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Upper firewall flange SNX-F17-03
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Upper firewall flange SNX-F17-03
by Darick » Fri Jul 24, 2015 12:34 pm
Started to work on this part and read many threads about changing/adjusting the flutes so the holes In the windshield strap have a flat area for the rivets to mate to. I haven't tried it yet, but it seems going this route would be very difficult. What about just making tabs by cutting the flutes? That way there would be a nice flat area and not a rippled/bent/ugly area for the southco's and rivets.
Fuselage former #5 is a good example of doing it this way.
Thoughts?
Fuselage former #5 is a good example of doing it this way.
Thoughts?
Darick Gundy
Sonex #1646
N417DG
Taildragger, Aerovee, center stick, Prince P-Tip Prop
MGL E1, F2, V6 radio, Sandia Xponder, Reserve lift indicator (AOA), iFly 520
First flight! 10/21/2017
Sonex #1646
N417DG
Taildragger, Aerovee, center stick, Prince P-Tip Prop
MGL E1, F2, V6 radio, Sandia Xponder, Reserve lift indicator (AOA), iFly 520
First flight! 10/21/2017
-
Darick - Posts: 496
- Joined: Mon Aug 05, 2013 9:39 pm
- Location: PA
Re: Upper firewall flange SNX-F17-03
by Bryan Cotton » Fri Jul 24, 2015 1:21 pm
Darick,
The minus of the tabs is it is easier for the fire to get through. I did tabs on my hummelbird and wish I didn't. Tweaking the flutes is not bad.
The minus of the tabs is it is easier for the fire to get through. I did tabs on my hummelbird and wish I didn't. Tweaking the flutes is not bad.
Last edited by Bryan Cotton on Fri Jul 24, 2015 2:49 pm, edited 1 time in total.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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Bryan Cotton - Posts: 5496
- Joined: Mon Jul 01, 2013 9:54 pm
- Location: C77
Re: Upper firewall flange SNX-F17-03
by Rynoth » Fri Jul 24, 2015 2:31 pm
The SS firewall bends WAY easier than it cuts. That said, if you do cuts you can always fill with RTV just like all the other gaping holes around the edge of the firewall.
Ryan Roth
N197RR - Waiex #197 (Turbo Aerovee Taildragger)
Knoxville, TN (Hangar at KRKW)
My project blog: http://www.rynoth.com/wordpress/waiex/
Time-lapse video of my build: https://www.youtube.com/watch?v=Q8QTd2HoyAM
N197RR - Waiex #197 (Turbo Aerovee Taildragger)
Knoxville, TN (Hangar at KRKW)
My project blog: http://www.rynoth.com/wordpress/waiex/
Time-lapse video of my build: https://www.youtube.com/watch?v=Q8QTd2HoyAM
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Rynoth - Posts: 1308
- Joined: Fri Jul 26, 2013 1:32 pm
- Location: Knoxville, TN
Re: Upper firewall flange SNX-F17-03
by DCASonex » Sat Jul 25, 2015 8:46 am
After fiddling with this part for way too long trying to move flutes, I simply marked where I wanted flutes, then stood the part on edge and pounded out all the flutes turning the part into a big banana, then put in flutes were wanted. SS stands up to this treatment well, but do not use same on 6061-T6.
David A.
David A.
- DCASonex
- Posts: 935
- Joined: Mon Sep 12, 2011 8:04 pm
- Location: Western NY USA
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