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Search: Posts Made By: Scott Hersha
Forum: RV General Discussion/News 02-17-2019, 07:28 PM
Replies: 2
Views: 175
Posted By Scott Hersha
I am helping a friend with a condition inspection...

I am helping a friend with a condition inspection on an RV8 with a BA Hartzell, and I found the same thing on the backplate. Two rivet heads popped off, both adjacent to one of the blades. No...
Forum: Traditional Aircraft Engines 02-16-2019, 08:51 AM
Replies: 2
Views: 271
Posted By Scott Hersha
Those are pipe threads so just make sure it is...

Those are pipe threads so just make sure it is tight. I would use the white Permatex high performance thread sealant.
Forum: ADS-B 02-16-2019, 08:21 AM
Replies: 4
Views: 365
Posted By Scott Hersha
As long as you have the letter from the Aircraft...

As long as you have the letter from the Aircraft Registration Branch authorizing your new N number, you can paint it on the plane and use your original Aircraft Registration form along with that...
Forum: Glass Cockpit 02-14-2019, 07:22 PM
Replies: 36
Views: 2,568
Posted By Scott Hersha
The IFR approved and primary NAV source, in this...

The IFR approved and primary NAV source, in this case, is VOR navigation for the enroute portion (and approach phase also in this example). Using a non-IFR approved source for direct to GPS...
Forum: RV General Discussion/News 02-11-2019, 08:48 PM
Replies: 6
Views: 528
Posted By Scott Hersha
Tim, You canít do the condition inspection...

Tim,
You canít do the condition inspection (unless you have an A&P), but you can modify your homebilt as much as you want, as long as you feel comfortable doing this kind of work. Moving your...
Forum: RV-8/8A 02-09-2019, 08:38 PM
Replies: 4
Views: 515
Posted By Scott Hersha
Put a level across the longerons laterally, and...

Put a level across the longerons laterally, and if itís level, check the tires for equal pressure. This assumes the floor where itís sitting is level. If everything is level and one wing is higher...
Forum: Glass Cockpit 02-09-2019, 08:12 PM
Replies: 36
Views: 2,568
Posted By Scott Hersha
You are only required to have IFR certified...

You are only required to have IFR certified navigation equipment necessary for the route being flown enroute, and the approach you are conducting at you point of landing. That means an SL30 is all...
Forum: Glass Cockpit 02-05-2019, 05:20 PM
Replies: 15
Views: 931
Posted By Scott Hersha
Marker beacons? Do they still use those? (Just...

Marker beacons? Do they still use those? (Just kidding).. I havenít used those, or even seen them in an advanced cockpit for...... decades?? Maybe I exaggerate, but I wouldnít wire a new IFR...
Forum: VAF Classifieds (posts in here deleted after 30 days) 02-05-2019, 04:50 PM
Replies: 4
Views: 450
Posted By Scott Hersha
Bummer..... just saw this post.....

Bummer..... just saw this post.....
Forum: RV-10 01-31-2019, 09:37 PM
Replies: 39
Views: 5,122
Posted By Scott Hersha
Governors - Woodward, Hartzell, & Jihostroj. All...

Governors - Woodward, Hartzell, & Jihostroj. All have behaved pretty much the same. Wonít cycle at 17-1800 RPM on runup, using a Hartzell, or Whirlwind prop. They try to cycle at 2000 RPM, but itís...
Forum: RV-10 01-31-2019, 09:17 PM
Replies: 16
Views: 1,515
Posted By Scott Hersha
You could also just take the heat muff off the...

You could also just take the heat muff off the exhaust pipe. Remove the scat tube from the baffle and tape over the opening. Put it back on in cold weather.
Forum: Traditional Aircraft Engines 01-31-2019, 08:55 PM
Replies: 16
Views: 2,369
Posted By Scott Hersha
I pre-oiled mine using a pump sprayer from the...

I pre-oiled mine using a pump sprayer from the garden dept at Home Depot. Cut the spray want off the pump sprayer output line and connect it to a short piece of aluminum tubing with an AN coupling...
Forum: Electrical Systems 01-30-2019, 07:28 PM
Replies: 13
Views: 1,302
Posted By Scott Hersha
Iíve used D-sub pins/sockets in a few places with...

Iíve used D-sub pins/sockets in a few places with the following mod: once they are together, I put a slight squeeze on the barrel with a cheap crimper. This gives the connection an interference fit...
Forum: RV-10 01-30-2019, 07:14 PM
Replies: 12
Views: 989
Posted By Scott Hersha
Iím just curious about why. It seems like any...

Iím just curious about why. It seems like any drag reduction for finishing off the flap, aileron, etc ends would end up maybe increasing drag. The only air blowing through those gaps during straight...
Forum: RV-10 01-29-2019, 04:29 PM
Replies: 39
Views: 5,122
Posted By Scott Hersha
What Mark just said. Limit engine run time before...

What Mark just said. Limit engine run time before first flight, and then run it hard - over the airport for an hour if possible. You probably shouldnít cycle the prop because it takes too long at too...
Forum: RV Photo/Video URLs 01-26-2019, 07:47 AM
Replies: 9
Views: 1,438
Posted By Scott Hersha
Nice 3-point.... right on the centerline! Iím...

Nice 3-point.... right on the centerline!

Iím guessing saving avgas wasnít the goal, overall, a beautiful day to go flying.
Forum: Fiberglass 01-24-2019, 03:22 PM
Replies: 101
Views: 128,590
Posted By Scott Hersha
Peel ply is Dacron. I went to a local fabric...

Peel ply is Dacron. I went to a local fabric store and bought some, pretty cheap, and it works well. Youíll need some good scissors to cut it. My pizza cutter works well on fiberglass, but not so on...
Forum: Electronic Ignition Systems 01-24-2019, 02:05 PM
Replies: 44
Views: 3,306
Posted By Scott Hersha
Eric, Thatís what I did, but it seems a little...

Eric,
Thatís what I did, but it seems a little crude because Iím dealing with less than a full tooth. Iím probably pretty close though.
Forum: Electronic Ignition Systems 01-24-2019, 01:46 PM
Replies: 44
Views: 3,306
Posted By Scott Hersha
Yes, I timed the mags at about 1.5* after TDC...

Yes, I timed the mags at about 1.5* after TDC with the jumper still in, which slides the ‘A’ curve to the right. This means that on start up, the mags will fire 1.5* later than when they were timed...
Forum: Electronic Ignition Systems 01-24-2019, 09:11 AM
Replies: 44
Views: 3,306
Posted By Scott Hersha
I just reset the timing to 1.5 degrees after TDC,...

I just reset the timing to 1.5 degrees after TDC, as recommended by Brad at EmagAir when I questioned him about making my ignition a little less aggressive. This results in a corresponding retard of...
Forum: RV-8/8A 01-24-2019, 08:39 AM
Replies: 34
Views: 9,093
Posted By Scott Hersha
I also use portable seat heaters like Aggie78 and...

I also use portable seat heaters like Aggie78 and it works quite well in Ohio, especially for the back seater in my RV8. The 12V adapter (cigarette lighter socket) is protected by a 5 amp circuit...
Forum: RV General Discussion/News 01-23-2019, 09:02 PM
Replies: 16
Views: 1,312
Posted By Scott Hersha
If you have standard steel cylinder barrels, or...

If you have standard steel cylinder barrels, or nickle plated barrels, your break in at high power settings should be pretty short, 2-3 hours at the most usually. If you have chrome plated barrels,...
Forum: RV General Discussion/News 01-23-2019, 05:55 PM
Replies: 883
Views: 188,774
Posted By Scott Hersha
Steve, NICE! Thatís what Iím talking about. ...

Steve,
NICE! Thatís what Iím talking about. Very secure rudder, and elevators for -A models, and taildraggers too. How thin is the web on the elevator counterweight control lock?
Forum: RV Building Tips/Techniques 01-22-2019, 08:06 PM
Replies: 46
Views: 5,676
Posted By Scott Hersha
[QUOTE=snopercod;1318875]So you won't use the...

[QUOTE=snopercod;1318875]So you won't use the best available lock washer in order to save 53 cents? :rolleyes:

Yes, I would definitely use a Nord-lock in place of safety wire, and $.53 wouldnít stop...
Forum: RV Building Tips/Techniques 01-22-2019, 09:08 AM
Replies: 46
Views: 5,676
Posted By Scott Hersha
COST $$. At Aircraft Spruce MS35333 cad plated...

COST $$. At Aircraft Spruce MS35333 cad plated internal tooth #10 washers are $.02 each. Same size Nord Lock is $.55. Nord Locks lock better than interrrnal or external tooth lock washers. It seems...
Forum: RV General Discussion/News 01-20-2019, 08:18 AM
Replies: 883
Views: 188,774
Posted By Scott Hersha
Steve, Iím no longer amazed at your level of...

Steve,
Iím no longer amazed at your level of engineering and load path calculating when designing and building these printed things - because Iím used to it by now! I like your rudder lock with the...
Forum: RV General Discussion/News 01-20-2019, 07:58 AM
Replies: 29
Views: 2,928
Posted By Scott Hersha
((Oh BTW. I'm going to steal Mel's...

((Oh BTW. I'm going to steal Mel's response.))

Me too!!! Thatís the best response Iíve ever heard.
Forum: RV General Discussion/News 01-18-2019, 06:15 PM
Replies: 14
Views: 1,107
Posted By Scott Hersha
Agree with Scott, two in series is the way to go,...

Agree with Scott, two in series is the way to go, at least for the RV8. I did that on my first RV8 with a Vetterman crossover exhaust and I had plenty of heat in the winter. On my new RV8 I have an...
Forum: Electronic Ignition Systems 01-18-2019, 03:01 PM
Replies: 17
Views: 1,384
Posted By Scott Hersha
Thanks Bill, and yes I did install them exactly...

Thanks Bill, and yes I did install them exactly as the manual suggests. I was just questioning the failure mode if the ground wire were to fail, either in the wire
/connector itself, or the...
Forum: Electronic Ignition Systems 01-18-2019, 08:13 AM
Replies: 17
Views: 1,384
Posted By Scott Hersha
I guess I didn’t consider a bolt falling off the...

I guess I didn’t consider a bolt falling off the engine as a risk - but anything is possible. I’ll check mine to see if I’ve done that. The more likely failure point is the wire/connector and I have...
Forum: Glass Cockpit 01-18-2019, 07:40 AM
Replies: 13
Views: 983
Posted By Scott Hersha
$400 here at KHAO - Cincinnati area. It takes...

$400 here at KHAO - Cincinnati area. It takes about an hour for G3X touch, G5, GTX45R with no issues, a little longer it there are leaks or other problems, but the price will usually not change.
Forum: Electronic Ignition Systems 01-17-2019, 11:10 PM
Replies: 17
Views: 1,384
Posted By Scott Hersha
Bill - why canít both Pmags be grounded to the...

Bill - why canít both Pmags be grounded to the same case bolt? It seems like two case bolts on the same case, just a few inches apart, would be electrically the same. Iím pretty sure both of mine...
Forum: RV General Discussion/News 01-16-2019, 03:43 PM
Replies: 10
Views: 792
Posted By Scott Hersha
What shows on the website for N number owner...

What shows on the website for N number owner isnít necessarily up to date. I made an N number change in October that took 6 weeks to be approved, so I could get it painted on my fuselage (by GLO),...
Forum: RV General Discussion/News 01-13-2019, 08:08 PM
Replies: 883
Views: 188,774
Posted By Scott Hersha
I can show you how I secure my control lock on...

I can show you how I secure my control lock on (yours would be better) on the outboard end, using a bungee and a hook.
Forum: RV General Discussion/News 01-13-2019, 08:06 PM
Replies: 883
Views: 188,774
Posted By Scott Hersha
Changed the previous post about the DC3 - its...

Changed the previous post about the DC3 - its been a long time ago..... Actually the control locks were designed to prevent ripping the ailerons off with inadvertent flap extension because of...
Forum: RV General Discussion/News 01-13-2019, 07:57 PM
Replies: 883
Views: 188,774
Posted By Scott Hersha
Do you really want the aileron lock installed...

Do you really want the aileron lock installed there? Flaps would need to be up, and if you inadvertently lowered the flaps with the lock still installed, something would have to give - either the...
Forum: RV General Discussion/News 01-13-2019, 07:55 PM
Replies: 883
Views: 188,774
Posted By Scott Hersha
Do you really want the aileron lock installed...

Do you really want the aileron lock installed there? Flaps would need to be up, and if you inadvertently lowered the flaps with the lock still installed, something would have to give - either the...
Forum: RV General Discussion/News 01-13-2019, 07:20 PM
Replies: 883
Views: 188,774
Posted By Scott Hersha
Looks like you have it attached at the...

Looks like you have it attached at the flap/aileron joint. Is that what Iím seeing?
Forum: RV-14 01-13-2019, 06:38 PM
Replies: 25
Views: 4,553
Posted By Scott Hersha
You can also slightly ‘ream’ the cowl hinges with...

You can also slightly ‘ream’ the cowl hinges with a modified hinge pin. I did this on my RV6 many years ago, and with my new RV8 and it ended up working very well. Pins went in without much...
Forum: RV General Discussion/News 01-13-2019, 08:19 AM
Replies: 883
Views: 188,774
Posted By Scott Hersha
Steve, I like the looks of your aileron locks and...

Steve,
I like the looks of your aileron locks and think it would do a good job in this application, partly because there isnít a large load on the aileron lock in that location - near the trailing...
Forum: Glass Cockpit 01-13-2019, 07:14 AM
Replies: 34
Views: 3,879
Posted By Scott Hersha
A friend at my airport had the same thing happen...

A friend at my airport had the same thing happen last week, twice. Once in flight, in VMC fortunately, and once again while taxiing in. Just as you described with the G3X touch and GTN 650. ...
Forum: RV General Discussion/News 01-12-2019, 06:27 AM
Replies: 8
Views: 921
Posted By Scott Hersha
Great experimental idea! Single seat wide body...

Great experimental idea! Single seat wide body RV! The biggest challenge on your already built SBS RV seems like it would be modifying the flaps. Once thatís accomplished, you could have a quick...
Forum: RV-3 01-09-2019, 08:13 PM
Replies: 13
Views: 990
Posted By Scott Hersha
Steve, Iíll tell Bruce thereís an interest for...

Steve,
Iíll tell Bruce thereís an interest for some more. Heís sold several and he can spool up the machine to make more if thereís interest, so Iíll connect him to this post and he will get in...
Forum: RV-3 01-09-2019, 07:05 PM
Replies: 13
Views: 990
Posted By Scott Hersha
I agree with JonJ. The RV3 gear looks better, as...

I agree with JonJ. The RV3 gear looks better, as do all engine mount based tapered rod RV taildraggers. Not only that, it is a better system I terms of maintenance and landing manners - in my...
Forum: RV-12/RV-12iS 01-08-2019, 08:17 AM
Replies: 8
Views: 1,469
Posted By Scott Hersha
Bowden cable wire only...

Bowden cable wire only (.65/ft):

https://www.aircraftspruce.com/catalog/appages/stainlesssteel78.php?clickkey=13351

Bowden cable housing and other...
Forum: Propellers 01-08-2019, 08:03 AM
Replies: 8
Views: 1,593
Posted By Scott Hersha
Agree with Gary. Vans price on the blended...

Agree with Gary. Vans price on the blended airfoil Hartzell was $8400 about a year ago. When my (former) partner sat the plane up on its nose and destroyed it on his very first engine start, 16...
Forum: RV-8/8A 01-07-2019, 07:01 AM
Replies: 63
Views: 22,463
Posted By Scott Hersha
Me too please.... Scotthersha@gmail.com

Me too please....

Scotthersha@gmail.com
Forum: RV-10 01-05-2019, 06:15 PM
Replies: 17
Views: 1,077
Posted By Scott Hersha
Hinge in the bottom of my RV6 (2000), camlocks on...

Hinge in the bottom of my RV6 (2000), camlocks on the bottom of my first RV8 (2008, in fact Skybolt camlocks everywhere), screws/nutplates on the bottom of my current RV8 (2018). Bottom line for me:...
Forum: RV-14 01-05-2019, 05:57 PM
Replies: 5
Views: 687
Posted By Scott Hersha
How many clecoes?..... all of them. I had to...

How many clecoes?..... all of them. I had to borrow a few. I built one work bench 10í long, and that worked out fine. Once I had the skeletal structure completed, I made two jigs that held the...
Forum: Traditional Aircraft Engines 01-04-2019, 10:35 AM
Replies: 14
Views: 1,063
Posted By Scott Hersha
I used two heat muffs on my first RV8, but with...

I used two heat muffs on my first RV8, but with slightly different plumbing. I had the two heat muffs plumbed in series, fed from a single scat hose off the back baffle. There was plenty of volume...
Forum: RV Building Tips/Techniques 12-30-2018, 08:02 PM
Replies: 20
Views: 1,688
Posted By Scott Hersha
I would also like a couple of these if they fit...

I would also like a couple of these if they fit the current 114 mags, although I question how much good theyíll do without any data. It seems that the most temperature critical time for emags is...
Forum: RV Building Tips/Techniques 12-29-2018, 06:11 PM
Replies: 7
Views: 606
Posted By Scott Hersha
I like the WD-40 idea. quick, easy, and who...

I like the WD-40 idea. quick, easy, and who doesn't have some WD-40? I didn't know this was possible - now I do, THANKS!
Forum: RV General Discussion/News 12-23-2018, 09:05 PM
Replies: 14
Views: 1,090
Posted By Scott Hersha
Wow. What a complicated procedure just to post a...

Wow. What a complicated procedure just to post a pic. Why don’t you just email the pic to whoever wants to see it....... way way easier....
Forum: RV-4 12-23-2018, 08:51 PM
Replies: 473
Views: 289,487
Posted By Scott Hersha
Axel, Thanks for posting all the updates to your...

Axel,
Thanks for posting all the updates to your RV4. I think you have the perfect setup now for an RV4. I had an RV4 with a carbureted O-320 and a Catto prop that was the nicest flying RV I’ve had...
Forum: My RV Build Project 12-22-2018, 06:58 PM
Replies: 10
Views: 2,698
Posted By Scott Hersha
Iím also with the Prof..... New kit is..... new....

Iím also with the Prof..... New kit is..... new. No mistakes, excellent resale value (which shouldnít be a consideration - but is).
Forum: RV General Discussion/News 12-19-2018, 07:42 PM
Replies: 20
Views: 1,692
Posted By Scott Hersha
Iíve used the Ford tractor industrial gray from...

Iíve used the Ford tractor industrial gray from Tractor Supply and itís pretty good paint for rattle can, but the color isnít very close to the powder coat I got from Vans.
Forum: Fiberglass 12-19-2018, 07:51 AM
Replies: 7
Views: 786
Posted By Scott Hersha
I know a guy here that had a similar problem on...

I know a guy here that had a similar problem on his RV and filled the back side of the forward flange with West System epoxy/fiberglass cloth, then sanded down to his desired dimension. If I did it...
Forum: Painting your RV 12-17-2018, 06:51 PM
Replies: 6
Views: 1,308
Posted By Scott Hersha
I just picked my RV8 up today from GLO Aircraft...

I just picked my RV8 up today from GLO Aircraft Painting near Dallas. $11.5K for three colors, non-metallic. They werenít the cheapest, but they werenít the most expensive either. The highest was...
Forum: Painting your RV 12-17-2018, 06:32 PM
Replies: 14
Views: 1,289
Posted By Scott Hersha
I donít think thereís an aerodynamic advantage to...

I donít think thereís an aerodynamic advantage to matte or satin finish. All three finishes protect the underlying surface. The only question that is relevant after that, is Ďwhat do you likeí? I...
Forum: RV-8/8A 12-16-2018, 01:26 AM
Replies: 21
Views: 4,022
Posted By Scott Hersha
Cost depends on build details. I donít know if...

Cost depends on build details. I donít know if you can get an IFR panel for $15K. I fact, Iím not sure you can get a VFR panel for that if itís glass with ADSB, maybe you can, but things get more...
Forum: RV-10 12-12-2018, 06:11 PM
Replies: 22
Views: 1,976
Posted By Scott Hersha
Mine bowed also. I installed two ribs - fluted...

Mine bowed also. I installed two ribs - fluted to make the curve - on my first RV8 with the fiberglass door. On my current RV8, I made the door out of .063 aluminum and it doesnít bow at all, and...
Forum: RV-7/7A 12-08-2018, 07:12 AM
Replies: 12
Views: 1,338
Posted By Scott Hersha
Iím interested in the answer to this one too. I...

Iím interested in the answer to this one too. I didnít think a low CHT would be bad. My RV8 runs at normal 340-360 in cruise, but the RV4 I used to own ran cool - similar to what you are...
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