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Thread: Worst day at work ever

  1. #41
    DJ's Avatar
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    Oh wow thanks Bill. That is solved then.

    Sent from my SM-G965U1 using SuperCub.Org mobile app
    The heavens declare the glory of God; the skies proclaim the work of His hands. Psalms 19:1

  2. #42
    aktango58's Avatar
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    How exciting!!!

    As you well know, ounces make pounds, pounds degrade performance.

    Even though you say you will be working low altitude, trees get really tall and scary when you are not climbing very fast and they are getting closer!! (remember wind above the trees may not be felt on the ground, and if it is a tailwind will keep you from climbing with any speed).

    That said, I would be going Oratex just for weight and repair reasons.

    I would use thin washers and bolts just long enough to be legal.

    I would be very carful on adding weight.

    Keller flaps and slats are impressive. I will submit that combination made the difference in walking away and not. Being in control at 25 touching the ground is a game changer when things go bad.

    Steve's Gascolator, good shoulder harnesses and belts to the frame.

    Have you considered doing a week seminar on building a cub, or installing Oratex where you get a bunch of us together this fall and we 'train' on putting a cub together using your project?

    Might be a great time, and get your project further along.

    George
    I don't know where you've been me lad, but I see you won first Prize!
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  3. #43
    DJ's Avatar
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    I AM looking for volunteers to help put this together! We will be starting in early August as soon as we get the fuselage from Alaska. Working out of a friend's hangar at KLFT (Lafayette, Georgia). The goal is to get the fuselage as close to done as possible in two months under the watchful eye of Charlie Aileron. Firewall forward will happen in Bolivia. If we can locate a loaner O-360 to hang on the mount we will try to get the cowlings built as well. Web is building the panel. If anyone with Cub building experience wants to swing by and help they are more than welcome. I had a young guy scheduled to help me full time but he just got engaged and the the wedding is in August so I'm on my own again.

    We are getting the frame without powder coat so we can add any necessary tabs, stringers and maybe a lower baggage door.

    I have the Steve's gascolator and shoulder harnesses to re-use.

    As to weight, the goal is to stay under 1200 lbs on 35s. We will find out if that is possible.

    Our game plan to get there is this:

    Catto 86/38
    Parallel Valve O-360 on Conical mount
    Lightened ring gear
    Carbon fiber nose bowl
    EarthX
    B&C 8 amp
    Slick mags
    Vetterman exhaust
    Javron gear with Acmes,
    Experimental 35s on Greg Miller Wheels
    Simple panel (G5, engine monitor, Airspeed, Oil T/P, Ipad)
    Becker radio and transponder
    1/2 skylight, no L-21 greenhouse
    No headliner
    No upper baggage
    Fixed pilot seat
    Early Cessna style copilot seat
    Light minimum seat Cushions
    Single controls
    Carbon concepts rear seat
    Round tip Javron wings with 18 gal tanks
    Stock flaps (probably)

    We probably need more weight savings to hit the goal of 1200 lbs.

    Anyone have data on weight savings from:

    Oratex
    Floorboards (Carbon fiber, Aluminum, wood)
    Javron Aluminum struts versus Steel HD sealed struts.
    The heavens declare the glory of God; the skies proclaim the work of His hands. Psalms 19:1
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  4. #44

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    You should easily hit that weight. Go willow mountain for sure. I did a airframes willow mt. frame- l-21 glass, o-320, borer, pod, cert. 35’s and standard wheels, 6” gear, stock struts, two bag. doors, normal amenities, basic panel, square wings: 1204lbs. Check airframes Alu struts vs Javron- iirc, Javron’s are heavier. Airframes save about 12lbs over steel. Lose the oratex unless you want to reglue tapes for the life of your cover job... edit: sorry I just saw the fact that you’re going four-place- cool! Tons of room and they fly like a cub! And I still bet you hit <1200😄
    Last edited by ak49flyer; 04-21-2022 at 10:47 PM.

  5. #45
    DJ's Avatar
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    The 4 place has the lowered floor incorporated I believe. I guess I'd be a little nervous taking the Airframes aluminum struts to 2300 lbs. And it's a lot of money to save 12 lbs.
    The Cub was 1145 on 35s with Piper wings stock tanks and thin Polytone. The 4 place frame is probably 50 lbs heavier. Plus extra windshield, floorboards, seats, heavier wings, bigger tail. Firewall forward will be the same but I'm not sure where I'll save the extra weight.

    Sent from my SM-G965U1 using SuperCub.Org mobile app
    The heavens declare the glory of God; the skies proclaim the work of His hands. Psalms 19:1

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