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BEARHAWK ~ Riveting the Wing Skins
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- Опубліковано 23 жов 2020
- BEARHAWK - Usually a 2 man job, I was able to contort myself and buck the wing skin rivets myself. I don't recommend anyone doing it this was. Find an experienced rivet bucking helper.
This video series covers my progress building (and eventually flying) the Bearhawk 4 Place. See my "About This Channel" here: • BEARHAWK ~ About this ...
This aircraft is powered by the Lycoming Thunderbolt YIO-540-EXP. www.lycoming.com/engines/thun...
Check out more information on all the Bearhawk Models here: bearhawkcanada.ca/ & bearhawkaircraft.com/
I am logging the details of my build project here: bearhawk4place.blogspot.com/
Instagram: @bearhawklife/
FaceBook: @bearhawklife
Music for my videos by Epidemic Sound: www.epidemicsound.com/referra...
BEARHAWK LIFE DISCLAIMER:
I am a 900+ hour pilot with various ratings including instrument, commercial, multi-engine instrument, CFI, CFII. Those ratings were obtained YEARS ago and do not suggest that I am an expert today. The purpose of these videos is to 1) share my experience building an experimental amateur built aircraft, 2) promote the most underrated, under-promoted Bearhawk back country utility taildragger aircraft in the world. Recording the building and flying help me with self analysis for my own personal improvement. Nothing in these videos should be taken as absolute fact and are not intended to replace professional guidance from a A&P, IA or a CFI... Feedback is invited; however please keep it positive.
Rob Caldwell
So satisfying see you on high speed camera fitting all those rivets... Greetings from Spain
Welcome! Thank you!
As an experienced certificatedairframe and powerplant mechanic of twenty one years I can also tell you using a smaller diameter flush die with a rubber guard also helps improve your rivet setting. The smaller die concentrates the force on the rivet making it easier to drive. Also using a nice heavy tungsten bar improves it even more.
Good points! Yes, the tungsten bar works great!
Great job and great video!! 👍👍 I am so excited to see you get the wings together, painted and on your plane. I have 2 friends that have built Bearhawks in Oregon, in the same shop at the same time. They fly all the time together. They are never in the same plane though, they have to fly their own planes! Can’t wait to see you flying your dream!!
That is awesome! Thanks so much! And thanks for watching!
great information about the pressure for the rivet gun!!!
The swivel on the rivet gun was the coolest takeaway from this video. If you've run many rivers it's easy to how that would save a world of problems.
Yes! It is a MUST HAVE!
@@TheBaldPilot where did you get that swiveling head at? Also, did you run a cross over vent line from one wing to the other? What is the PVC Pipe in there for?
@@justindyster7073 aircraft-tool.com/shop/search.aspx?keyword=swivel for the swivel. I did not cross vent my tanks. The white pipe you see is PEX and is used as conduit for wiring, and to fish wires as needed.
Nice mate! I did all of the riveting on Frankenstein solo too. Make a plan and take your time. Tungsten dollys are the best, nice and heavy. A little bit of masking tape on the rivet head helps hold the rivet in place before riveting, and it protects the head a bit. Good stuff
Thanks for the tips, Don!
Good Saturday Morning! great information.
Morning! Thanks for Watching!
So THATS how those rivet guns work, pretty cool . . .
Great job. So many people doesn't have the ability to understand what they need to do in order for them to get a proper job
Yeah, I should have shown one of the actual rivets too! Hopefully the idea was conveyed.
Thanks, Earl!
One other option for those few rivets you just can't reach is to use a Cherry Max substitute. They make a series that fits a 3/32 countersunk dimple. I built a standard RV-8 kit and used some in areas where my old back just wouldn't cooperate.
Great idea!
Very interesting video ... the Bearhawk factory wing is a thing of beauty... your rivets are baby bottom smooth... Well done sir...you’re in the league of those RV Oshkosh show masters....when things get to normal ... take it to Oshkosh ...it’s a show plane
Many thanks!
glad I watched! all good tips. Great work and beautiful plane.
Thanks so much! Glad it helped.
@@TheBaldPilot I too have long arms...it's a blessing, and a curse.
Learned a lot, esp lowering air pressure to 25 psi, and the swivel head having some leeway. Gives me a bit more confidence and doesn’t seem as intimidating. Maybe you make it easier than what it really is. Soon will find out. Thanks for sharing.
Glad it helped
Never seen this type of riveting before. I had to rivet a metal flap to keep my gas tank from moving on my car when I replaced the sending unit, and that rivet tool had two handles on it like a bolt 🔩 cutter... 🤔🧐 This is awesome to watch.
What you are referring to is a Pop Rivet gun. Sometimes called "pull rivets" or "blind rivets". The method I am showing is usually aviation specific. In this case, we are installing solid aluminum rivets where one end is hammered, and the other end is "bucked" with a piece of tungsten.
@@TheBaldPilot Thank 🙏🏻 you for the video. It's fascinating.
Very Nice Job
I've gotten use to full power and just walking into it. Though my background is from the commercial side of riveting. Using 3x and 4x guns and heavy steel bunking bars.
Awesome! Thanks!
Nicely done, great video! Any recommendation for work like this in the Elkin, NC area? I have a plane with damage on the leading edge and I haven't been able to fly because of the damage. Please let me know.
I apologize for the late reply. I do not know anyone that does this type of work nearby.
the only smiley was on your face!!! LOL
HA! Yes!
Transported an experimental on a trailer, rubbed some wings, need to reskin, if you are ever in nor-cal and feel like demonstrating live how to rivet @me, ty for video
It's not that hard. Practice on some scraps first. You'll get it in no time.
Thank you for sharing and excellent job on the rivets too. What did you use to prime with?
Thank you! I used Stewarts Systems Eco Prime.
Interesting demonstration. I was wondering how the wing skins were riveted on. What size rivet are you using? The one thing you have to worry about using many light taps is work hardening the rivet and not getting a full set.Been there, done that. Seems like more than 4 or 5 hits and the rivets get too hard to set any more if a proper shop head hasn't been achieved.
3-3.5 or 3-4 depending on the location. Thanks for watching!
@@TheBaldPilot OK, #3s would be no problem with a 3x at 25lbs, I set a lot of them with a 2x when I rebuilt my cub, #5s don't work so well with a 2x.
Nice job on the build. I'd be interested in building a BearHawk, but I got kind of burned out after the cub, and I have too many other things to finish that got neglected while I built it.
@@psgflier Yeah I know what you mean. I think I hit burn out right as I am so close to final assembly! LOL
@@TheBaldPilot Building the wings, fuselage, etc, you see immediate progress, things are coming together. When you get to the finish all the little details seem to be never ending and you don't see much change for the effort and time.
You're looking good, and when it's flying you'll forget how much work it was, and the admiring comments will help you overlook all the flaws that only you can see but drive you nuts.
@@psgflier All very true!
Here we are watching you test fly your airplane.😬
It's hard to believe! 😀
bet you would make a great CFI
LOL Thanks! I received my CFI and CFII ratings back in 1990. Haven't instructed in years! Don't have any plans to do so again.
What matrrial you using for the skin?
That is 2024 Aluminum. Thanks for watching!
no minor dents? even if not 90 degrees? i cant see dents, pretty awesome sir, that rubber makes quality
Yes and air pressure setting at 25lbs at the gun helps too!
Can you share the details of the rivet gun you're using?
I used this one in the 3X version. www.aircraftspruce.com/catalog/topages/rivetset737.php
May you share what is the specifications of wing skin please?
I'm not the designer. I'm just the builder.
@@TheBaldPilot great work as always!
No one help .. go do my self
Thanks for watching!