Piper Cub (oz14791)

About this Plan

Piper Cub. Free flight scale model for rubber power. Wingspan 22 in.

Quote: "This is one model that needs no introduction. A familiar sight at any airport, the Cub is so popular that to most people any single engine lightplane is referred to as a Cub no matter what other make it may be.

Our little Cub is a stable flier just like the real ship and faithfully follows its lines with only minor concessions be-ing made for easy construction and good flying ability. Unlike the real Cub, the fuselage is slab sided to allow sheet construction and the stabilizer is enlarged slightly. The sparless wing worked out very nicely and is quickly constructed.

Since full size plans are provided we have no scaling up problems. Just remove the plans from the magazine and carefully cement or tape them together. Use the fuselage centerline as a reference line in lining up the plan halves. Place waxpaper over the plan when building for protection and to keep the parts from sticking to it.

CONSTRUCTION: Fuselage and tail: Cut out formers #2 through 7 from 1/16 sheet and former #1 from 1/32 sheet. Bend the land-ing gear from 1/32 dia wire and cement it to former #2 as shown on the landing gear sketch. Then cut out the fuselage sides from 1/32 sheet. Transfer the fuse-lage outline from the plan to the 1/32 sheet by placing the wood under the plan and then punching a pin through the plan at approximately 1/4 in intervals on all the curved portions. On straight lines all you need is one pin hole at each end. When cutting, line up a straight edge with these pin holes and cut using the straight edge as a guide. Cut out the 1/32 sheet doublers and cement them in place on the sides.

Now, cement formers #3 & #4 in place. Let the cement set a few minutes and then pull the sides together at the rear and cement. A spring-type clothespin will come in handy for holding the sides together here. Place the fuselage upside down over the plan and check to see if it is bent. It can be straightened by moving the sides back and forth slightly at the rear before the cement sets.

Let the fuselage sit in this position for about a half an hour until the cement dries. While you are waiting, cut out the tail surfaces. Use a light grade of balsa and note the grain direction. Transfer the out-line in the same manner as you did for the fuselage sides and then cut out. Sand them lightly and round the edges..."

Direct submission to Outerzone.

Note for a later 2004 version of this plan, adapted for RC by Dave Robelen, see Piper Cub (oz688).

Supplementary file notes

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