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  1. P

    All-electric simulated machine gun?

    I think its an awesome idea! A few potential hang-ups though. Have you considered blank cartriges? You can get blanks in .22 (cheap) or .223 (loud). In all I think a blank firing system would be more straight foward in design as well as most realistic. An elecrtic or mechanical dummy gun could...
  2. P

    Project-Ex

    I like Divinycell and Corecell foam (5 lb.). I have used several foam core materials and those are my favorite. Both are easy to use but they have their differences. Divinycell is a bit softer, more flexible, sands easily (don't get the dust in your eyes!) and can be scored and snapped like...
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    Safest most reliable way to operate a 2 stroke?

    It has been my experience that a properly used and maintained 2-stroke can be very reliable and durable. To properly use and maintain such an engine one needs to understand how it works, how it fails, and why it fails. Premix your fuel and use top shelf oil. These engines get all thier...
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    Fiberglass Cub

    Good to hear from the panel again. Thanks Drake for sharing your experience. I have more recently been thinking in that same direction. Check out the "B lite" if you have'nt already, those guys have posted sandbag tests for a wing that is built entirely out of graphite and held some serious...
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    4 stroke snow mobile engines

    For starters, it's a commonly held belief that snow mobiles engines and jet ski engines are in many cases nearly identical. That being said, such engines are designed for a specific application that requires sustained high RPM under load. Unlike a rolling machine that can utilize momentum a...
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    preceptor aircraft

    I'm in the same boat with 'Falcon Driver'. All this is very bad news to me, unfortunately the Ultra Pup happens to be my #1 choice of aircraft to build. I need to get my hands on some Preceptor plans or something very similar. With so many knock offs of the venerable Cub are there no others like...
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    Fiberglass Cub

    All this is really helping me to get a better perspective on aircraft designs. Thing is with all the creative designs I've seen I figured there was some room for certain substitutions or modifications, especially in an aircraft like the Cub, being so well rounded and versatile. On the other...
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    Fiberglass Cub

    Is the VW a poor choice of engine even for this type of flying? The original Cub and similar planes like the Taylorcraft used 65 hp. and thats seems to be about par for a VW. I've seen one model that claims 85 hp. It seems like many people are using engines in the 100 hp. range now in these...
  9. P

    Fiberglass Cub

    The plane should have docile flight characteristics with emphasis on the slow regime. I just want to scoot around nice and easy and have no need for speed nor do I intend to fly far from home, Mostly around the county and occasionally to the next one. I have a 1500' grass runway in front of my...
  10. P

    Fiberglass Cub

    Many thanks Gentlemen. I guess this means we're on to 'plan B', that is more graphite and less glass along with the unfortunate realization that a composite structure cannot likely be a viable substitute for a chromoly structure given the weight restrictions at hand. My logic as a boat builder...
  11. P

    Fiberglass Cub

    You're gonna' have a nice plane Skeeter. Best of luck to you in finishing. Maybe something more along those lines would be better for the type of construction that I have in mind. Nothing is cooler than lake hopping, not even loops. I think I know what's coming too. I'm fixin' to get 'Baker...
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    Fiberglass Cub

    You're probably right Tom. I underatand these types of materials are generally reserved for faster planes with higher wing loading and better power to weight ratios. Also, a typical composite wing structure is built different from a wooden or metal wing, not necessarily with so much emphasis on...
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    Fiberglass Cub

    Thanks Tom. I've considered buying a piece of spruce to break and then building some comparible sections of spar out of composite to see where I am as far as weight and strength. There are some crafty ideas on the drawing board but ultimately I feel like a wing spar comparison is apples to...
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    Fiberglass Cub

    I would like to build a LSA something like a cub almost entirely out of fiberglass and foam cores. As far as I know no plans exsit for such a plane. The spars, ribs, fuselage, skin, etc. would all be of fiberglass and foam core where needed. This would likely require a set of plans for such a...
  15. P

    First build advice.

    Larger pipe with a thinner wall is stronger. Chromoly is very rigid metal. Generally a chromoly structure is much lighter than a steel tube structure because of thinner wall thickness, you might be suprized. It's not so simple to work with, dificult to bend thin wall chromoly, when you weld it...
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