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| TJH, Comment for image # 23542 | 09 Sep 11 06:58 | | No, this is not the one I have. I have not done any scratch builds other than the modified Monocoupes I made from the Easy Built plans I had from the kit. Thanks for the info. |
| BriandKilby, Comment for image # 23544 | 08 Sep 11 06:51 | | you should be an aeronautical engineer, unless your already one. |
| hjlittman, Comment for image # 23542 | 07 Sep 11 18:54 | | This is not one you want to build. Trimmed out it flies perfectly for 75 to 100 feet then simply flutters down out of the sky as if it suddenly became tail heavy. After it lands the motor starts to unwind again. I suspect that the fuselage is too narrow from the last former back to the peg and that the motor bunches in the back, unwinding from the hook to the last former only causing the stall and spin. I am changing the motor from 1/8" flat to 1/16" square rubber to see if it changes this situation. I should have given up on it by now, but I am just determined to make it fly. I plan to squeeze in my own Peanut Citabria amongst all my other design projects because I think this model should be a good subject. Hopefully, it will be flying at the AMA Expo in January. |
| TJH, Comment for image # 23542 | 07 Sep 11 11:33 | | I have plans for a P-nut scale that I plan to start next month. This one looks great! |
| poppy, Comment for image # 23542 | 07 Sep 11 08:36 | | Very nice piece of work! Show some flight pics. |
| hjlittman, Image # 23544 | 06 Sep 11 17:08 | 
You ever have one of those conversations that starts with "What if you...", or "I wonder what would happen if..."? Well, this is the result of one of those conversations, a tailless (well, elevatorless) model made of a foam picnic plate. Yes, it does fly! It.was a complete b**** to trim, but flies better than the improved Citabria. |
| hjlittman, Image # 23542 | 06 Sep 11 16:51 | 
Modified for "white prop". New prop is much lighter so required another rebalance. This time weight in nose. Still weighs 17 grams. Needed a 1/32" shaft for new prop so I drilled 1/8" hole in Guillow's thrust button and slipped Peck thrust button in hole. Works fine. |
| hjlittman, Image # 23487 | 25 Aug 11 19:29 | 
Citabria on the balance rig for rebalance after a small change.. |
| hjlittman, Image # 23442 | 15 Aug 11 16:32 | 
Trillium Balsa, kit LC004, Citabria. It is not produced currently. It was on my shelf for years,so I decided to build it right out of the box. The laser cut kit had excellent strip wood, but sheet wood that was about 18 pounds per cubic foot. The laser cutting was clean and it went together quite quickly revealing some inaccuracies in the front former shapes that were sanded out. The .025" acetate material supplied for the canopy would have been great for a U-control gas job but not a peanut so I replaced it with some .005" acetate that is reasonably light. The canopy pattern on the plan was way off and it took a couple of tries to get the front of the canopy to fit over the wings. Light silkspan was supplied in the kit, which I used, but Esaki tissue would be better. The front end supplied in the kit was Guillow's 500 series stuff. and actually made the model nose heavy. It took a half gram of clay in the back to balance it. All up, ready to fly, including the nice piece of rubber that came in the kit it weighs 17 grams. Surprisingly enough, it actually does fly, but is very sensitive to small thrust line adjustments. It does need more thrust and a little less weight. I could just give up on it and put it on the shelf, but I am going to change to a "white prop" with a Peck bearing to see if the performance can be improved. After all, it meets the primary goal of flying and landing without breaking itself, and it is rather cute. |
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