Mr Mulligan (oz9584)

 

Mr Mulligan (oz9584) by Tony Lombardo from Flying Models 1979 - plan thumbnail

About this Plan

Mr Mulligan. Stand-off scale model for .60 engines.

Quote: "Its name became legend. Sheer power carried it on to victory. Makes a superb stand-off scale RC model for .60 mills. Mr Mulligan, by Tony Lombardo and Dom Palumbo.

Construction: The fabrication techniques used to construct this model are fairly common and straightforward. We will not go into extensive detail - it is assumed that the builder is a modeller with reasonable experience. As with all aircraft, try to keep the weight to a minimum.

The Fuselage: Cut out all formers from the specified ma-terials. Slice the full length sides from 3/32 balsa, ensuring that the left and right are identical and that the wing saddle and stab platform are parallel to the full length straight edge corresponding to the thrust line. Mark off the location of all formers on the inside surface of the sides and use a square against the straight edge to draw perpendicular lines at these locations. Cement 3/16 x 1/4 stiffeners at the former locations from F through J and 1/4 sq stiffeners at the cabin locations as shown on the plan.

Following this, cement 5/16 x 1/2 in balsa wing saddle and 3/32 sheet stiffeners and gussets at the stab platform location. A length of' 1/4 x 3/8 balsa should also be cemented to one of the sides at the aft end. Join the sides between C and F using these formers and 1/4 x 1/2 in balsa cross bracing at the top, making sure that the formers are square to both sides.

Lay this assembly over a straight line, centering F and C on the line and cement the aft end together in a way that it is accurately centered on the line. Install formers D, E, G, H and J retaining the symmetry of the sides at each location. Cement 3/16 sq cross bracing at stations G, H and J. Now cement formers A and B between the sides. Be careful not to twist the sides when bending the 3/32 sheet over the curved region of these formers. Cement the 1/4 in plywood landing gear plate and wing hold-down plate between the sides. Use plenty of epoxy! Following this, cement the 3/32 balsa outer skin doubler over the sides from A to just aft of F as shown.

Install the landing gear wire at this time using J-bolts fastened to the landing gear plate and former C. Sheet the under belly from section A to D. Trial fit the fuel tank, drill all holes for fuel lines, throttle and en-gine mount in former A and install the rud-der and elevator pushrods. Sheet the top be-tween A and B install 3/32 x 3/16 stringers over the aft end of the fuselage.

The cowling was formed using a 1 in balsa block and 1/8 balsa ring cut in a circular pattern and separated every 45 degrees with lengths of 1/8 x 1/2 balsa. This assembly is then sheeted with 3/32 balsa, shaped and covered with fiberglass. The aft ring may then be cut out. Small hardwood blocks with wood screws hold the cowling on at four locations. The eighteen manifold blister fairings are formed of shaped balsa cemented to the cowling at 20 degree increments.

Wing Structure: The flat bottomed airfoil deviates from scale (an NACA 2412 was used on the actual aircraft) but makes the wing assembly on a flat surface close to foolproof. Since there is no dihedral, the entire wing can be built at one time. Wing tips are cut from 1/2 in sheet. The ailerons can be cut out after the entire wing has been built, but be sure to install linkages before sheeting. The strut fittings are nothing more than nylon aileron torque rod retainers...

Direct submission to Outerzone.

Update 22/12/2017: added article, thanks to theshadow.

Supplementary file notes

Article.

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Mr Mulligan (oz9584) by Tony Lombardo from Flying Models 1979 - model pic

Datafile:
  • (oz9584)
    Mr Mulligan
    by Tony Lombardo
    from Flying Models
    July 1979 
    67in span
    Scale IC R/C Cabin Racer Civil
    all formers complete :)
    got article :)
  • Submitted: 15/12/2017
    Filesize: 687KB
    Format: • PDFbitmap
    Credit*: Aerophyle

ScaleType:
  • Howard_DGA-6 | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz9584) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

    If we got this right, you now have a couple of direct links (above) to 1. see the Wikipedia page, and 2. search Oz for more plans of this type. If we didn't, then see below.


    Notes:
    ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Howard_DGA-6
    Wikipedia page addresses may well change over time.
    For more obscure types, there currently will be no Wiki page found. We tag these cases as ScaleType = NotFound. These will change over time.
    Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.

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Notes

* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.

Scaling

This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.

 

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