Trike ideal thrust line. Paramotor geometry part 36
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- čas přidán 6. 07. 2020
- Why most of the trikes have the thrust line parallel with the ground? We don't know that, but we do know how it should look like and how it should be oriented for the best takeoff and in-flight characteristics.
In this Video, Miro explains how the ideal thrust line angle should look like and why it is so!
Topics that will be covered in this classroom:
*Please, be aware that we are adding videos each week, so there can and will be changed 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 characteristic of a paramotor?
3. Paramotor suspension, part 2: Why weight-shift is more fun and safer?
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 secret question mark 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. The geometry of the paramotor frame, part 3: Why being reclined is dangerous?
19. The 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?
Stay tuned! Did we miss something you want to learn?
Please, leave a comment...
Feel free to have any question at info@scoutparamotor.com
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Hey great video! Literally everything you said is correct however, the simplist solution for the 90% of trikes made with a completely horizontal thrust line is to just swap out the front tire to something smaller and/or use larger diameter ones on the rear. After that, do what you should already be doing regardless and conduct a hang test for in flight pitch. Keep up the good work! Maybe one day we won't have to watch as many people at the field ball up their wing when they roll on power, lol.
I thought I had that great Idea to change the Thrust line with bigger rear wheels, but you had it before me. Good on you mate :)
The only other trike I've seen do this is the Fly Products Vertigo. Definitely makes a tangible difference. Glad this is being addressed
The thrust angle in the air is TOTALLY independent of the thrust line on the ground and NOT affected in the way described here. You set your hang points to give the in the flight thrust angle required. You set the geometry of the trike to set the thrust angle while on the on the ground. The 2 are not connected.
yep...
TOTALY AGREE WITH YOU ON THE DEGREE OF ANGLE THRUST WITH A TRIKE HAVING BUILT MY OWN PPC USING THE PRINCIBLE IN THRUST LINE. MINE WORKS FINE...
@@meow121.5 who said his isn't safe??
I just bought a Trike Buggy. Thank you for this excellent demonstration. I will make changes.
why not show a video of it with correct trust angle?
Great advise. Makes total sense. Will adjust angle.
How?!!! there is not an "angle adjuster" on most trikes....
Gracias
On my converted from delta paratrike I came to this conclusion after, well, quite a lot of try and err and a lot of thinking (though I didn't fly it near that often compared to my foot launch). Thanks! Waiting for more!
Love the airflow tattoo.... and the videos
Hmmm, good to know. Thanks.
Still no Scout trike to be seen anywhere on the Scout Aviation Channel ...... WHY ????!!!!! Most potential Scout customers cannot run with a two stroker in their backs. Wheels are needed. Light and minimal. Love Scout.
What I've learned here, is that you should really trust Miro...and all of his angles.
You had a photo of a Power2fly Colibri trike with 90 degree thrust line. Since the colibri have adjustable thrust line I would say it is by no fault of the manufacturer but of the pilot.
Greate info and good work with these geometry series videos!
Thank you, for all your professional and educational videos. I'm hoping to become a Scout dealer in the future.
Are you an instructor as committed to deliveril best service to your students as we are passionate about building paramotors? Then we would be a dream team:-) get in touch at miroslav@scoutaviation.com
Great info! I always wondered why the Thrust line of a trike is different than a foot-launch.
Very interesting! Will you have footage of the Scout trike doing an inflation at some point?
Yes we could. I did not include it here as I try to keep these videos educational and as little commercial as possible. Yes, of course its hard not to be biased.
@@miroslavsvec it's your channel so why wouldn't it be a scout lol. I just wanted to see your trust angle in action so I can thrust what your saying
@@gregson99 *you're
@@ekrium you miss 1 you're and someone's gotta correct ya. ha.
@@gregson99 such is life
Thanks bro...
The airparamo grazzhopper uses the forward thrustline as well
My adventure funflyer v1has also the right setup . Takes off and flys very wel , old but still good
I really enjoy your class-room keep up the good work, i can't wait to see the next video. About the reclined angle, if mounted abit longer main bar, you'll be able to fit an extra fuel tank and be as reclined as you want ( look at the flyproduct Vertigo example) . make that trike with medium goosebar hangpoints, the correct angle of the propeller, and trourke compensation, and take my money ;) . Let's get into the next classroom soon plz :) Would be pleased to hear your thing about active/ dynamic flying on trikes, we´re a few people out here who cant foot launch, especially with the Scout setup
Been waiting 3 years for Part 37
Great video and I've watched and took everything onboard ...the thing is Ive been flying trikes for some ten years paramotors for twenty , and all of the trikes I've flown are straight upright or even reclined back around 5 degrees. Yet I have never had any issue with bad inflation of any of my wings or any issue with my takeoffs ( many videos available ) so I am wondering is everything I've done totally wrong and i am a one take off from death ? could you explain why I am not having any issue ...also what I don't also understand clearly is lets say i was flying along and my prop is perfectly up/down then i hit full power i will accelerate and the wing will drag back causing me for a moment to in effect lean back putting me into a dangerous angle
I don't disbelieve anything you say ....but perhaps I hold reservations
Replying to myself and just to let others know ! I’m still flying my trike and its still leaning back a little bit ( on the ground and in the air ) still having no issue with my take offs and have therefore come to the conclusion it makes no difference AT ALL if when on the ground the motor is leaning forward , straight up, or leaning back …..so in this aspect your wrong ! I’m afraid I have carried out extensive real world tests …and not in the classroom or on the blackboard
any videos to see the difference? thank you.
I didn't see the question asked, so I will. Is possible or practical to modify engine mounts somehow to gain the 10 degree or more incline?
Great videos keep up the good work. One question I have is It doesn't have anything to do with a thrust line it has to do with a propeller. Do you think putting a propeller and a duct would help with thrust and noise Possibly getting more thrust and less noise for the same amount of power putting into it or possibly less energy going into it. Looking forward to hearing from you thanks Mike from the USA
Mine is a home built and it used to be an about 75 degrees. I had a lot of trouble with propwash on takeoff I changed it to 90 degrees and it is much better now I can't speak to the efficiency of my flight but it seems fine to me
Waiting
Seems to only find this one call about trikes, did the class end before all lessons were publised?
So should I do my hang test and then set my prop angle at 90 degrees. I made my trike so you can adjust it from 6deg to 13 deg
Could you talk about the seat of the trike? Better a normal ppg harnes picked on the trike? Or better to mount a independent seat with seat belt?
As long as it is safe, choose what is more comfortable. To me, a harness is always more confortable than a seat. Even passengers feel more secure as the harness hugs the body more tightly.
WHERE is part 2?
How about adding some more trike videos trike becoming more popular Compensating talk on a track Thanks
Correct me if im wrong but if you are leaning forward by 20 degrees on the ground you will still be in the same uncomfortable position as what you are in the air because the tike and engine dosent move as its all fixed you pivot on the arms or hang point so you still will be uncomfortable in the air now if you had and adjustable engine to change the angle between fly and take i could understand but it dont 🤔🤔🤔
The whole trike will lift the front wheel after take off and lean backwards
It depends on your wing hang points once suspended by the wing. More weight behind hang points your nose will raise and vice versa.
Just take a picture of a trike landing just before touch down. Then you will see, that the front wheel is a bucket size higher than the rear wheels. You can simulate that with a simple hang check :)
Meu sonho é ter uma dessa mais moro no Brazil e é caro se tiver uma ai de test manda pra cá uma estrutura #TAMOJUNTO
wrong in the air? you move your hang points to adjust the angle of your dangle. and the upward air thrust would still hit the wing as it comes up. it just hits it later.
Great videos, but 90%+ are not parallel to the ground. They are angled forward.
Bad inclination of the trike in flight comes from wrong balancing. It can be balanced to be level in flight, so the prop will not face up
Well, speaking of things trikes do wrong... what's the aversion to caster front wheels? This way the trike would tend to follow the direction of the wing 'automatically' wouldn't it? Some do this, and it makes sense to my feeble brain. Yeah sure there's a pilot on board that should be doing that anyway but still... ?!?
90 degrees, everything is fine: czcams.com/video/SfcBNHMUoaY/video.html
So what happens if you lose your motor?wont you hit nose first with out having trust from your motor
Think first, then ask :)
All this change for an un-noticeable difference.
This may be hyperbole, but all these trike manufacturers reply to this video by saying "We've built these for years and never had a problem", then the cycle of crap continues.
This is nothing new, it's a basic rule of thumb in paramotor trike construction. I haven't seen a trike in a long time that doesn't have it!
Hey dude.......THRUST line....THRUST line :O)
(not trust line)
It's just his accent. He's from Slovakia
@@someguy7258 its also an error in the title, lol.
Yes, my bad.
@@miroslavsvec you're good bro! Don't worry about the haters. LOL. I will be starting up my own paramotor company very soon. I don't work with carbon fiber though. I am an aluminum man by trade! I would absolutely love to be able to join you on one of your epic Iceland adventures in the near future! I admire your knowledge and your talent when it comes to engineering paramotors and your passion for aviation! I would very much like to sit down and BS with you about paramotor designs and all the technical stuff as well, if you would ever be interested in doing that of course. I think we are already friends on Facebook, which is where I use my real name and not this anonymous title of "Some Guy." LOL. The anonymity on CZcams allows me to have some fun and be a smartass without any of the negative repercussions when the people who I mess with figure out who I am. LMFAO!
@@someguy7258 no I don't think the was any hatred in the comment. I am grateful for notifying me.
Good luck with your new paramotor design. Your already have the prototype?