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Super Cub 91246 Rebuild

I spent the last couple of days in Graham helping Steve work on my airplane. We mounted the engine with the thrust line mod, cut and fit the bottom cowl rails, cut a hole for the Sutton exhaust, and fit the new nose bowl. We decided that a removable exhaust pipe would allow for a smaller hole on the bottom cowl so he cut off the old pipe. We used some of the old cowl pieces for the fittment but those will be replaced with new ones. Once all of the cowl pieces are finished then everything will come off for paint.
 

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Why is the nose bowl slanted back at the bottom and the trailing edge not parallel to the firewall?
 
Looks great, I'm at about the same place. What do you do for the removable exhaust pipe, expand and slip over?

It is an option on the Sutton Exhaust. I am ordering the removable tailpipe for my Sutton Exhaust as well. I got it at Oshkosh but still haven't installed it.
 
bend angle (up) into aluminum floor board edge is simplest and lightest, and keeps the crud contained...

Agree with Mike on alum floor, also provides additional fastening points for interior panels.


Great thread Steve, lots of good info, thanks for sharing.


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Steve, how much of that tailpipe do you have to cut off to get the lower cowl off. Have you figured out how little you can get away with cutting?
 
OK thanks, even taking that into consideration it doesn't look straight. I'm looking at the front push rod tube and the rocker box cover relationship to the nose bowl.
After looking at it again I noticed I did have the bottom of nose bowl too far aft. Good eye Pete. Got it adjusted and my cowl doors built with more material on the lower trailing edge to compensate for the Thrustline modification.

On the right door I started from the hinge and worked down using the old door as a pattern and compensating for the curve and marking the holes for the latches, fitting to the nose bowl lip and then the trailing edge. While talking to Thrustline Mark he told me about starting at the latches and pulling it up to the hinge. I decided to try his method on the left door. I cut out for the latches, installed them with no washers (shims) and started pulling it up, marking the line for the nose bowl and trimmed to fit. Once the door was fit to the nose bowl I marked where the edge of the cowl door hits the hinge on the nose bowl and the boot cowl, pulled the door up tight and duct taped it so I could mark my cut line. Once cut I put the door back on and clamped the door to the hinge with a long padded Vise-grip clamp and drilled one rivet hole through the door and hinge. Then I removed, drilled and riveted the hinge on. The door fits nice and tight on the nose bowl with two washers under the latches. The nice thing about this method is that the over center latches are perfectly aligned making it latch very easily.

This is always a nerve wracking yet rewarding job. I have scrapped a few doors over the years with a lot of work in them. I am very happy with the fit and finish of these. I guess I held my mouth just right. ;)
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I have flying proof that when finished this aircraft will be the second best Super Cub ever produced :lol: and without a doubt it will be well thought out with a fit and finish will be as good as is humanly possible and worth every day it took.

Kirby
 
I have flying proof that when finished this aircraft will be the second best Super Cub ever produced :lol: and without a doubt it will be well thought out with a fit and finish will be as good as is humanly possible and worth every day it took.

Kirby

According to Joe Wood, his is the best Super Cub Steve ever built. :p
 
I made a quick trip out to Graham yesterday to check on the cub. The carbon fiber under seat storage is trimmed up and fitted. The large baggage door is almost finished and turned out great. It’s very light and rigid and will be painted black to match the cockpit door.
 

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I made a quick trip out to Graham yesterday to check on the cub. The carbon fiber under seat storage is trimmed up and fitted. The large baggage door is almost finished and turned out great. It’s very light and rigid and will be painted black to match the cockpit door.





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EDFCB6E0-91BC-4E7E-A47D-3C9099E6499B.jpeg04EC8D44-907E-4128-9E74-B8DDFB5E3CDF.jpeg8106E9B1-8463-4965-AF1E-AEE89B09B6BD.jpegWe’re on the downhill slope now. The fuselage is painted and other bits are rotating through the paint booth while Steve is putting everything back into the fuselage. I decided to keep the 1982 paint scheme but change the color to blue. This particular blue is Miami blue. The only change to the engine is new baffling, new alternator, new starter, and new wiring harness. I did paint the crankcase just to give it a fresh new look.
 

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View attachment 42178View attachment 42177View attachment 42176We’re on the downhill slope now. The fuselage is painted and other bits are rotating through the paint booth while Steve is putting everything back into the fuselage. I decided to keep the 1982 paint scheme but change the color to blue. This particular blue is Miami blue. The only change to the engine is new baffling, new alternator, new starter, and new wiring harness. I did paint the crankcase just to give it a fresh new look.

good for you. It has been a long haul..


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Are you sure that’s Miami blue? Looks closer to Key West blue. Key West blue has a softer and gentler tone. Not judging. Whatever floats your boat is cool with me;-)
 
Are you sure that’s Miami blue? Looks closer to Key West blue. Key West blue has a softer and gentler tone. Not judging. Whatever floats your boat is cool with me;-)
Half way between Miami blue and Key West blue would be Islamorada blue. :p
 
Are you sure that’s Miami blue? Looks closer to Key West blue. Key West blue has a softer and gentler tone. Not judging. Whatever floats your boat is cool with me;-)
Jason definitely wanted to seperate himself from all those outlaw yellow and Montana camo Super Cubs. 8)
 
Well it took a while but 91246 if finally finished. Pierce did a great job, as usual, and it flys perfectly straight. Here are a few pics of the airplane. The inflight pic was taken during my ADSB verification flight, hence the high altitude. :smile:
 

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Well it took a while but 91246 if finally finished. Pierce did a great job, as usual, and it flys perfectly straight. Here are a few pics of the airplane. The inflight pic was taken during my ADSB verification flight, hence the high altitude. :smile:

Very nice. Enjoy your new ride.


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