Bob Holman. The name is synonymous with scale drawings and plans. Bob is a new member of I.M.A.A. Two days after I turned in my article to the editor for printing, I received a copy of a plan and two of Bob's catalogs. Bob Holman imports scale plans from all over the world and markets them to modelers in the USA. (See Ad for his B-17 elsewhere in this issue - Ed.)
Bob Holman sells three catalogs. He has his own catalog which lists all of his full-sized scale R/C working plans which is called "The Best in Scale" and goes for $4.00. One from Argus Press in England which has plans for just about anything you can think of and which has been published in the British model magazines over the last 35 years and his own listing of scale three views. All three go as a package for $9.00 from Bob Holman Plans, P.O. Box 741, San Bernardino, CA 92404. Phone - 714 885-3959.
Bob also sent along a plan of George Meyers Little Toot for review. We have already done the Little Toot, but this plan is by a different designer so I'll review it also. This plan was drawn by Bob Morse and is marketed through Bob Holman. The plan is third scale with a 78.9 inch wing span and an area of 2,514 inches giving a wing loading of 30 ounces per square foot. Weight is given as 32 pounds and power is a Sachs 3.7 engine. This is an excellent plan with everything shown including engine installation and isometric views and comes on three sheets. The first sheet shows the left side view of the fuselage and the fin and rudder and the fuselage top view. The fuse is straight to the rear of the cockpit then a sharp break in the taper to the rear to the tail post. It is recommended to build the front section first, which is built of quarter inch square balsa longerons uprights and diagonal with eighth inch balsa sheeting inset, flush with the inside, then the rear section is built and glued to the front.
Cabane struts are made and installed. Pulleys and guide tubes are installed, then the whole fuselage is sheeted with eighth balsa sheet. The firewall is half inch plywood. The fuel tank has been drawn in it's correct location and even the box for the 2000 MA battery pack is shown directly to the rear of the aluminum landing gear. Rudder and elevator on this airplane are of the closed loop control system which I heartily endorse. The elevator cables run over a pulley in the fuselage and then through guide tubes to the servo arm. The rudder cables are a straight shot to the servo arm and don't need a pulley and are run through guide tubes. The fin and rudder are built up and sheete0 with balsa. The lower wing is held by the normal dowel and bolt method and the top wing is held by two quarter twenty bolts. The cabane struts are made on a jig, which is shown and are from low alloy steel brazing rod and the jig is shown on the plan. The landing gear wheel mounting is shown on the plan along with the wheel pants. There is generous use of CB fittings on this airplane. Of course, you know CB products have been designed for our large scale aircraft.
The second sheet contains the wing (s) and stabilizer drawings and both wings are shown in complete length. That sure makes it easier to build from and glory be friese-type ailerons are shown. Both the front and rear spars are from three eighths by quarter spruce or basswood with shear webbing the full length. Ribs are from eighth balsa sheet except at stress and load points which are eighth ply, both wings are equipped with drag, bracing. Center sections are sheeted and ribs are cap stripped with three thirty seconds square. Ailerons are built up and as I said are of the friese type. Hinging used is again CB hinges. Two aileron servos are used. They are mounted in the center of the lower wing and again a closed loop system is used incorporating four CB bellcranks.
The stab and elevator are built up from balsa and sheet covered. Also shown on this sheet are functional flying and landing wires with fitting drawings. Wires are from fishing leader and are double with Proctor turn buckles for tension.
Sheet three shows templates for all ribs and formers, plus stab = spar and "I" struts. Bob Holman says an extra sheet may be had for $5.00. The Little Toot plan can be purchased for $33.00, plus $5.00 postage. Epoxy glass cowl is $50.00 and wheel pants are $20.00.
Bob Holman has purchased all of the plans drawn by Bob
Morse and is marketing them at the same price as before. This
is a very excellent plan and well worth the money. There seems
to be nothing left for you to figure out unless you want to make
changes.