About this Plan
Daydreamer. Radio control sport model, for 3 channels. Wing area 478 sq in, for .09 - .10 power.
Quote: "This 3-Channel Sport Flier Makes An Ideal Trainer, Or Is Great For Just Relaxed Easy Flying. Daydreamer by Bob Wallace.
Many sport R/C aircraft construction articles commence with a glowing testimonial to the virtues of a particular design. Just to temporarily be a bit different, I will start by telling the reader the things that the Daydreamer is not, or cannot do. While mildly aerobatic, the Daydreamer will not perform every pattern maneuver. It does not fly fast, and it is not likely to win any beauty contests. It cannot be built on Saturday and flown on Sunday, nor is it crashproof or indestructible.
On the positive side, the Daydreamer is a very easy and inexpensive to build and fly sport design. Stability, combined with mild acrobatic capability, at a leisurely speed, are the Daydreamer's strongest in-flight virtues. Being a hand-launched design, with honest 'slow-poke' landing qualities; it can be flown from any small open area. Its simple construction methods render it an ideal design for the first time scratch-builder.
The Daydreamner's docile in-flight traits will be well appreciated by the relative newcomer to R/C flying. Other than as a change of pace type of aircraft, the experienced R/C pilot will perhaps find the Daydreamer to be a rather 'ho-hum' performer, unless he/she simply enjoys low key rambling about the skies in a very economical and leisurely fashion.
The Daydreamer shown in this construction article was originally powered with a Russian MK-17 (.09 cu in) diesel engine. However, any of the presently available .09-.10 cu in glow plug equipped engines would perform equally well. The use of a throttle equipped engine, while not necessary, is left up to the builder. There is sufficient space within the fuselage cavity to accept three servos.
Construction. As with any scratch-building project, it is of great benefit to cut out all of the various wing ribs, bulkheads, formers, fuselage sides, etc, prior to starting the actual assembly process. In effect, the builder is first creating his/her own kit. This makes the actual construction phases less interrupted and more enjoyable.
As the plan sheet clearly indicates, the Daydreamer is a simple, easy to assemble aircraft that goes together quite rapidly. As the wing requires the most time to construct, let's start with that first.
Place the wing panel plan sheet over your flat building surface and cover it with either wax paper or clear vinyl sheeting. The disposable clear backing sheet from heat shrinkable film covering material is ideal for this purpose. Pin the lower leading and trailing edge sheeting in place, along with the lower center section sheeting and lower rib capstrips. Glue all the respective sheeting seams and joints with cyanoacry-late adhesive. When dry, unpin the trailing edge sheeting at the tip area and shim it up with the tip washout strips..."
Bob Wallace's Daydreamer from RCM issue 11-95.
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User commentsA long, skinny wing on the bottom with no ailerons and little dihedral? I'm not convinced it would turn very well. If it were mine, I would add ailerons during construction, pretty easy to do but a bear after it's already finished.
DougSmith - 26/08/2015
Inadequate dihedral on plans - built with ailerons as I ended up doing, it's fairly aerobatic for a powered sailplane
BenCalloway - 06/01/2016
I'm using this plan to make parts for a laser kit, and I noticed that the 6" ruler in the corner is 6.09" long.
RobR - 28/12/2017
Thanks, Rob. In the article the wingspan is listed as 63-3/4in, so I guess we work back from there (I'm not sure how accurately the 6in scales on RCM plans were printed, to be honest?). Just checking quickly, I think yes this planfile looks to be slightly oversized. Maybe a total 65in span or say 1.25 in too large? I am wary of messing about with plans that came in from theshadow, as he is frankly better at this than I am :)
SteveWMD - 28/12/2017
The biggest clue is the length of the fuselage side. Designers typically set the length of most parts to allow economical use of standard pieces of wood. In this case, the fuselage side measures 3/16" longer than 36 inches. I don't think Bob Wallace would have done that to us. I rescaled the plan to make the ruler 6 inches long, after which the fuselage side was 35.68". This seems a lot more believable. I suspect that the vertical dimension of the plan is stretched even more than the horizontal, because the wing center section as shown in the top view won't quite fit in the wing saddle shown on the fuselage side view. I'm not making a big deal out of that, though. I'm counting on the builder to use a sanding block intelligently.
RobR - 29/12/2017
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