I spoke with Michael from Florida Drone Supply. We believe that one prop is likely the issue. They're going to ship out a new set of the non-folding props and test the ones I am returning. Great company to work with.
I've been interested in these props as well. I think I had seen somewhere that they are a bit heavier (I don't recall how much). Keep in mind dji designed the I2 with the the props it comes with and don't offer folding props (yet). It's for a good reason. Folding props are generally heavier and the added rotational forces applied to the motors causes a slight delay with spool-up/down. This slight loss of responsiveness (measured in milli-secs) plays havoc on the MCU's and additional strain (heat) on the motors.
The slight slack (with in intended design tolerances), or even excessive slack does not effect spooling.I believe it, but can't be much worse than props so loose they make noise when you push on them in either direction. Mine is recently purchased with foam in the props as well.
I've been interested in these props as well. I think I had seen somewhere that they are a bit heavier (I don't recall how much). Keep in mind dji designed the I2 with the the props it comes with and don't offer folding props (yet). It's for a good reason. Folding props are generally heavier and the added rotational forces applied to the motors causes a slight delay with spool-up/down. This slight loss of responsiveness (measured in milli-secs) plays havoc on the MCU's and additional strain (heat) on the motors.
LoL. Thanks.
It's a mess right now. Too many projects at the same time and it doesn't help that I use my shop for all of my hobbies and my mountain bikes.
The main advantage for folding props for me is speed and portability. It's only a matter of time before BeStem or someone else makes a landing mode backpack. That's what I like to use because I can then take my I2 on my back while I ride my bike. I'm typically not at a clean, flat place when I'm ready to fly since I'm riding in the woods and in rocky places. I need my I2 to be completely ready to go when I unpack. Landing mode, gimbal attached and props attached is an enormous help.
As an aeronautical electromechanical engineer of 15yrs so I am legally bound to facts. Here's a basic 101 book to help bring you up to speed:I'd like to see some intrinsic verifiable data on this. There are a variety of reasons DJI doesn't offer folding props. To imply it is because of some inherent danger or wear and tear factor is misleading and unproven. DJI doesn't offer medical services either or F1 driver training, but does that mean they are dangerous? Sorry, but I don't buy your theory. Provide supporting info and your on to something but right now you're sort of stating an opinion but presenting it as fact.
As an aeronautical electromechanical engineer of 15yrs so I am legally bound to facts. Here's a basic 101 book to help bring you up to speed:
Motors & Drives: A Practical Technology Guide
You do know that DJI sells a drone with folding props right? The Mavic, and Matrice series. I don't know but maybe their engineers have 16 years of aeronautical electromechanical engineering behind them. Who knows, or cares for that matter. My folding props work just fine and if they don't I will simply: 1. Replace them, or buy a brand new I2. I don't worry about inconsequential things.As an aeronautical electromechanical engineer of 15yrs so I am legally bound to facts. Here's a basic 101 book to help bring you up to speed:
Motors & Drives: A Practical Technology Guide
Here is a video of my I2 using the folding props I purchased from @Florida Drone Supply. I do believe @jt20165 has a bad prop. This was about 8 feet off the ground and it was a little breezy. I had my fingers off the sticks while this video was shot.
I'm not quite sure what you are trying to prove. Are you happy with the stability?Here is a video of my I2 using the folding props I purchased from @Florida Drone Supply. I do believe @jt20165 has a bad prop. This was about 8 feet off the ground and it was a little breezy. I had my fingers off the sticks while this video was shot.
You do know that DJI sells a drone with folding props right? The Mavic, and Matrice series. I don't know but maybe their engineers have 16 years of aeronautical electromechanical engineering behind them. Who knows, or cares for that matter. My folding props work just fine and if they don't I will simply: 1. Replace them, or buy a brand new I2. I don't worry about inconsequential things.
As an aeronautical electromechanical engineer of 15yrs so I am legally bound to facts. Here's a basic 101 book to help bring you up to speed:
Motors & Drives: A Practical Technology Guide
I'm not quite sure what you are trying to prove. Are you happy with the stability?
Just trying to help out these props maybe a good addition for the Inspire.You do know that DJI sells a drone with folding props right? The Mavic, and Matrice series. I don't know but maybe their engineers have 16 years of r aeronautical electromechanical engineering behind them. Who knows, or cares for that matter. My folding props work just fine and if they don't I will simply: 1. Replace them, or buy a brand new I2. I don't worry about inconsequential things.
Just thought I'd add my experience to the discussion.
I recently purchased the HeliEngadin folding props through Michael at Florida Drone Supply.
I was concerned about stripping the bolts. After purchasing a set of Wiha torx screw drivers, I carefully removed each bolt after using a hairdryer on high for 20 seconds (each bolt). I experienced no problem removing the bolts but did need use both a #9 and a #8 torx as the DJI supplied bolts were clearly from 2 separate batches. It took less than 10 minutes.
Cautious based on discussion forum reports of initial shuddering and diminished control, I flew the Inspire 2 this morning. I straightened the props and the initial vibration was minimal. I received no error messages, and the I2 flew well over the marsh and beach between 8 and 150ft AGL. I could not detect a control difference with either the original or the new set of props.
The folding props did however seem somewhat quieter.
While everyone may not have the same experience, I wanted to share mine. I am very pleased and impressed.
Hope this helps.
Barry
Thanks for the review Barry...glad you are liking them!Just thought I'd add my experience to the discussion.
I recently purchased the HeliEngadin folding props through Michael at Florida Drone Supply.
I was concerned about stripping the bolts. After purchasing a set of Wiha torx screw drivers, I carefully removed each bolt after using a hairdryer on high for 20 seconds (each bolt). I experienced no problem removing the bolts but did need use both a #9 and a #8 torx as the DJI supplied bolts were clearly from 2 separate batches. It took less than 10 minutes.
Cautious based on discussion forum reports of initial shuddering and diminished control, I flew the Inspire 2 this morning. I straightened the props and the initial vibration was minimal. I received no error messages, and the I2 flew well over the marsh and beach between 8 and 150ft AGL. I could not detect a control difference with either the original or the new set of props.
The folding props did however seem somewhat quieter.
While everyone may not have the same experience, I wanted to share mine. I am very pleased and impressed.
Hope this helps.
Barry
i didn't want to say anything, but the movement that you're seeing there is exactly what I was seeing...Could it be better... yes, am I happy ...yes. My video was posted with reference to post # 139.
Since you took the time to show the stability of the HeliEngadin folding props on your I2 I decided that I would take a video of the stability using DJI's props. I thought that it would be fun to shoot, with my Olympus 45mm (90MM full frame equivalent) at close range, the camera I used to film the I2. The distance from the I2 and the Panasonic is around 8 ft. Accordingly, any movement by the I2 is exaggerated by the close proximity of what it is filming.Here is a video of my I2 using the folding props I purchased from @Florida Drone Supply. I do believe @jt20165 has a bad prop. This was about 8 feet off the ground and it was a little breezy. I had my fingers off the sticks while this video was shot.
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