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  1. #126

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    RE: AR-6 Construction Thread

    The completed model weighed in about 2 ounces over the minimum.
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  2. #127

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    RE: AR-6 Construction Thread

    The AR-6 is now complete and ready for the test flights.

    Many thanks to Lee Lavalley, Kevin Matney, Gary James, and others that helped make this come together![8D]
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  3. #128
    diggs_74's Avatar
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    RE: AR-6 Construction Thread

    Looks great Scott.. Can't wait to hear how it flies..

    Thanks for all the work you did on the build thread, very good info..
    Lee LaValley
    NMPRA# 33w
    www.ncplracing.org

    \"To finish first, one must first finish.....\"

  4. #129

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    RE: AR-6 Construction Thread

    In the following pictures Lee's prototype fuselage got a new motor mount, wing, and horizontal tail surface.
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  5. #130

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    RE: AR-6 Construction Thread

    The surface of the fuselage was washed with Dawn dish soap to remove traces of engine oil. The fuselage was then sanded with 220 grit sandpaper. The fuselage was cleaned with a dry cloth.


    White KlassKote epoxy primer was sprayed on the surface of the model.
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  6. #131

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    RE: AR-6 Construction Thread

    The primed surface was lightly sanded and cleaned.

    This model was painted with acrylic enamel (Speed Yellow) paint and set out of the way to dry.
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  7. #132

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    RE: AR-6 Construction Thread

    Below are pictures showing after the black trim (Krylon) was applied.

    Wet sanding was next.

    Wait a couple days for the Krylon to dry before spraying clear coat on.
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  8. #133

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    RE: AR-6 Construction Thread

    looks fast!
    Out of all the places we could be, this is one of them.

  9. #134

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    RE: AR-6 Construction Thread

    The following pictures show the model with more lettering.

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  10. #135

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    RE: AR-6 Construction Thread

    Clear coat was applied to the fuselage in these pictures.

    It was 40F outside and the cold temperatures make it difficult to apply the clear coat without running.

    I mixed the clear coat per the directions and then added about 1/3 the volume of fast reducer.

    A light mist was applied to the surface and then the model was set out of the way for about 10 minutes to dry.

    Several more light coats were applied until the surface had a uniform luster, indicating it had covered the paint.

    It was then set out of the way to dry.

    The small spray gun worked well, considering the conditions. It is normally available at Harbor Freight at around $15.
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  11. #136
    PylonDave's Avatar
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    RE: AR-6 Construction Thread

    Hey can't wait to see these birds in person!!!

  12. #137

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    RE: AR-6 Construction Thread

    Scott,
    Looking good
    How many planes you bringing to the Basin?
    You have an entire team there.
    Race101
    YS Engines
    Team JR AMERICAS
    Waymire Decaling

  13. #138

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    RE: AR-6 Construction Thread

    I'll bring 3 racers to the Basin:

    One AJ-2 and two AR-6.

    I hope to see you in others in a few days. Have a safe trip!

  14. #139

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    RE: AR-6 Construction Thread

    The yellow Endeavor is now clear coated and polished.

    Next is re-installing the radio, engine, and landing gear.

    The other two models (AJ-2 and AR-6) have been test flown. The Endeavor will be tested in California.
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  15. #140

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    RE: AR-6 Construction Thread

    wow on the carpet inside the house Scott?
    I could never get away with that!!
    Race101
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    Team JR AMERICAS
    Waymire Decaling

  16. #141

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    RE: AR-6 Construction Thread

    The model was finished last night.

    Now is the fun part, loading.

    I should be on the road shortly.
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  17. #142

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    RE: AR-6 Construction Thread

    safe travels, Scott - have fun!
    Out of all the places we could be, this is one of them.

  18. #143

    RE: AR-6 Construction Thread

    Good Luck in Calie,
    Kevin Matney 2 wrongs don't make a right But 2 Wrights make an Airplane
    www.Matneymodels.com

  19. #144

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    RE: AR-6 Construction Thread

    The weather was beautiful here most of the week.

    I've made this a racing vacation and had a great time![8D]

  20. #145

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    RE: AR-6 Construction Thread

    Here's another AR-6 wing on the build.

    A friend of mine cut a pair of slots for front spars using a radial arm saw. The primary function of the spars is to reinforce the landing gear block area.
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  21. #146

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    RE: AR-6 Construction Thread

    The following pictures shows the fabrication of the wing skins. I like to build both sides of the wing at the same time.

    1) Begin by making a full set of skins.

    2) Tape them together so that there is a fold at the wing trailing edge.

    3) Tack on a piece of carbon fiber laminate using 3M77.

    4) Lay a piece of 1.6 ounce fiberglass cloth over the surface.
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  22. #147

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    RE: AR-6 Construction Thread

    The rear carbon fiber spar and wood spars were glued in place using finishing epoxy.
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  23. #148

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    RE: AR-6 Construction Thread

    Mix an ounce of finishing epoxy and add approximately 10% (a cap full) of 91% alcohol.

    Immediately spread the mix on one side of the wing using a plastic squeegee.

    Mix another ounce of finishing epoxy and cover the other side the same way.
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  24. #149

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    RE: AR-6 Construction Thread

    Place the wing cores on the bottom skins and fold the top skins over.

    Adjust the cores until they fit properly on the skins and them place them between the shucks.

    Pin the parts in place and then follow with masking tape.

    Place parts in the vacuum bag and turn on the pump. Mine is set to pull about 6" of vacuum.
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  25. #150

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    RE: AR-6 Construction Thread

    The cores were trimmed and removed from the shucks.

    Double check the dimensions before doing the final trimming.

    A balsa leading edge was glued on with Gorilla Glue.

    Dampen the surfaces with water prior to gluing.

    Apply a thin bead as the glue expands to fill the void.

    The leading edge is temporarily held in place with masking tape until the glue dries
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