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Search: Posts Made By: sblack
Forum: RV Building Tips/Techniques Today, 07:42 AM
Replies: 13
Views: 716
Posted By sblack
In this case I would not worry about it. The load...

In this case I would not worry about it. The load is carried though the attachment of the skin to the rib. Those 2 rivets are there to hold the rib in place for assembly. And Iím not just giving a...
Forum: VAF Classifieds (posts in here deleted after 30 days) 08-05-2022, 05:25 PM
Replies: 8
Views: 1,071
Posted By sblack
Just out of curiosity, why were such low time...

Just out of curiosity, why were such low time cylinders replaced due to a prop strike?
Forum: RV General Discussion/News 08-03-2022, 07:33 AM
Replies: 0
Views: 197
Posted By sblack
Interior canopy trim

Iím looking for some sort of rubber trim that I can use to cover the joint between the inside of the canopy and the frame. The rv4 canopy is so small that it is hard to get access to do a really...
Forum: RV-15 07-30-2022, 10:35 AM
Replies: 437
Views: 88,221
Posted By sblack
Vtol while you’re at it. Seriously people, every...

Vtol while you’re at it.

Seriously people, every goodie you add costs something. Making it aerobatic at the cost of useful load for a back country utility airplane makes no sense.
Forum: Painting your RV 07-29-2022, 12:42 PM
Replies: 17
Views: 1,397
Posted By sblack
I will go the Vlad route - I will fly and paint...

I will go the Vlad route - I will fly and paint it ďsome dayĒ. He has how many 1000 hrs on his? Some day must be really soon!
Forum: RV-15 07-29-2022, 12:37 PM
Replies: 437
Views: 88,221
Posted By sblack
Yes it makes no sense to compare cert with exp. I...

Yes it makes no sense to compare cert with exp. I will never own a certified airplane. And there are a lot of pilots ,perhaps most, who would never build or own an experimental - many think they are...
Forum: RV-7/7A 07-28-2022, 09:23 PM
Replies: 12
Views: 719
Posted By sblack
So ďfull trimĒ is controllable IF you limit your...

So ďfull trimĒ is controllable IF you limit your trim travel to what is required or recommended (not sure which). So thatís a good argument for finding out how juch you need and then adjusting your...
Forum: RV-15 07-28-2022, 11:35 AM
Replies: 5
Views: 1,970
Posted By sblack
Thank you!

Thank you!
Forum: RV-15 07-27-2022, 06:53 PM
Replies: 5
Views: 1,970
Posted By sblack
Same hereÖ.☹️

Same hereÖ.☹️
Forum: RV-15 07-26-2022, 05:11 PM
Replies: 437
Views: 88,221
Posted By sblack
This is no kitfox. 2000 lb gross and 140 kts and...

This is no kitfox. 2000 lb gross and 140 kts and massive cargo area. This is much closer to the Glasair Sportsman.
Forum: RV-15 07-26-2022, 07:32 AM
Replies: 437
Views: 88,221
Posted By sblack
Is the forum being streamed this morning?

Is the forum being streamed this morning?
Forum: Midwest 07-26-2022, 06:48 AM
Replies: 111
Views: 30,409
Posted By sblack
Anyone know if the Vans theatre in the woods...

Anyone know if the Vans theatre in the woods program is available to watch somewhere?
Forum: Midwest 07-26-2022, 06:36 AM
Replies: 111
Views: 30,409
Posted By sblack
That would be parasite drag, not induced drag,...

That would be parasite drag, not induced drag, but yes, drag can be beneficial for steep approaches. However in this case with fowler flaps going to 55 deg having enough drag should not be a problem....
Forum: RV-15 07-25-2022, 10:38 PM
Replies: 437
Views: 88,221
Posted By sblack
I donít think itís a gurney flap. It sticks out...

I donít think itís a gurney flap. It sticks out of the top and bottom equally. I think it is what we called a bead at Learjet and it is there to increase hinge moments to either increase stick force...
Forum: RV-15 07-25-2022, 01:43 PM
Replies: 437
Views: 88,221
Posted By sblack
So after reading Paul Dyeís article I see that it...

So after reading Paul Dyeís article I see that it is a bigger airplane than i imagined at 35 ft span. It is squarely in the 2+2 category. A bit over 2000 lbs gross weight. Interesting to see 3d...
Forum: Midwest 07-25-2022, 12:41 AM
Replies: 111
Views: 30,409
Posted By sblack
You do remember that you gotta build it right?

You do remember that you gotta build it right?
Forum: RV-15 07-21-2022, 05:06 AM
Replies: 437
Views: 88,221
Posted By sblack
Yes it will be less convenient, but everyone who...

Yes it will be less convenient, but everyone who learned to fly on a 150 or 172 has done it. So I wouldnít say itís a big drawback. Also you donít need a fuel pump if you are not injected. Pros and...
Forum: RV-15 07-20-2022, 05:53 AM
Replies: 437
Views: 88,221
Posted By sblack
You do remember that you gotta build it right? 😜

You do remember that you gotta build it right? 😜
Forum: RV-15 07-18-2022, 11:12 AM
Replies: 437
Views: 88,221
Posted By sblack
Btw I priced some carbon cubs today for fun. When...

Btw I priced some carbon cubs today for fun. When I regained consciousnessÖ. One of them was $399k, slightly used. So considering carbon cubs and rv15s to be in the same market segment seems a bit...
Forum: RV-15 07-18-2022, 11:09 AM
Replies: 437
Views: 88,221
Posted By sblack
Ok high 30s is quite different than 30. At that...

Ok high 30s is quite different than 30. At that speed range each mph of stall speed reduction is really hard to get. But having said that high 30s to 170 is damned impressive. I didnít know it was...
Forum: RV-15 07-18-2022, 11:07 AM
Replies: 437
Views: 88,221
Posted By sblack
I donít think so, not without severe compromises....

I donít think so, not without severe compromises. A 4 place needs a big engine (usually 6 cyl) and a bunch more wing area. You have to start from scratch. Compare the specs of a 7 vs a 10. Bearhawk...
Forum: RV-15 07-18-2022, 08:12 AM
Replies: 437
Views: 88,221
Posted By sblack
Iím sure there are people who REALLY want that....

Iím sure there are people who REALLY want that. But how many? How big of a market is there for a $250k+ airplane vs a 2 seater that performs well that you can get into the air for half that. Itís a...
Forum: RV-15 07-18-2022, 08:07 AM
Replies: 437
Views: 88,221
Posted By sblack
Stalling at 30 and going 170 would be amazing,...

Stalling at 30 and going 170 would be amazing, but next to impossible. Stalling at 40 and going 150 would still be better than anything else out there.
Forum: RV-15 07-17-2022, 11:13 AM
Replies: 437
Views: 88,221
Posted By sblack
And I think thatís the right answer. It has to be...

And I think thatís the right answer. It has to be different than the others somehow or what is the point. The hardest part of designing an airplane to sell is figuring out what the market will...
Forum: RV-15 07-13-2022, 09:05 AM
Replies: 437
Views: 88,221
Posted By sblack
With all the supply chain issues that everyone is...

With all the supply chain issues that everyone is having and with the current high demand for existing vans kits, I wonder how they will cope with a massive wave of rv15 kit orders? I hope someone...
Forum: RV-15 07-13-2022, 08:57 AM
Replies: 437
Views: 88,221
Posted By sblack
Totally on board with your comments. Regarding...

Totally on board with your comments. Regarding cowlings, I had 2 RVs renting hangar space from me and I was always helping them install their cowlings with the long piano wires. PITA on the tail...
Forum: RV-15 07-12-2022, 08:23 AM
Replies: 437
Views: 88,221
Posted By sblack
Yes it is. Itís also VTOL and supersonic

Yes it is. Itís also VTOL and supersonic
Forum: RV-15 07-11-2022, 09:10 AM
Replies: 437
Views: 88,221
Posted By sblack
The sportsman and glastar have horrible aileron...

The sportsman and glastar have horrible aileron friction. Iíve flown one. I have made a point of wiggling the ailerons (with ownerís permission of course) on every one I see. They have high roll...
Forum: RV-15 07-11-2022, 09:00 AM
Replies: 437
Views: 88,221
Posted By sblack
Iím SURE they will have fairings on them for drag...

Iím SURE they will have fairings on them for drag reduction.
Forum: RV-15 07-11-2022, 06:55 AM
Replies: 437
Views: 88,221
Posted By sblack
Well said. The vast majority of builders donít...

Well said. The vast majority of builders donít need to win stol drags or land on sand bars. We want to haul gear, get to where we are going and get in and out of a reasonably tight strip. Thatís how...
Forum: RV-15 07-11-2022, 06:46 AM
Replies: 437
Views: 88,221
Posted By sblack
I expect the production version will have...

I expect the production version will have fairings on those tracks. Test aircraft are always a bit rough
Forum: RV-15 07-11-2022, 06:45 AM
Replies: 437
Views: 88,221
Posted By sblack
It looks to me like it will be stol enough, but...

It looks to me like it will be stol enough, but it will kick the **** out of those aircraft in cruise, which to me makes way more sense.
Forum: RV-15 07-11-2022, 06:40 AM
Replies: 437
Views: 88,221
Posted By sblack
Bush planes are functional. They are meant to be...

Bush planes are functional. They are meant to be tough, useful, carry a big load, land short. And being a homebuilt it has to be easy to build. What part of that do you want to sacrifice so that it...
Forum: RV-15 07-11-2022, 06:29 AM
Replies: 437
Views: 88,221
Posted By sblack
There isnít enough meat in the overhead structure...

There isnít enough meat in the overhead structure for a cantilever carry through. Thatís why all bush planes have struts. The weight penalty for a cantilever wing would be substantial. Bush planes...
Forum: RV General Discussion/News 06-30-2022, 09:45 AM
Replies: 15
Views: 2,675
Posted By sblack
It ainít broke and doesnít need fixing

It ainít broke and doesnít need fixing
Forum: Traditional Aircraft Engines 06-20-2022, 09:14 PM
Replies: 19
Views: 1,486
Posted By sblack
I think the continued availability of 100LL...

I think the continued availability of 100LL should be an important consideration
Forum: RV-4 06-16-2022, 09:28 AM
Replies: 12
Views: 1,132
Posted By sblack
I just did up those bolts yesterday and I believe...

I just did up those bolts yesterday and I believe you are correct.
Forum: RV-4 06-15-2022, 07:56 PM
Replies: 12
Views: 1,132
Posted By sblack
I plan to use stainless the same thickness as the...

I plan to use stainless the same thickness as the other harness hardware (since I have no plating capability) and I will polish it. Just gotta figure out where to bolt it. I really don’t see any...
Forum: RV-4 06-15-2022, 05:29 PM
Replies: 12
Views: 1,132
Posted By sblack
Pickup for crotch strap

Do you guys put the crotch strap pickup point on the front of the spar or the aft side of the spar. Also, is there any place for a crotch strap attachment in the back? Itís not obvious to me, but I...
Forum: RV-4 06-15-2022, 09:57 AM
Replies: 5
Views: 815
Posted By sblack
5702-75-060 washer

My rv4 plans call out 5702-75-060 washers next to the spherical rod end bearings on the elevator pushrods. I donít see these on the Spruce sight. I canít find anything on google that tells me...
Forum: Traditional Aircraft Engines 06-13-2022, 06:12 AM
Replies: 20
Views: 3,243
Posted By sblack
I donít see a top overhaul as a major change....

I donít see a top overhaul as a major change. Itís just maintenance.
Forum: RV-8/8A 05-30-2022, 01:55 PM
Replies: 30
Views: 5,227
Posted By sblack
This isnít flutter. Itís buffeting. If it was...

This isnít flutter. Itís buffeting. If it was flutter he would either no longer be with us or he would be busy laundering his shorts and no way he would fly the airplane again. Nobody gets flutter...
Forum: RV General Discussion/News 05-30-2022, 07:54 AM
Replies: 9
Views: 983
Posted By sblack
Vx and Vy speeds will be different for every...

Vx and Vy speeds will be different for every engine/prop combination. They are not simply a function of aircraft aerodynamics. If you have a fixed pitch climb prop and you go to a cruise prop you...
Forum: RV-8/8A 05-26-2022, 05:10 PM
Replies: 30
Views: 5,227
Posted By sblack
My understanding was that some prestall buffet on...

My understanding was that some prestall buffet on the 8 came from the wing LE to fuselage intersection fairing and or the gear fairing. Haven’t some people installed strange little vortilon gizmos...
Forum: RV Ongoing Maintenance Issues 05-25-2022, 08:19 PM
Replies: 16
Views: 1,705
Posted By sblack
Nothing stops you from spending an hour drilling...

Nothing stops you from spending an hour drilling out rivets to see how you do, then making the decision based on an inspection of the parts.
Forum: Safety 04-14-2022, 08:44 PM
Replies: 8
Views: 1,044
Posted By sblack
Have you had any training for landing without...

Have you had any training for landing without asi? I was fortunate enough to have an instructor that made me do it before I soloed. Itís actually pretty easy. I could uncover the asi on short final...
Forum: RV-8/8A 04-13-2022, 06:30 AM
Replies: 14
Views: 1,540
Posted By sblack
Van designed the stick, pushrods and bellcranks...

Van designed the stick, pushrods and bellcranks to provide a specific relationship between stick force and aircraft response. Lengthening the stick will change that. Do you understand what that...
Forum: RV General Discussion/News 03-28-2022, 08:52 AM
Replies: 1
Views: 572
Posted By sblack
3d printed stick grip

Anyone have a CAD file for a stick grip?
Forum: RV General Discussion/News 03-28-2022, 07:39 AM
Replies: 76
Views: 7,895
Posted By sblack
Tailwheel airplanes are a blast to fly. They...

Tailwheel airplanes are a blast to fly. They require more skill and are intolerant of sloppy flying so they demand a higher level of proficiency. Interestingly, it takes about the same time to learn...
Forum: Electrical Systems 03-26-2022, 01:19 PM
Replies: 25
Views: 4,261
Posted By sblack
+1 for that crimper. I also solder more to seal...

+1 for that crimper. I also solder more to seal it than anything else, making sure the solder does leach up the cable affecting its flexibility. I put just enough to seal the terminal. Might be over...
Forum: RV Building Tips/Techniques 03-26-2022, 10:56 AM
Replies: 15
Views: 2,307
Posted By sblack
The amount if weight required will vary with...

The amount if weight required will vary with paint weight so there is not set amount you can recommend. You add enough weight to balance.

One could mix lead shot with epoxy to fill the holes. One...
Forum: RV Ongoing Maintenance Issues 03-20-2022, 01:26 PM
Replies: 32
Views: 5,020
Posted By sblack
I think if you remove the tank there might be...

I think if you remove the tank there might be enough access from the inboard end of that LE section that a paintless dent repair technician can get that dent out to 95% or better so you can keep...
Forum: RV General Discussion/News 03-20-2022, 01:17 PM
Replies: 60
Views: 8,957
Posted By sblack
If you consider that from ground level to some...

If you consider that from ground level to some arbitrary altitude that is considered safe for a turn back, whatever it is, you translate through that altitude faster with 0 flap at Vy because you...
Forum: Glass Cockpit 03-16-2022, 06:44 PM
Replies: 4
Views: 670
Posted By sblack
I have had their EM1 engine monitor and their...

I have had their EM1 engine monitor and their fuel totalizer since 2011 - earlier monochrome versions and they have been flawless
Forum: RV Ongoing Maintenance Issues 03-13-2022, 11:08 PM
Replies: 19
Views: 1,868
Posted By sblack
I have the digital equivalent of a hobbs and...

I have the digital equivalent of a hobbs and since that data will always be vulnerable I put the reading in my logbook entry in the comment section after each flight. That way if there is ever a...
Forum: Electrical Systems 03-10-2022, 08:13 PM
Replies: 59
Views: 11,181
Posted By sblack
A friend bought an rv7 that had the electronic...

A friend bought an rv7 that had the electronic ignition wired through the vpx. His instructor was fiddling with the vpx, seeing how it worked while on downwind and he managed to to turn it off and...
Forum: RV Building Tips/Techniques 02-26-2022, 05:10 PM
Replies: 28
Views: 3,401
Posted By sblack
Obviously anyone who has a nosewheel doesnít...

Obviously anyone who has a nosewheel doesnít really care much about drag

(Grenade thrown, crouching in foxhole)
Forum: RV Building Tips/Techniques 02-25-2022, 05:40 PM
Replies: 5
Views: 838
Posted By sblack
Didnít someone here mold in some silicone skirts...

Didnít someone here mold in some silicone skirts to close up the gap between the wheel pant and tire?
Forum: Electrical Systems 02-18-2022, 10:02 PM
Replies: 59
Views: 11,181
Posted By sblack
For the benefit of those of us not familiar with...

For the benefit of those of us not familiar with the garmin diagrams, what do the various numbers represent?
Forum: Canada 02-18-2022, 09:59 PM
Replies: 41
Views: 4,178
Posted By sblack
You will be able to fly into uncontrolled...

You will be able to fly into uncontrolled airspace.
Forum: Safety 02-10-2022, 02:44 PM
Replies: 68
Views: 32,835
Posted By sblack
Flutter is not always catastrophic. I know of...

Flutter is not always catastrophic. I know of several instances of it that were not catastrophic to pilot undergarments. This case sounds like a much lower frequency event so likely not flutter.

I...
Forum: Glass Cockpit 02-10-2022, 02:40 PM
Replies: 14
Views: 1,519
Posted By sblack
I have been 7 yrs completing the project that I...

I have been 7 yrs completing the project that I bought. I thought it would take 2. In that time avionics has changed a lot. If I were starting from a new kit I would not order anything until I had...
Forum: RV-4 02-10-2022, 02:36 PM
Replies: 15
Views: 3,270
Posted By sblack
Great to have these resources. Iím sure Russ has...

Great to have these resources. Iím sure Russ has seen many of these. I have a friend who had a 6 based out of a pretty rough ww2 training airfield. The pavement dated to 1940. He had this happen...
Forum: Places To Fly...Things to See...Things to Eat 02-06-2022, 07:32 PM
Replies: 27
Views: 7,679
Posted By sblack
What facebook page would one find updates on?

What facebook page would one find updates on?
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