The Flying Ohm replica during the painting process (above left). Note the aileron on the small paint stand to the right in the photograph. The ailerons are permanently hinged after the painting is completed. The rudder and
pushrods for the rudder and elevator and 1⁄16-inch music wire for the throttle. The tail
skid was made removable, controline style. I didn’t have time to engineer a steerable tail wheel. It can be done and will be neces- sary if you want to taxi the Flying Ohm.
Final assembly and covering After all components are constructed and
sanded to shape, attach the wing and check for alignment. Do not attach the wing with a lot of rubber bands until the wing is cov- ered and the T.E. plywood doubler plates are installed. Remove the wing and complete the installation of the fuel tank, receiver and servos, switch and all control linkages. Make sure all controls work correctly and smoothly. Now you can disassemble the model and
finish with your favorite method. The origi- nal model was covered with silk and bu- tyrate dope. I covered the replica model with
elevators were permanently hinged prior to painting. The Flying Ohm (above right) completely painted and ready to install the radio and engine. The trim is simple, attractive and will be easy to see in the air.
Polyspan over all the open bays and applied four coats of thinned dope after shrinking the Polyspan. The entire model was then covered with GM Silkspan. The model was then completed with a traditional dope finish.
Flying I originally set the model up with a stan-
dard 72 MHz radio and standard size servos. The very long receiver antenna caused some dilemma. After thinking about it for a while I decided to buy one of the new 2.4 GHz ra- dios along with a set of micro servos. The new radio eliminated 6 ounces of weight from the model. I powered the model with an OS 15 LA, which proved to be more than enough power. I had considered using a K&B 15, but decided the fitting of a carbu- retor and the required muffler was just too much trouble. Because I hadn’t flown R/C for many
years, I asked my friend and fellow club member, Jerry Holcomb, if he would fly the model for the test flights. Happily, Jerry agreed. We are members of the Fern Prairie Modelers in Camas, Washington. This was also necessary because I couldn’t photo- graph the model and fly it at the same time. We also decided to hand launch the model just as in the old days. Dave Rawlins agreed to be the launcher. Both of these gentlemen did an excellent job! The model was first flown with the aileron
wing so we had the most control for the first flight. With way more power than the origi- nal model had, down trim was required. The flight went really quite well and I did my best to get some flight photos. After about a ten-minute flight, Jerry brought the model in for a landing. The minimum ground clearance allowed a prop strike which killed the motor, but didn’t break the prop. I changed the wing to the stock wing and refueled. After a few min- utes rest, Jerry and Dave were ready to go again. The second flight went just fine. I asked
Jerry about the rudder authority and he said it was very responsive. That is exactly like the original model flew! Don’t let the small size of the rudder fool you. The mod- el needs some more down thrust and the ailerons are pretty sensitive. These are simple trim adjustments. Winter weather here in Washington has returned earlier than expected so the Flying Ohmwill hibernate for the winter. I snow- bird in Arizona and controline takes up all my time down there. I’m looking forward to next summer when I can get back to the Fly- ing Ohm. Who knows, I might even resur- rect one of the old Flying Ohms that I still have from my teenage years. If you would like some relaxed fun and en-
Roy DeCamara poses with the newly completed Flying Ohmjust before the winter rain season arrived in the Northwest. First flights were stable and true.
FLYING MODELS
joy the good old days along with the best of the current technology, build a Flying Ohm with a new radio. Thanks for reading my story about a fine modeler and a man I greatly miss, Mr. Ray Morgan of Patterson, California. I wish Ray had lived to see my tribute to his model. If you have any ques- tions about the Flying Ohm you can email me at
Royde26434@aol.com.
25
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68