Scientifically Authenticated Dinosaur Model Kits Now Online

By Doyle Trankina

For the Dinosaur connoisseur and collector, you will find what you have been looking for at Dinosaur Model The creator of all the works featured on this site is not only a gifted sculptor, but actually works with dinosaur fossils as a paleontological reconstruction artist, fossil preparator, and field technician at the Natural History Museum of Los Angeles. His artwork is based on the latest scientific research, real fossil material, and years of hands on experience. This is why the work featured is regarded as some of the most scientifically accurate available to the public.

The new Dinosaur Galleries at the Natural History Museum of Los Angeles will feature many of the artist's creations. Most notable is the baby Tyrannosaurus rex estimated to have been two years old when it died, for which nearly ninety percent of the skeleton will be recreated for this mount. This sculpted reconstruction will be featured with two real T-Rex specimens, one a six-year old, and the other the sub adult specimen named "Thomas" which Doyle Trankina helped collect, and prepare. Thomas is estimated to be about seventy percent complete, making it one of the top five most complete in the world. Our initial offering will be a series of cast resin models and limited edition bronze sculptures with both a highly detailed exterior view, and a rendition of the internal skeletal anatomy of an adolescent T-Rex similar to the Thomas find.

Through his experiences with the museum with his private obsession with prehistoric life and the natural world, Doyle has produced several sculptures and illustrations for exhibition and publication. Doyle has an extensive list of sculptures to produce over the next two years. His work will require lots of observational study from the museum's collection, and extensive extrapolation based on the latest research, and modern analogues like birds, and crocodiles. As part of the Dinosaur Institute at the Natural History Museum of Los Angeles Doyle Trankina has attended several field excavations in Montana Utah, and Mojave. While in the field Doyle prospected, and assisted in the collection of several specimens, most notably Thomas the sub adult Tyrannosaurus Rex that will be gracing the museums new Dinosaur Gallery in 2011.

After completing the preparation of Thomas, Doyle embarked on a half skeletal, half flesh reconstruction of an adolescent Tyrannosaurus Rex at 1;24th scale. The teeth were surfaced to provide the accurate thickness and semblance to where the tinny serrations would have lined the many teeth. Because the position of the serrations actually change on the teeth as they move back towards the throat, the ridge implies the appropriate location of the serrations. The scales were carved individually so that the skin wraps around the form in a realistic, and accurate way. The detail and fidelity to the skeleton was accomplished by long study of the anatomy from several existing mounts, scientific publications, and photographs from the some of the best Tyrannosaurus specimens.

This project has just begun, and with Dr. Chiappe Doyle will be making history in presenting the worlds only mounted baby Tyrannosaurus rex specimen. Doyle is currently working on a skeletal reconstruction of a baby Tyrannosaurus rex which will be mounted in the new Dinosaur Galleries with Thomas and an intermediate specimen as an illustration of age progression. The actual specimen is only known from a skull fragment from the snout of what is believed to be from a two-year-old Tyrannosaurus rex. There are no post cranial remains, and there are only a handful of examples that are believed to be that of baby dinosaurs.

Fall of 2009 marked one of the biggest Paleontology news splashes, featuring N. America's smallest dinosaur, Fruitadens haagarorum. It is thought that the animal might have weighed as little as two pounds and measured only 28 inches in length. Fruitadens was discovered in Colorado in the late 1970s in a geological formation known as the Morrison, more specifically in an area called Fruita, for which the specimen was named after. Nearly 150 million year old, the tiny Fruitadens would have shared its life with such titanic beasts as Brachiosaursus, and Allosaurus in the late Jurassic.

The strange dentition of this animal implies that Fruitadens might have been omnivorous, eating plants and at least insects if not small vertebrates. Doyle has produced the first and most accurate illustrated and sculpted reconstructions of this animal. His work was featured on every major news source in the world, and five of the sculpted Fruitaden will be featured in the new galleries in 2011. In his studio, Doyle is currently working on a scale Fruitaden, which will be approximately 30cm long . This will be the only scaled sculpture of the animal, and the first and only for sale. The full scale version is not for sale and can only be seen at the Museum. Fruitadens belongs to a family of early dinosaurs called heterodontosaurids, which share many interesting features, one of which are the teeth. Fruitadens like other heterodontisaurids have varied dentition, and in the front of the mouth sits a canine like tooth on the lower jaw.

Doyle is also concurrently working on Mamenchisaurus, a long neck dinosaur and part of the branch of Sauriscian (lizard hipped dinosaurs) known as Sauropods. As the prospects of obtaining a casting of the Chinese mamenchisaur skull proved too difficult, Doyle was charged with the task of reconstructing the skull from two dimensional reference and other dinosaurs like Camarasaurus for comparison, and to gain familiarirty with Sauropod skull anatomy. The rare skull was found in China and researchers provided a paper with a detailed description and several scientific illustrations. Sauropod skulls are rare because they are so frail in construction, have several small bones that usually disarticulated some time after the animal dies, and are not commonly preserved in fossilization, or are so disarticulated and in such small pieces that they are nearly impossible to find. - 31504

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Build Your Own RC Jet Engine

By Paul Higgings

Can you Build Your Own RC Jet Engine

I have been doing lots of research on this topic, as up until now RC Jet Engines have been, as you can imagine extremely expensive to buy. Certainly in the thousands rather than hundreds of dollar range, one major manufacturer is Jetcat USA, who certainly has a fantastic product range, but they do come with a hefty price tag, unfortunately pricing many budding jet modellers out of the niche.

Can you make your own RC Jet Turbine? The main problem we will encounter is that the turbine wheel itself needs to be of the correct shape and material to work efficiently and aborb the immense heat and pressure involved. This was the same problem that the designers of the early Jumo series engines faced at the end of the second world war, they simply could not obtain the correct alloys to ensure reliability.

During my research I have found off the shelf Turbines are available that will form the basis of your home built RC Jet engine. It is clear however that you will still need a reasonable amount of engineering skill to use this turbine wheel and produce a working Jet engine. One company, March Labs can provide CNC ready plans so that you can go to your local engineering firm and they can produce all or some of the parts for you, thus allowing you to carry out final assembly of the components. You could soon be Jet Powered!

The engine that is produced using this turbine is known as the centrifugal type jet engine. This is the design adopted by most commercial manufacturers of RC Jet Engines. It was also the same design used in the early full size jets, pioneered by Sir Frank Whittle of Powerjets Ltd. This design was used to power Britians first operational Jet Fighter the Gloster Meteor. The later engines went on to use the slimmer and more efficient Axial Flow principle as seen in the BAC Lightning supersonic fighter that used a reheated version of the Rolls Royce Avon engine.

I'm sure there are some very talented modellers out there will be able to take the off the shelf turbine wheel and go and produce a working RC Jet Engine. For the rest of us mere mortals the plans available from March Labs will give us a valuable blue print to work with.

Obviously this is a very large project, but the money saved and the satisfaction gained by doing the work yourself will be great, now are you up to the challenge? - 31504

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Building Model Airplanes Can Be A History Lesson

By Manuel Vintagoli

Are you a fan of flying and aircraft? Do you get excited when you see the airplanes at the airport landing and taking off? How about starting your own collection of model airplanes? This is a great way to satisfy your love of airplanes while at the same time learning a lot about them not to mention that is a lot of fun.

If you are wondering where to start in your new hobby, the best place to start would be at a hobby shop that has everything you will need to build model airplanes. There are a lot of different kinds of airplanes that you can build and choosing one is going to be the hardest part of this hobby. You can start minimizing your picks by thinking about the planes that you like the best.

The kind of model airplanes that you build will depend on the type of aircraft that you like the best. It doesn't matter what kind of airplanes you have as favorites, you will be able to find models of that type of plane. If you like military planes the best, like bombers and stealth fighters you will be able to find everything that you need to be able to construct a model of these planes.

You can also find some models that are already assembled of you are just interested in the collecting and not the building. You may like to have a model of many different kinds of planes or you may like to have a few different models of a certain kind of plane. You will be able to have private plane models or commercial jet airplane models.

If you like the military airplanes the best, you are going to be able to choose from many different kinds of plane models. You will also have a great choice between the branches of military services and the kinds of planes that are significant to each branch. The Air Force especially has a wonderful assortment of planes to collect as models.

If you love flying, then you are really going to love the RC model airplanes. You will be in control of this model as though you were sitting right in the cockpit. The fun in flying these models is that you are going to have to learn how to land without crashing and learn to maneuver around big trees. If you do happen to get into a crash then you will, have a great time rebuilding as well. You should talk to an RC hobby dealer about a supply of parts just for these kinds of crash emergencies.

Team up with a friend who also has an RC model and you both can have a great time flying. You can find all kinds of neat thing that you can add to your plane to make it more real as well. If you have this kind of plane, then you need to make sure to keep a good collection of the parts and accessories that you will need in case of a crash.

The love of flying is shared by many people. The love of collecting anything that has to do with flying is also shared by many and you can find these people through the Internet. If you are interested in airplanes and building models, you would be surprised what you can find on some websites that cater just to this sort of model. - 31504

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