JohnReid Posted 21 August , 2008 Author Share Posted 21 August , 2008 What Happened? 2 On my model of this accident I will show the tail skid sheared off.Why? because the most logical reason for this accident that I can come up with is this.In order to break the fuselage in two at its most vulnerable point there would have to be some evidence of the tail striking the ground with great force.This could be caused by the aircraft descending(mushing)tail low at hi speed.Two factors could be at work here pilot error or weather conditions especially the wind factor (shear)close to the ground or a combination of both. Why am I spending so much time on this? Well it is part of the storyline and would be of interest especially to the aviators among us.I know that personally any time I here of an accident my immediate reaction is to ask myself why?Usually it is a combination of factors with poor airmanship and lack of experience high on the list! Link to comment Share on other sites More sharing options...
JohnReid Posted 21 August , 2008 Author Share Posted 21 August , 2008 I want my wreck to look more like this but with the broken tail also! This is a good example of how a diorama idea can evolve over time.There is nothing wrong with being influenced by someone work as long as it is not a direct copy.Artists "borrow" ideas from one another all the time.Here I have taken Stephen's idea which he got from a photograph and adapted it to other photograph and come up with a new idea. Link to comment Share on other sites More sharing options...
JohnReid Posted 21 August , 2008 Author Share Posted 21 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 21 August , 2008 Author Share Posted 21 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 21 August , 2008 Author Share Posted 21 August , 2008 This is the position of the aircraft as it came to rest on the ground.I am assuming here that the engine cylinders and the center section N struts have remained intact.The box at the front of the engine and the radiator breather have been sheared off. Link to comment Share on other sites More sharing options...
JohnReid Posted 21 August , 2008 Author Share Posted 21 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 22 August , 2008 Author Share Posted 22 August , 2008 Depending on the final angle of the fuselage in relation to the ground, I may shear off a front cylinder or two.If the aircraft only did a simple nose-over and then caught fire this maybe all the damage you would expect to see to the engine.In that case the broken fuselage may have been an attempt to rescue the pilot. Link to comment Share on other sites More sharing options...
JohnReid Posted 24 August , 2008 Author Share Posted 24 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 24 August , 2008 Author Share Posted 24 August , 2008 There are many things wrong about this engine but I am not spending a lot of time correcting them.As long as it looks like a engine from a distance and takes up the space it is ok by me.What with fire and accident damage not a lot of it will be seen anyway! __________________ It has been said that the difference between a "pilot" and an "aviator" is that a pilot is a technician,and an aviator is an artist in love with flight. JohnReid (Aviator) Link to comment Share on other sites More sharing options...
JohnReid Posted 24 August , 2008 Author Share Posted 24 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 24 August , 2008 Author Share Posted 24 August , 2008 I knocked #1 cylinder off its moorings by shearing the bolts at the base.This cylinder is now pushed back and off to the side of cylinder #2.Just this will result in a lot of damage to the camshaft etc... which will add to the look. Link to comment Share on other sites More sharing options...
JohnReid Posted 25 August , 2008 Author Share Posted 25 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 25 August , 2008 Author Share Posted 25 August , 2008 The damaged engine is just about finished.I cheated a bit with the spark plug/ignition harness assembly and I also left off the valve springs as they will hardly be seen with the engine upside down.The electrical cables and the plumbing would mostly be destroyed in the fire.The engine will be finished and weathered when installed on the skid assembly.I made no attempt to clean up the castings or fill the holes and dents ,as this engine makes a fine wreck just the way it is. Link to comment Share on other sites More sharing options...
JohnReid Posted 26 August , 2008 Author Share Posted 26 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 26 August , 2008 Author Share Posted 26 August , 2008 I didn't have any references for a damaged engine so I just used my imagination. It seems to me though, that rather than bending due to stress ,a lot of these parts such as the exhaust stack would probably just shear off due to the brittle natural of the metal. The damage that I inflicted on the #1 cylinder would be from the nose over more than forward motion.I will probably break the engine off at the motor mounts and roll it slightly on its side to make it a little more interesting. The next step will be to decide on the skid platform and mounting the engine to it.It will have to be large enough to rest not only the engine but the complete center section too. Link to comment Share on other sites More sharing options...
JohnReid Posted 26 August , 2008 Author Share Posted 26 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 26 August , 2008 Author Share Posted 26 August , 2008 The piece of white foam board represents the size of the eventual wood skid.I propped up the the engine onto the foam board using pieces of wood and hot melt glue.The engine is set at an angle while the center section N struts will be level with the skid.Now I will build the airplane fuselage around the engine now that it is in a stable position. Link to comment Share on other sites More sharing options...
JohnReid Posted 27 August , 2008 Author Share Posted 27 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 27 August , 2008 Author Share Posted 27 August , 2008 I initially plan to build the fuselage in one piece using the above methodology. Later I will cut the fuselage in two near station F016.On the finished piece it will remain completely severed except for the control lines.I figure that the weakest point on the fuselage would be just behind the aft landing gear strut.Not only does the pilot cockpit hole significantly weaken the monocoque type construction but this area would be subject to a lot of wear and tear.These trainers would also be under to a lot of stress from handling by their novice pilots ,heavy landings etc...which could weaken the structure over time. From a viewer interest point of view it also would be the most interesting area to have access to with the controls and instrument panel easily seen. From an artistic point of view the exposed cockpit and empty pilot seat with the dangling seat belts, fits right in with the storyline of a missing pilot and his faithful dog overlooking the wreckage. Link to comment Share on other sites More sharing options...
JohnReid Posted 28 August , 2008 Author Share Posted 28 August , 2008 Model Airways kits. For those who may be interested, Model Airways makes available on their website for download, the complete instruction manual for this build. The instructions and plans for this model are actually quite good,it is a shame that the casting are so poor.Too bad because a lot of would be builders probably have been turned off these models because of this.It is not that they can't do a good job on these kits, as their Jenny is one of the best kits that I ever built.Sure it sells for a hundred bucks more but it is money well spent as there is no aftermarket left to buy but the glue.Above all the frustration level is really low if you study and follow the plans carefully.This cannot be said for any of their other kits, which require a lot of modification and scratchbuilding to make them right.Sure they are buildable but not very accurate,make a nice show piece but are far from museum quality.Buy the Jenny! Link to comment Share on other sites More sharing options...
JohnReid Posted 30 August , 2008 Author Share Posted 30 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 31 August , 2008 Author Share Posted 31 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 31 August , 2008 Author Share Posted 31 August , 2008 The lower longerons have been glued in place and the fuselage freed from its jig.The monocoque type construction is actually quite pleasing to the eye in its design.There were a few minor fitting problems in a couple of areas especially around the tail.In general the wood and the laser cut wood pieces only require some fine sanding and are of good quality. Link to comment Share on other sites More sharing options...
JohnReid Posted 31 August , 2008 Author Share Posted 31 August , 2008 Link to comment Share on other sites More sharing options...
JohnReid Posted 31 August , 2008 Author Share Posted 31 August , 2008 Link to comment Share on other sites More sharing options...
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