Forum Replies Created
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Nice looking Bi. I’ve been looking at Ardupilot lately now that it runs on many standard F4 boards. Looking at your example and another RCExplorer bicopter, keeping CG low is a good thing.
Here’s the video of an RCExplorer Bi running ArduPilot I found last night including high speed rearward flight.
Cheers!
LitterBugEZbi rewiring with Matek F405-STD complete. Dual servo feedback tested.
Just need to button it all up and take it to the indoor fly Friday night.
Cheers!
LitterBugLooking forward to V5 myself. I’ve got two Baby Tris and two Mini Tris but have not built one of the larger V# tris. Most of the parts are interchangeable with the Mini Tri so technically I could just put longer arms on one of my mini tris and put the battery tray on it to convert it to a V#. Support for F3 processors is dwindling down, but it is still a very viable flying machine. Here’s RAW, unstabilized, FPV footage from one of my mini tris:
Just think how smooth that would be with a sabilized GoPro or Runcam. 😀 I used two base plates modified with 30×30 FC bolt holes rather than the integrated PDB/FC board to build mine, so it will be easy for me to upgrade to the Kakute F4 V2 FC that @David is now selling in the store.
Cheers!
LitterBugBAM…. And then an explosion occurred:
Mid Re-FC-ification of the EZbi. Pulled The DTFc flight controller/PDB and replaced it with A Matek FCHUB-A5 PDB and F405-STD. Ribbon cable pinouts are different between the PDB/FC so had to manually solder Gnd, 5V, Curr, and VBat. Keeping my HV UBEC for the servos for faster response. Now if I could just find my nano Hex tools to get the @)#($ bolts out of the servos to add feedback…
I’m using the Impossitilts on everything. Baby Tris, Mini Tris, and Bicopters with no issues. I’m using PLA and have my settings tweaked to the point where these things are pretty much indestructible even when trying to break them. Different colors too! 😀 Using high heat for better layer adhesion, .1mm layer height, 100% infill, and fairly slow print rate. All these parts have been printed on a MonoPrice Select Mini V2. (the EZbi plates are only 20% infill)
Cheers!
LitterBugBack to working on both my EZBicopter and RCExplorer Bicopters. Trying to use what I learn from both to make both fly better. Here’s some footage from the EZBi when I had @kevin_erik’s ducts on.
I’ve de-ducted it since then and it flew very well at another event but I did not have my gopro handy.I’ve found that a combination of @Terje’s AKA @dkdarkness Impossible Tilt https://www.thingiverse.com/thing:1035497, and BabyTri Impossible Tilt https://www.thingiverse.com/thing:2869393 has worked best for the EZBi and am currently re-outfitting my RCExplorer Bicopter with the same hardware.
I’ve also found that the DALPROP T5044 props that @kevin_erik recommended for his ducts seem to fly better on the EZbi than the props I have been using even with the ducts removed. They are both light, and have a good profile which gives better clearance around the servo.
Working on updating the EZbi from an F3 based DTFc Flight controller to a Matek F405-STD and adding servo feedback before next week’s indoor fly. Should be interesting to see if there are any differences on either build.
I’ve got all of @jihlein’s latest firmware on the F3FC, DTFc, and F405STD too.
Cheers!
LitterBugWOOT WOOT! Maybe not the best weather to be flying outdoors, but managed to fly for the first time in several months friday night. Packed the RCE Bicopter in and picked up where we left off with nasty oscillations hovering on default PIDs with dRonin. Took a cue from some emails a few months back that it is YAW oscillations, not pitch and dropped Yaw P/I to 15/15 and it hovered smooth as glass. My buddy did a slow motion vid of it hovering before I popped it in to autotune. I’m still running @jihlein’s dRonin branch for my firmware on the F3FC.
Ran out of time to do any more flying, but have another indoor fly coming up later this week.
Cheers!
LitterBugHave a sOAT Impossible tilt mount in the works, and have completed initial testing on whats left of EZbi#2 and with one of @Kevin_Erik’s ducts.
https://www.thingiverse.com/thing:3098210
Cheers!
LitterBugResults from testing the Oblique vs Standard were good. I still had slow pitch oscillations, but didn’t have to touch P/I on any of the Axis to get it there. I need to work on an oblique tilt with the Impossible tilt mount built in. Should be an easy add. That will make for an easy switch to oblique on EZbi#1 with the ducts too.
Cheers,
LitterBugEDIT: Like this:
Man, that looks really clean @jihlein! Makes me wish I would have started with new boards rather than using my old boards that have been soldered up about 6 times. 😀
@Kevin_Erik sent me some ducts to play with, and since it is non-stop raining here again, I had some time to get them set up on EZbi #1.
For the most part, the EZbi flight characteristics match what I have on the RCExplorer Bicopter. I built EZbi#1 with plugs on everything to make changes simple, so it was just a matter of swapping the motor holders for the ducts, with a slight mod to the hole in the duct to allow my wrench to fit through.
Waiting on dryness…. and free time. 😀
Cheers!
LitterBug
