Why some paramotors fly faster than others? Paramotor geometry part 20.1
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- čas přidán 23. 07. 2024
- You know that some paramotors fly faster than others, just because of frame geometry!
Most pilots choose the options which is less efficient, slower and even less safe!
Let's watch with us at design options that paramotor designers have!
Stay with us and you will learn more!
Feel free to have any question at info@scoutparamotor.com
Topics that will be covered in this classroom:
*Please, be aware that we are adding videos each week, so there can and will be changes to this list.
1. Intro: Searching for the ultimate best paramotor - what is or will be your flying style?
2. Paramotor suspension, part 1: Why suspension is the most important characteristics of a paramotor?
3. Paramotor suspension, part 2: Why weight-shift is more fun and more safe?
4. Paramotor suspension, part 3: How much weight-shift authority you get from your paramotor?
5. Paramotor suspension, part 4: Pitch stability under power
6. Paramotor suspension, part 5: Speed bar behavior
7. Paramotor suspension, part 6: Ground-handling and running with a paramotor
8. Paramotor suspension, part 7: Comfort in flight
9. Paramotor suspension, part 8: The sectret questionmark suspension.
10. Paramotor suspension, part 8: The big comparison of paramotor suspension systems
11. Torque: Why and how much torque we face?
12. Torque: Why don't we use counter-rotating propellers?
13. Torque compensation on high suspension paramotors
14. Torque compensation on medium and low suspension paramotors
15. Torque: SCOUT Dynamic Torque Compensation.
16. Comparison of torque compensation systems
17. Gyroscopic effect on paramotors
18. Geometry of the paramotor frame, part 3: Why being reclined is dangerous?
19. Geometry of the paramotor frame, part 1: Why being reclined is inefficient?
20. Geometry of the paramotor frame, part 4: Big comparison of paramotor frame geometry
21. Harness geometry, part 1 - getting in and out of the harness
22. Harness geometry, part 2 -Why some harnesses are more comfortable than others?
23. paramotor safety, part 1: Load test of paramotors
24. paramotor safety, part 2: Attachment of the gooseneck bars to the main frame
25. paramotor safety, part 3: crumple zones and back protection
26. paramotor safety, part 4: Beware of getting the throttle cable into the propeller
27. paramotor safety, part 5: propeller clearance
28. How much power do you need?
29. Standard 125 cm prop or larger?
30. How much does weight matter?
31. Do you need a clutch?
32. Electric starter or manual?
33. How important is aerodynamics of paramotors? fuel tank hanging low
34. How much fuel capacity do you need?
35. What is the ideal paramotor for tandems?
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Just as an FYI, the air conception has the tilted prop in their delta frame but not on their "race" frame. It's awesome that you pointed out that the tilted prop takes a bit more skill to launch. I had been wondering if you would describe that characteristic but as usual, you took the route of full disclosure, well done.
Also, I'm still loving this series.
WoodysGamertag I chose the delta frame for that reason. The motor is slightly lower as well. So far really I enjoy the estart, clutch and weight to boot over my previous motor.
I love your classroom Miroslav! Thanks for sharing your insights.
another great video. keep up
Love this series... can you do something around “general” wing designs?
I'm hooked on these videos and I don't even fly. I want to someday tho
Maybe would it be possible to design an adjustable system buy a handle or something to change the angle between seat and para motor and therefore get a take off position and the cruise position and The Best of Both Worlds
I had hoped wing selection might have come for this topic too but I guess it all starts with getting the engine and harness setup correctly :)
I also though you might discuss gyroscopic precession here..
anyhow, interesting as ever :)
The gyroscopic precession is a cool effect but a bit overrated. It does not affect flying that much in the end...
It's an easy thing to get lost in the details and geek off to the possible tech etc. I do like your pragmatic approach to your solutions :)
I want a design with the measurements of a plane that includes two people
Miroslav -
Your analysis is based on an assumption that the back of the pilot is always positioned against the front plate of the frame! Basically, you assume that the back of the pilot is pressed against the frame.
Yes it is - on most paramotors. But this happens only because the motor and the frame have their own CG situated _behind_ the axes of the bars (I am speaking about the moving type of bars). So the motor+frame have a tendency to rotate (fall) down on this axis until the frame meets the pilot's back (should I say: butt?).
However, the axis of the bars can be shifted backwards (like I did on my installation), so the common CG of the motor+frame(+fuel tank+prop) is almost _directly_below_ the bar axis. So when I take off, the frame is against my back. But when I fly, the frame is hanging vertically by itself due to pendulum effect and NOT aligned with my inclined back!
In fact it is a bit more complicated, but the point is: you can fly comfortably inclined and with the frame not being against your back, but hanging automatically in upright position due to the gravity! Just move the axis of the bars a little back.
I personally have advised some pilots to shift this axis back, having their frames less prone to incline.
What would you say?
PS. There are interesting PAPP frames, with thrust vector ABOVE the bar axes. These frames flip vertical under high power, while reclining on idle.
ahem.....! was the title...speed of the glider?? the tolt is all...nothing about the canopy,angle,trims???
sure glider type and size is major factor
In this video we discuss frame geometry only and assume all other things being equal: same pilot, same glider, same weight, ...
Need to fix title, not "then" should be "than".
Thanks. Done.
First I was impressed, but than I concluded you must be wrong. Speed of the paragliding unit does not depend on the engine but on the wing primarily, otherwise you would fly faster with stronger engine what is not the case. You must know that since you are smarter than me, so I wonder why you are screwing us?). Tilted propeler (90o) may make you hop and down when you change rotation speed, but does not make you fly faster as you claim.
Tilted propeller provides vertical thrust, therefore unloading your glider by a few kilograms. Less load means slower wing. This was explained in one of previous videos.
Love this series... can you do something around “general” wing designs?
Our field of expertise building paramotors. Yes, we would love to have such series on gliders too. Hopefully someone would do soon