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Search results
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Van's Aircraft Laser Cut Hole Fatigue Analysis
if its the HAZ causing the cracking,it should be possible to do a manual scratch test with any hard sharp blade(carpet knife,etc),destructive yes ,but these are reject parts,and its a basic metal working 101 skill to learn,sometimes done with a file. so scratch towards and away from a laser cut...- dog
- Post #6
- Forum: Aircraft Design / Aerodynamics / New Technology
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bound vortex rings
mount etna blowing smoke rings shorter video,with just a few seconds showing the bound vortex traveling around the ring in a close up- dog
- Thread
- Replies: 0
- Forum: Aircraft Design / Aerodynamics / New Technology
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Craig Cato's New Propellor Gave Us Insane Results! | Whisper Sling Prop Test
hey,wow! you are living the life! and I am interested in learning anything that I can from what I do know,the prop in question is notable because,it is physicaly thin and light and has a complex curvature(not just the airfoil) in the plane of rotation,the pitch adjustment mechanism is appealing...- dog
- Post #27
- Forum: Aircraft Design / Aerodynamics / New Technology
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Aeroplane not good for launching ?
LTA to orbit,hypersonic airships with actual prototypes https://www.jpaerospace.com/ATO/ATO.html- dog
- Post #28
- Forum: Hangar Flying - Off Topic
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Craig Cato's New Propellor Gave Us Insane Results! | Whisper Sling Prop Test
just check out the "gadjet" that sets the pitch angle on all three blades useing ,one plate,one shim,and one bolt claims pitch accuracy to within a few minuits of target add in the mention of blade twist change with different power settings,and then imagine the exactitude of each production...- dog
- Post #20
- Forum: Aircraft Design / Aerodynamics / New Technology
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Craig Cato's New Propellor Gave Us Insane Results! | Whisper Sling Prop Test
and this time you are missing ,what might be the "exception that proves the rule" the prop in question is truely a work of art and has to have been built to almost unprecidented levels of accuracy compared to any other small aircraft propellor and its planoform is well outside of anything else...- dog
- Post #8
- Forum: Aircraft Design / Aerodynamics / New Technology
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Blended wing ACs are coming !
interesting how some of the shortest responces I have gotten are also the most informative and usefull thanks!- dog
- Post #72
- Forum: Hangar Flying - Off Topic
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Blended wing ACs are coming !
Why? for these reasons the mission that the current blended wing aircraft under discussion,involves,very specificly,introducing regional jet traffic into airports that are currently home to many small aircraft including homebuilts the configuration attempts to address major hurdles ,noise...- dog
- Post #52
- Forum: Hangar Flying - Off Topic
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Anti-ice for experimental.
per rain x chemical compatibiliy we can add anything in or on a car,or they would get sued,black and blue question now becomes ,does rain x use the soon to be banned poly florinated "forever chemicals" and what other aviation chemicals are going out in the same legislation there are other...- dog
- Post #117
- Forum: Aircraft Design / Aerodynamics / New Technology
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U.S. Senator Calls Out FAA For ‘Major’ National Security Breaches
it is still up to us to defend and debunk attacks on general aviation made by people with regulatory powers looking for scapegoats all of our airports are prime targets for "de -zoning" and"re-development" at the hands of politicians and beurocrats they just need talking points,chem...- dog
- Post #13
- Forum: Rules & Regulations / Flight Safety
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Blended wing ACs are coming !
not my thread,but it is an interesting configuration and is proving to be a good illustrative example of various airodynamic and other factors in aircraft design the particular model being discussed,put the engines on top for noise abatement,which also puts the fueselage low enough that the...- dog
- Post #38
- Forum: Hangar Flying - Off Topic
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Blended wing ACs are coming !
30°sec looks too fast for large aircraft and 45° bank angle is too low roll rate is altitude dependent and bank angle looks to be software limited to ~ 75°+ the mission set out for the aircraft under discussion is centered on bieng able to get larger aircraft into smaller airports ,closer to...- dog
- Post #36
- Forum: Hangar Flying - Off Topic
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U.S. Senator Calls Out FAA For ‘Major’ National Security Breaches
drug runners just steal planes,fly low,drop the stuff one place,land somewhere else,get picked up then someone buys the plane back from the feds and the cycle repeats homebuilts not so much,they want twins and now they are useing drones,which will get bigger and faster drop the stuff in the...- dog
- Post #8
- Forum: Rules & Regulations / Flight Safety
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Blended wing ACs are coming !
its way,WAY,easier than that we only need to know what is the permissible roll rate for a large comercial pasenger aircraft and then compare numbers based on radius,raidians/sec² your formula would be used to figure all that out on a hypothetical aircraft,for which even the downtown boys are...- dog
- Post #22
- Forum: Hangar Flying - Off Topic
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Blended wing ACs are coming !
more interested in allowable roll rates for commercial 20' off center @ what roll rate?and to what bank angle? then we have one data point! personaly I like aerobatics!- dog
- Post #17
- Forum: Hangar Flying - Off Topic
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U.S. Senator Calls Out FAA For ‘Major’ National Security Breaches
ships, shipping cans full of frp plastic chairs that are a composite of fibreglass,plastic,and cocain resin or any of literaly thousands of ways to disguise drugs or weapons,"designer" crud,human traficking(by the plane load) no end to it and recent event where it was revealed to me that the...- dog
- Post #5
- Forum: Rules & Regulations / Flight Safety
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Blended wing ACs are coming !
the general configuration of blended wing aircraft has been tried and abandoned ,several times,simply because the further that seating is from the center of the aircraft the much greater movement in banking turns,which is fun if you realy realy like airobatics ,roller coasters,etc and instovomit...- dog
- Post #4
- Forum: Hangar Flying - Off Topic
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Report: Boeing 'Put Wall Street First, Safety Second', Creating 'Yearslong Decline of Safety Standards'
and more whistling this time from fueselage gaps https://www.seattletimes.com/business/boeing-aerospace/new-boeing-whistleblower-alleges-serious-structural-flaws-on-787-and-777-jets/- dog
- Post #18
- Forum: Rules & Regulations / Flight Safety
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Report: Boeing 'Put Wall Street First, Safety Second', Creating 'Yearslong Decline of Safety Standards'
https://www.ft.com/content/870be064-5bd3-4595-951c-0c289ac9088b calhoon gets a 40% raise to his 30million paycheck- dog
- Post #16
- Forum: Rules & Regulations / Flight Safety