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  1. B

    Solidworks FEA simple spar and strut?

    Do you have the parts modeled already? That makes the answer simpler, a basic hand calculation can be quicker than drawing it. If not concerned with the actual strength but merely is this as strong as that it, can quickly be evaluated with a vivid visual result using FEA. The problem being...
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    Round Aluminum Discs For Cover Plates- Where to Buy???

    Here is a zenith 701 guy that makes inspection plates that might fit the bill but I think they were a little thicker. http://www.mrrace.com/products/ I ended up just cutting mine out by hand.
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    Steam Power...

    Being that I have no actual experience with boilers, what is the consensus, could a boiler be made that will operate successfully in an environment that potentially has less than 1 g and severe vibrations? Seems like it might be the biggest problem in terms of actual feasibility.
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    Steam Power...

    Actually yes I am, but that doesn't mean you couldn't. More making light of the multi-fuel potential because all a boiler really needs is hot exhaust gas. Some sort of flammable liquid is the obvious choice. Just to add some more fun how about vegetable oil? I'm hearing safety feature to keep...
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    Steam Power...

    In my wiki-ing I ran across the bristol Tramp - http://en.wikipedia.org/wiki/Bristol_Tramp Which lead to finding the Besler's successful test of a Travel Air 2000 All of this led to the light bulb moment of with all the ridiculous non-Av Gas power plants why aren't more people working on...
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    Building in a tiny workshop? (Zenith 750)

    Be careful here. I started with one side of a 2 car garage on my 701. Once the wings were made, I realized there would be an assembly problem as the garage was both too short in height and width to even assemble one wing to the fuselage at a time. Now I have more into a 32'x40' pole barn than I...
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    Aluminum Casting

    You say that now... a foundry in the middle of summer in protective gear is not as fun as it sounds after the first 10 min. Something to think about, Magnesium is significantly lighter than aluminum. When designing your parts, consider using mag numbers for your stress calculations. Aluminum...
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    Aluminum Casting

    Like said before tooling is the most expensive part. I'm assuming you are thinking of doing a gravity sand casting. At the foundry I work at it is a minimum of $3000 to cut a very small tool. Once the tool is made its just what you can get a foundry to run the tool for. Most don't like one or...
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    Transferring prop loading to airframe

    I intend to use a reduction drive, and definitively do like the added benefit of not having the crank take those loads. It is still attached to the front of the engine and imparting them on the case. I would love to mount the engine by the pulley end but there is just nothing there to mount to...
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    Transferring prop loading to airframe

    Aircraft engines are somewhat of an oddity to me in that the thrust is carried by the crank and transferred to the engine case on its way to the airframe. In an auto engine, only the torque is transferred to other components that make the thrust to move the vehicle. I could imagine that the...
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    1915 VW for CH 701

    I finally decided to start building something instead of just researching airplanes on the internet. I've decided on the CH 701 purely due to budget and the length of my back yard (980 ft @ 5450 MSL). Now I'm in the process of working out my time line and budget. The VW engine is my obvious...
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