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12-18-2018, 09:23 AM
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Join Date: Oct 2014
Location: Cedar Rapids, IA
Posts: 232
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Showplanes tailcone skin
I ran across this today when looking at their cowl, this must be a fairly new thing. I'm well past tailcone construction so not an option for me, and for the price it would be a hard sell. But sure does look nice!
Just out of curiosity, anybody have this?
Factory tailcone:
Showplanes:

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12-18-2018, 09:39 AM
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Join Date: Mar 2018
Location: Ocean City, MD
Posts: 82
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That's pretty interesting. I'm just about to start tailcone construction, so maybe this would be a nice replacement for the aluminum skin, but I'm not sure it's worth it.
I think the one benefit I can see is you can locate your antennas inside the tailcone instead of mounting antennas outside. However, I guess the question to builders that have finished avionics install is, how much benefit is this really?
I'm already planning on hiding archer antennas in the wingtips, and the GPS can go in the cabin if you have an overhead console. The tail fairing is a good place for ELT right now. You have to have mandatory separation between COMM antennas, transponder antennas and ADSB anyways, so it doesn't seem like you'd be able to fit more than two in this area.
__________________
RV-10 - Empennage 95%
QB Fuse - Working
QB Wings - Delivered
San Diego, CA
www.wheelswelded.com
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12-18-2018, 10:03 AM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 4,218
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I think the nicest looking part about the Showplanes kit is the radiused fairing at the bottom of the vertical stabilizer. And that's easy enough to modify from the standard part...
__________________
Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019(?) RV-10
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12-18-2018, 10:13 AM
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Join Date: Oct 2014
Location: Cedar Rapids, IA
Posts: 232
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Quote:
Originally Posted by Kyle Boatright
I think the nicest looking part about the Showplanes kit is the radiused fairing at the bottom of the vertical stabilizer.
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Oh yea I didn't even notice that. I just like the smooth line coming off the rear canopy all the way back to the vertical stab.
The n-number on that plane is N104AL, from Jacksonville OR. I didn't recognize the name of the builder.
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12-18-2018, 10:57 AM
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Join Date: Jun 2010
Location: Sunman, IN
Posts: 2,189
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tailcone
I believe that mod is quite a bit more than just a skin...
__________________
Bob
Aerospace Engineer '88
RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
297 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...
Dues+ Paid 2019,...Thanks DR+
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12-18-2018, 12:36 PM
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Join Date: Aug 2005
Location: Olathe, KS
Posts: 397
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I love the cleaner, more streamlined look of this mod, but just for added time, cost, and complexity I decided not to do this to my current project. I inquired about this to Showplanes and here is the response I received:
Yes it is for sale, p/n is CTS-10 composite RV-10 tailcone skin. The reason you don’t see it on the web site is I have not had a chance to complete an installation manual. The 10 at Synergy had the installation completed here. Price for the complete kit as pictured is $2500.00 with a lead time of 6-8 weeks from order deposit. I hope to have the manual completed in a few months, please let me know if you have questions.
__________________
Brad Brensing
RV-10 Emp/Tailcone - Complete, QB Wings - Building, Fuse - Building
Never judge a man by his trim tabs.
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12-18-2018, 01:14 PM
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Join Date: Jun 2010
Location: Sunman, IN
Posts: 2,189
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fastback
I just spoke with Bryan at showplanes. It is indeed available. I saw the aircraft at Oshkosh awhile back and it looks awesome!
__________________
Bob
Aerospace Engineer '88
RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
297 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...
Dues+ Paid 2019,...Thanks DR+
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12-18-2018, 03:39 PM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,435
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Composite tailcone skin? Interesting.
Since that skin is an integral part of the tailcone stiffness, have they done a flutter clearance with it? There are some flutter modes of vibration that could be affected by that.
Not trying to bash Showplanes - I generally like their products and know them to be very helpful to the community.
Dave
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12-18-2018, 04:31 PM
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Join Date: Jun 2010
Location: Sunman, IN
Posts: 2,189
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flutter
If you are referring to the possibility of the skin of the upper tailcone reaching a divergent vibration mode, it is not just a fiberglass sheet...it has a honeycomb structure much like the cowl. It is likely more rigid than the aluminum skin (with stiffeners) that it is replacing.
...and it certainly has nicer lines!
__________________
Bob
Aerospace Engineer '88
RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
297 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...
Dues+ Paid 2019,...Thanks DR+
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12-18-2018, 05:00 PM
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Join Date: Sep 2006
Location: Douglas Flat, CA
Posts: 589
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Quote:
Originally Posted by rocketman1988
...it is not just a fiberglass sheet...it has a honeycomb structure much like the cowl. It is likely more rigid than the aluminum skin (with stiffeners) that it is replacing...
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Well, maybe.
At issue here is not the panel stiffness (resistance to out of plane loads), but its shear stiffness, for which honeycomb or other sandwich core is pretty much immaterial. As such, the primary drivers of its contribution to fuselage torsional stiffness are the modulus of elasticity of the fiberglass laminates, and the thickness of the layup.
--Bob K.
__________________
Bob Kuykendall
HP-24 kit sailplane
EAA Technical Counselor
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