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Well said Des..PeteBairnsdale,Vic.
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Well said Des..PeteBairnsdale,Vic.
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Who said anything about looking for a free copy? I don't understand what all the fuss is about. If you buy something and find you no longer need it, you throw it into the grabage, or give it away, or sell it onto someone that can use it. It's you choice. Even ol' Bill Gates got his fingers slapped when he tried to prevent someone disposing of a unwanted operating system. Surely that has to be a Common Law Right?You ask what I'm looking for. I'm trying to find out if Monte's rotorblade plans are really any different than Bensons or the BW-20.This is the Bensens profile. It's a composite of plywood and solid wood.Image Insert:
18.34
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Who said anything about looking for a free copy? I don't understand what all the fuss is about. If you buy something and find you no longer need it, you throw it into the grabage, or give it away, or sell it onto someone that can use it. It's you choice. Even ol' Bill Gates got his fingers slapped when he tried to prevent someone disposing of a unwanted operating system. Surely that has to be a Common Law Right?You ask what I'm looking for. I'm trying to find out if Monte's rotorblade plans are really any different than Bensons or the BW-20.This is the Bensens profile. It's a composite of plywood and solid wood.Image Insert: 18.34
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Who said anything about looking for a free copy? I don't understand what all the fuss is about. If you buy something and find you no longer need it, you throw it into the grabage, or give it away, or sell it onto someone that can use it. It's you choice. Even ol' Bill Gates got his fingers slapped when he tried to prevent someone disposing of a unwanted operating system. Surely that has to be a Common Law Right?You ask what I'm looking for. I'm trying to find out if Monte's rotorblade plans are really any different than Bensons or the BW-20.This is the Bensens profile. It's a composite of plywood and solid wood.Image Insert: 18.34
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Who said anything about looking for a free copy? I don't understand what all the fuss is about. If you buy something and find you no longer need it, you throw it into the grabage, or give it away, or sell it onto someone that can use it. It's you choice. Even ol' Bill Gates got his fingers slapped when he tried to prevent someone disposing of a unwanted operating system. Surely that has to be a Common Law Right?You ask what I'm looking for. I'm trying to find out if Monte's rotorblade plans are really any different than Bensons or the BW-20.This is the Bensens profile. It's a composite of plywood and solid wood.Image Insert: 18.34
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Norm, To answer your question on the difference to bensons, They have a full length steel spar in the leading quarter of the blade. I'm sorry but I am a bit not savy of how to get the image that would show you the same profile as you have posted. I will get my computer nerd son to do it for me when I get home at the end of the month.I will try to explain it for you,The bottom skin is quater inch Birch marine ply 8 to 9 inch cord, then you have one eighth inch thick Birch marine ply with half inch wide at the leading edge, then a strip of one and half by one eighth inch steel cold rolled 1020 steel spar. Then a one eighth Birch marine ply lamination on the trailing edge side of the steel spar. On top of that you have another quarter inch lamination on top of that. Then a one eight inch Birch marine ply top skin which is glued to the bottom skin at the trailing edge of the blade to form the profile. They are fixed to the hub bar the same as some of the other types of rotors with steel straps. The cord balance is gaained with a 1018 steel nose weight formed in the profile of the leading edge of the rotor. Trust this answers your question.What you focus on grows. Des Gravin Bullsbrook Geraldton's (southern suburb) W.A.
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Norm, To answer your question on the difference to bensons, They have a full length steel spar in the leading quarter of the blade. I'm sorry but I am a bit not savy of how to get the image that would show you the same profile as you have posted. I will get my computer nerd son to do it for me when I get home at the end of the month.I will try to explain it for you,The bottom skin is quater inch Birch marine ply 8 to 9 inch cord, then you have one eighth inch thick Birch marine ply with half inch wide at the leading edge, then a strip of one and half by one eighth inch steel cold rolled 1020 steel spar. Then a one eighth Birch marine ply lamination on the trailing edge side of the steel spar. On top of that you have another quarter inch lamination on top of that. Then a one eight inch Birch marine ply top skin which is glued to the bottom skin at the trailing edge of the blade to form the profile. They are fixed to the hub bar the same as some of the other types of rotors with steel straps. The cord balance is gaained with a 1018 steel nose weight formed in the profile of the leading edge of the rotor. Trust this answers your question.What you focus on grows. Des Gravin Bullsbrook Geraldton's (southern suburb) W.A.
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Norm, To answer your question on the difference to bensons, They have a full length steel spar in the leading quarter of the blade. I'm sorry but I am a bit not savy of how to get the image that would show you the same profile as you have posted. I will get my computer nerd son to do it for me when I get home at the end of the month.I will try to explain it for you,The bottom skin is quater inch Birch marine ply 8 to 9 inch cord, then you have one eighth inch thick Birch marine ply with half inch wide at the leading edge, then a strip of one and half by one eighth inch steel cold rolled 1020 steel spar. Then a one eighth Birch marine ply lamination on the trailing edge side of the steel spar. On top of that you have another quarter inch lamination on top of that. Then a one eight inch Birch marine ply top skin which is glued to the bottom skin at the trailing edge of the blade to form the profile. They are fixed to the hub bar the same as some of the other types of rotors with steel straps. The cord balance is gaained with a 1018 steel nose weight formed in the profile of the leading edge of the rotor. Trust this answers your question.What you focus on grows. Des Gravin Bullsbrook Geraldton's (southern suburb) W.A.
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Norm, To answer your question on the difference to bensons, They have a full length steel spar in the leading quarter of the blade. I'm sorry but I am a bit not savy of how to get the image that would show you the same profile as you have posted. I will get my computer nerd son to do it for me when I get home at the end of the month.I will try to explain it for you,The bottom skin is quater inch Birch marine ply 8 to 9 inch cord, then you have one eighth inch thick Birch marine ply with half inch wide at the leading edge, then a strip of one and half by one eighth inch steel cold rolled 1020 steel spar. Then a one eighth Birch marine ply lamination on the trailing edge side of the steel spar. On top of that you have another quarter inch lamination on top of that. Then a one eight inch Birch marine ply top skin which is glued to the bottom skin at the trailing edge of the blade to form the profile. They are fixed to the hub bar the same as some of the other types of rotors with steel straps. The cord balance is gaained with a 1018 steel nose weight formed in the profile of the leading edge of the rotor. Trust this answers your question.What you focus on grows. Des Gravin Bullsbrook Geraldton's (southern suburb) W.A.
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Hi Des. Thanks for the description. Monte's blades certainly sound more sophisticated when compared to Bensens. If I understand your description correctly, Monte puts a steel rod in the leading edge to balance the airfoil (front to back) - neat! Bensen puts a lead shaped airfoil protrusion near the end of the blade - crude but effective, I suppose.I've just got a couple more questions, if you please, and I'll leave you in peace...1) What glue does Monte specify? Epoxy, I hope. 2) is the final shape couvered with fibreglass (or the like) or is just varnished? Bensen plans says that is optional... 3) I'm trying to visualize how Monte glues the plywood together. Is it one sheet on top of the other of the other like a stack of boards or is it a jigsaw puzzle like Bensens? Each bit shaped before it is glued together.I'm pretty satisfied the Monte's blades are much more modern that Bensens. Although in sure Bensens blades did the job, I'd hope that the passage of time would bring about improvements.Thanks again; Norm
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Hi Des. Thanks for the description. Monte's blades certainly sound more sophisticated when compared to Bensens. If I understand your description correctly, Monte puts a steel rod in the leading edge to balance the airfoil (front to back) - neat! Bensen puts a lead shaped airfoil protrusion near the end of the blade - crude but effective, I suppose.I've just got a couple more questions, if you please, and I'll leave you in peace...1) What glue does Monte specify? Epoxy, I hope. 2) is the final shape couvered with fibreglass (or the like) or is just varnished? Bensen plans says that is optional... 3) I'm trying to visualize how Monte glues the plywood together. Is it one sheet on top of the other of the other like a stack of boards or is it a jigsaw puzzle like Bensens? Each bit shaped before it is glued together.I'm pretty satisfied the Monte's blades are much more modern that Bensens. Although in sure Bensens blades did the job, I'd hope that the passage of time would bring about improvements.Thanks again; Norm
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Hi Des. Thanks for the description. Monte's blades certainly sound more sophisticated when compared to Bensens. If I understand your description correctly, Monte puts a steel rod in the leading edge to balance the airfoil (front to back) - neat! Bensen puts a lead shaped airfoil protrusion near the end of the blade - crude but effective, I suppose.I've just got a couple more questions, if you please, and I'll leave you in peace...1) What glue does Monte specify? Epoxy, I hope. 2) is the final shape couvered with fibreglass (or the like) or is just varnished? Bensen plans says that is optional... 3) I'm trying to visualize how Monte glues the plywood together. Is it one sheet on top of the other of the other like a stack of boards or is it a jigsaw puzzle like Bensens? Each bit shaped before it is glued together.I'm pretty satisfied the Monte's blades are much more modern that Bensens. Although in sure Bensens blades did the job, I'd hope that the passage of time would bring about improvements.Thanks again; Norm
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Hi Norm, Slight correction in your statement there re the steel, it is 1.5 inch by 0.125 inch 1020 grade flat bar. The glue stated on the plans is wood resin (DAP). I would use techniglue CA from ATL COMPOSITES PTY LTD www.aticomposites.com as recommended to me by a RAA member whom stated, this is what a number of the RAA members use in their wing spar lamination process. The ply is layered/adhered in stack form with pin nails to stop slipage while clamping. There is screws placed through the spar as well at designated intervils. Then the leading edge profile is formed by sanding with a belt sander working the full length of the blade guided by the lines formed by the ply laminates. You choose to paint or risin seal the blades. The flight comparison given by Monte is the wood blades are equated to like driving a cadalac where as the metal blades are like driving a sports car, personaly I can not comment as I have not got to that stage yet. There are things that keep getting in the way and this project keeps getting put to the hold box [
]as other more important things require attention, like earning a living[V]. Hope this helps. DesPS. Monte's coment to me was more new pilots would find learning rotor management easier as the blades are less twichy, this would be a bit like a statment made by Paul Bergan-Abbot in one of his books about control inputs to make them as though you are on Valium slow and gentle like. Haveing never been on Valium I wouldn't have a clue.[^][8D]What you focus on grows. Des Gravin Bullsbrook Geraldton's (southern suburb) W.A.
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Hi Norm, Slight correction in your statement there re the steel, it is 1.5 inch by 0.125 inch 1020 grade flat bar. The glue stated on the plans is wood resin (DAP). I would use techniglue CA from ATL COMPOSITES PTY LTD www.aticomposites.com as recommended to me by a RAA member whom stated, this is what a number of the RAA members use in their wing spar lamination process. The ply is layered/adhered in stack form with pin nails to stop slipage while clamping. There is screws placed through the spar as well at designated intervils. Then the leading edge profile is formed by sanding with a belt sander working the full length of the blade guided by the lines formed by the ply laminates. You choose to paint or risin seal the blades. The flight comparison given by Monte is the wood blades are equated to like driving a cadalac where as the metal blades are like driving a sports car, personaly I can not comment as I have not got to that stage yet. There are things that keep getting in the way and this project keeps getting put to the hold box []as other more important things require attention, like earning a living[V]. Hope this helps. DesPS. Monte's coment to me was more new pilots would find learning rotor management easier as the blades are less twichy, this would be a bit like a statment made by Paul Bergan-Abbot in one of his books about control inputs to make them as though you are on Valium slow and gentle like. Haveing never been on Valium I wouldn't have a clue.[^][8D]What you focus on grows. Des Gravin Bullsbrook Geraldton's (southern suburb) W.A.
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