views: 4,755
Posted By Greg Arehart
Glad someone is getting somewhere. We've been...

Glad someone is getting somewhere. We've been sitting in CO for almost a week waiting for decent enough weather to head north. Tried today and got to the Wasatch in UT and had to turn around and...
Forum: RV General Discussion/News 05-01-2019, 10:53 AM
Replies: 4
Views: 916
Posted By Greg Arehart
If you come to Delta in the next 3 weeks (before...

If you come to Delta in the next 3 weeks (before I head N for the summer), I can show you my setup.

Greg
Forum: RV General Discussion/News 04-26-2019, 05:48 PM
Replies: 23
Views: 2,997
Posted By Greg Arehart
Been very happy with my Horton stack doors. ...

Been very happy with my Horton stack doors. Manual to operate so no issues with power outages. Made in various sizes. Rated for high wind, but you would have to check with them to find out if it...
Forum: RV Ongoing Maintenance Issues 04-13-2019, 08:19 AM
Replies: 28
Views: 5,682
Posted By Greg Arehart
Bill, Are you using the standard Vans fuel...

Bill,

Are you using the standard Vans fuel pressure transducer? Just wondering as I recall that a number of folks (myself included) have had these go to high P, presumably because of a ground...
Forum: Propellers 04-04-2019, 08:13 AM
Replies: 17
Views: 2,472
Posted By Greg Arehart
Flown with the original aluminum sensenich,...

Flown with the original aluminum sensenich, 2-blade Catto, and 3-blade Catto on my 9. I prefer the 3-blade. Not a huge difference in overall performance among the three. 3-blade gives slightly...
Forum: RV Building Tips/Techniques 04-03-2019, 07:03 AM
Replies: 9
Views: 1,231
Posted By Greg Arehart
For the record, how does one tell soft from hard...

For the record, how does one tell soft from hard rivets (other than the final product)? Color difference?
Forum: RV-7/7A 03-24-2019, 08:41 AM
Replies: 7
Views: 1,524
Posted By Greg Arehart
My mistake (excuse: it has been 8 years since I...

My mistake (excuse: it has been 8 years since I did this). It is actually the F711C, horizontal stab attach bars, Drawing 21. These can be tapered for the 9A to save a few ounces, but should be...
Forum: RV-7/7A 03-21-2019, 08:05 AM
Replies: 7
Views: 1,524
Posted By Greg Arehart
One of the key differences is the VS spar (edit:...

One of the key differences is the VS spar (edit: see below, actually the HS attach bars, not the VS). If it has been lightened by the original builder for an A model, you will have to replace it to...
Forum: RV-8/8A 03-21-2019, 07:59 AM
Replies: 21
Views: 4,230
Posted By Greg Arehart
Condor is slightly wider than stock tailwheel in...

Condor is slightly wider than stock tailwheel in terms of ground contact. I'll be at airport later today and will edit this with the measured width of the tire itself. After years taxiing in what...
Forum: RV General Discussion/News 03-21-2019, 07:54 AM
Replies: 14
Views: 1,731
Posted By Greg Arehart
I have two of the Bison bags from years ago. I...

I have two of the Bison bags from years ago. I would guess empty weight might be a pound. I use one for maintenance items (oil, jack, tools, etc.) and the other for emergency survival supplies. ...
Forum: RV-8/8A 02-04-2019, 06:05 PM
Replies: 4
Views: 1,097
Posted By Greg Arehart
10 pants on an 8

I have a buddy who just finished an 8 and is considering larger tires (lives up north) and wanted to know if anyone out there has put larger tires and 10 wheel pants on an 8. I recall reading...
Forum: RV General Discussion/News 01-17-2019, 07:17 AM
Replies: 13
Views: 1,361
Posted By Greg Arehart
Yes, I built a "hat shelf" just behind the aft...

Yes, I built a "hat shelf" just behind the aft bulkhead. I keep a couple of down jackets and two empty plastic gallon jugs (for carrying gas in an emergency) in there when flying in remote areas. ...
Forum: Traditional Aircraft Engines 01-04-2019, 08:08 AM
Replies: 14
Views: 2,238
Posted By Greg Arehart
Stuff some steel wool (stainless type that is...

Stuff some steel wool (stainless type that is used for kitchen scrub pads) into the heat muff. Increases heat transfer. May not totally solve the problem but helps a lot. I have two individual...
Forum: RV-9/9A 12-18-2018, 07:48 AM
Replies: 9
Views: 1,295
Posted By Greg Arehart
Unbolt (remove the nuts), yes; remove wings, no.

Unbolt (remove the nuts), yes; remove wings, no.
Forum: RV-6/6A 12-17-2018, 08:50 PM
Replies: 10
Views: 2,375
Posted By Greg Arehart
I have two pairs of holes in my axle, as I change...

I have two pairs of holes in my axle, as I change between wheel/tire sizes. Doubt it will be an issue as those axles are pretty stout.
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