Capt_Kitt's blog - RC Groups
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Posted by Capt_Kitt | Oct 17, 2017 @ 02:15 AM | 1,352 Views
Yep, decided that it was time to add ailerons to my triplane. Itís been crashed so many times that it flys like crap, unless you want to only turn left.
Iím thinking of rebuilding the landing gear with some normal bracing and a plywood plate. It needs to be a little more forward of the CG and have some give to it.
Also, I think that pulling the top wing off and fixing the struts with better reenforcements will make for a smoother flight.
Posted by Capt_Kitt | Oct 02, 2017 @ 06:17 PM | 1,304 Views
The initial flight went pretty good, only issue was that the motor fell off.
Eh, didnít put locktite on the grub screw. No harm was done.

Cuckoo maiden flight (2 min 5 sec)

Posted by Capt_Kitt | Sep 15, 2017 @ 06:31 PM | 1,466 Views
I picked up a really cheap plane from Aliexpress a few weeks ago.
( https://www.aliexpress.com/item/RC-A...311.0.0.fKkv3j )
The link above is where I got it if you want to have a look.
I've never tried to cover a plane with Monokote or anything like that before so this is a first.
A quick work on the kit. The cuts are almost all good, there are a couple of places where you can see that the laser was bumped or snagged a little. Doesn't effect the quality at all.
Be ready for paper CA hinges. I'm not used to them so mine are very ridged and resist movement. I may have to install some Dubro hinges if the servos can't hack it.
The motor mount isn't there and probably wouldn't fit the plane anyway so you will need to scratch build that part.
The instructions are a joke, poorly written and too small to see many of the illustrations. You kind of have to wing it for most of it. Thankfully it's an easy kit....Continue Reading
Posted by Capt_Kitt | Aug 06, 2017 @ 02:33 AM | 1,457 Views
I finally got the micro biplane done and ready for its maiden flight. It weighted in a a trim 44 grams and had lots of power. Sadly it did not end well for this little guy, I suspect the motor was a little too powerful and induced a torque roll to the left and I was not able to recover in time. Total flight time was two seconds. I enjoyed building this plane, the kit was amazing easy to construct and it looked wonderful. I'll build more when I can get good deals on them but after building an all wooden plane I can really see why foam planes have made the hobby what it is today. If this were foam I'd be glueing it back together and going back to the park for another flight. As it is I have a bag of parts that will become another plane someday. I'm not going to post the clip of it's flight because it's only a few seconds long.
I got a comment on my Facebook page about my flight. The commenter noticed that me motor is spinning the wrong way to counter act the inbuilt P factor motor angle. D'oh! I'm always going to be learning new things in this hobby...
Posted by Capt_Kitt | Jul 23, 2017 @ 02:02 AM | 2,666 Views
I finally got around to building my tiny biplane this week. It's was the first solid balsa plane I've ever built and it went together pretty quick. I used superglue and accelerator so I'm guessing that helped a bunch. I know it's not the best glue for wood but it's what I had. The all up weight will be high(42g), it's supposed to use a 1S UMX motor/receiver out of a Champ but I had a AR6400LBL clone that works great.

Here is the link to the plane if anyone is curious:
https://www.banggood.com/TY-Model-NO...l?rmmds=search...Continue Reading
Posted by Capt_Kitt | Jul 01, 2017 @ 12:50 AM | 3,099 Views
This is going to be a Splatfire after the first flight...
So after hours of dodgy printing and way too much super glue, the free Spitfire is done. It was way too tail heavy so I ended up putting an extra battery and $4 worth of quarters in it to get the balance right. I think after the first 'flight' it's going to disassemble itself is a very rapid way.
Btw, here a link to the model:
https://www.thingiverse.com/thing:2349879
Posted by Capt_Kitt | Jun 30, 2017 @ 09:21 AM | 2,920 Views
I printed out the Spitfire and now I'm waiting for a day to fly it.. It's HEAVY! Plus it's tail heavy and it's going to need more nose weight to get the center of gravity close to 33% of the chord. It's more like 45% at the moment. I know that fighters are supposed to have a neutral CG but that's a bit too much. I think the camera might help a bit, and a $1.50 in quarters. The control surfaces are foam board to reduce weight, not sure if it's going to help. I also stuck a washer under a motor mounting screw to give it a little right hand thrust to counter the torque of the prop. This is my first printed plane, its been a blast making it.
https://www.thingiverse.com/thing:2349879
Posted by Capt_Kitt | May 29, 2017 @ 04:18 AM | 2,928 Views
Weird how technology works, one day your glueing wood together to make an aircraft and the next your practically growing one.
I found the files for a Spitfire RC plane and figured I'd give it a go. Nothing much of an update other than that. Oh, I'm using a Malyan M150 Prusa 3 clone for the printing. Clear PLA because that what I had on hand. I'm not expecting much out of this, not even sure if I'll stick electronics on it. I might just assemble it and get the CG set and do some glider tests.
Posted by Capt_Kitt | May 15, 2017 @ 03:30 AM | 2,986 Views
I was at a Goodwill this weekend and found a Greate\ Planes CG finder. It was still in its box and he all the pars. Only $4! I snatched that puppy up and took it home. Works a hell of a lot better than my finger tips!
Posted by Capt_Kitt | May 05, 2017 @ 01:01 AM | 3,279 Views
Built an explorer and rigged it for FPV. should be testing it soon.
Posted by Capt_Kitt | Apr 07, 2017 @ 02:54 AM | 3,652 Views
A while back I ran across some drawings that layer out the proportions that a trainer aircraft should have. I thought that would be a fun little experiment to build a plane based on these proportions.
Wingspan is 500mm, weight is 114g, motor should have 100+ grams of thrust on a 2S 300mA battery....Continue Reading
Posted by Capt_Kitt | Mar 27, 2017 @ 06:33 PM | 4,159 Views
So I bought a little delta arm 3d printer off from a Kickstarted offer about 18 months ago. I put it together this weekend and tried to make it work.
It failed miserably. The calibration of the Z axis it almost impossible due to the fact that the screws that set the stops (!) are under the top limit switches when it finishes a test print. I'm going to go in and edit the gcode to see if I can make it not go home when it completes a print.
The whole thing is very flimsy, it shakes when the arms move.
The wiring management is almost non exsistant. All they did was use 4mm heat shrink long tubes in one or two places along each wire bundle. It's a little rats nest.
Maybe your experience was better than mine was. If you are thinking of buying one be ready for poor results and a LOT of tinkering.
Posted by Capt_Kitt | Jan 03, 2017 @ 02:29 PM | 4,116 Views
I got a Flitetest Dr1 for my birthday a few months ago and I finally put it together.
It went together pretty fast, I was playing the build video and pausing it along the way. If I build another FT kit I'll watch the video all the way through first.
She's pretty good in the air, lots of mush at low speeds tho. Lots of power and the undercambered wing shoots it right up in the air if I give it full throttle. I'll have to add some down elevator mixed with the throttle if I don't want to keep doing tight loops.
Landing is fun but needs a bit of power as, like I said before, it gets a little mushy and hard to handle.
Posted by Capt_Kitt | Oct 04, 2016 @ 07:47 PM | 4,969 Views
A few weeks ago I took a chance and bought a low cost 3D printer from this place called Monoprice ( http://www.monoprice.com/product?c_i...403&p_id=15365 ). It was $199.99 so it was expensive but nothing that would break me. It a rebadged Malyan M200 ( http://malyansys.com/en/?page_id=315 ) and not something that Monoprice produced themselves, no shock there. Definitely not a problem, this is a very common practice for electronics and hardware.
The build area in 120mm x 120mm x 120mm, so that's a 4.7 inch cube of space that you can cram full of PLA, ABS, PETG, nylon.. The hot end goes up to 260c and the heated bed will go to 60c. Ive done a lot of printing with PLA and haven't had too many problems. The nozzle is .4mm so it's plenty small.
I've made a couple of improvements to it. I'm using a cheap iPad mini screen protector on the bed as a build surface, gives good adhesion plus a glass like finish on the prints bottom. I new extruder because the original one broke. The arm gives out and cracks, they know it's a problem so they give you another one as a spare part. And I've printed a new knob as the stock one it too smooth and is hard to turn.
I'd recommend this as a basic intro printer but be ready to do some tweeting and adjusting to get good results. And like any tool, you need to keep it clean. A fouled nozzle can cause all sorts of problems.
Im looking to print out some plane parts, I need to brush up on my modeling skills so I can make my own designs.
Posted by Capt_Kitt | Aug 30, 2016 @ 05:04 PM | 4,400 Views
I decided on giving my hat cam v 1.0 an upgrade. Gone are the days of 'hook and loop' and the 808 #16 camera. Long live the Turnegy HD action cam and GoPro knock off parts!
Pretty self explanatory, the plate is from a headband ($6 from Frys Electronics) minus the elastic bad plus four small zip ties.
Posted by Capt_Kitt | Aug 26, 2016 @ 07:32 PM | 5,030 Views
On a whim I decided to add a few lights to my new A600. I picked up a bunch of self blinking water clear white LEDs a while back and thought that they would go well on an airplane.
I used white strobe and a navigation light on the underside of each wing tip, a bright water clear white on the LE of the left wing as a landing light, and a self blinking water clear red as a position light on the underside just aft the battery door. The red and gree navigation lights were some high brightness four pin LEDs that I picked up from Radio Shack a few years ago. Everything else was gotten through either Amazon or Banggood. The nav and strobes are all on the CG so my balance shouldn't be too far out of whack.
The lights are hot glued in place and the wires (30awg) are red and blue wire wrap wire.
They are all powered from he B+,B- pads on the receiver board, it provides a nice 5V source. The total load maxes out at apx 60mA.
Posted by Capt_Kitt | Jun 28, 2016 @ 11:54 AM | 5,083 Views
My progress on my Flite Test inspired micro Old Fogey is moving along well.
I was going to power it with a the guts from a Carbon Cub SS but I realized the weight hit would be too much so I went with HZ Champ parts.
I'm using 20mil maple veneer as reinforcements on the foam, first time using it on a plane/ feels strong, let's see if it is.
UPDATE:
I've painted the wing with some sporty stripes and fitted the receiver and control rods. I used some of that veneer for the connectors. I hooped them up with CA to harden them a bit. The movement looks good, I'm hoping she won't be tail heavy. So far the AUW is 38g.
I've got some fancy black foam board wheels on a wire mockup that I'll finish tonight.
UPDATE:
Wheels on the UC and its all glued/rubber banded in place. AUW is now 46g.
UPDATE;
The micro will fly but the Dutch roll is pretty tremendous. I could hardly keep any sort of directional control when flying. It landed hard and snapped the nose off....Continue Reading
Posted by Capt_Kitt | Jun 20, 2016 @ 07:42 PM | 5,351 Views
I suppose I'm the last guy to find this out but once you hit the 'order' button on the HK website there is no going back. I did that with this 'gem' of a plane. It looked like a good deal at the time...
The 680mm DeHavilland DHC-2 is a good looking plane, a little 'chunky' because of the kind of foam used doesn't lend itself to thin airfoils, but its a pleasing scale plane. The tail is a bit thick but that shouldn't be too much of an issue, well you wouldn't think it would be.
Assembly was fast, nothing was much of a surprise and hardly any left over parts!
It balanced out well with a 2S 500ma battery in it at the specified CG point so I figured I was good to go.
Upon takeoff the elevator was very pitch sensitive and it needed a lot of airspeed to stay aloft. Too much for my tastes, at least on a maiden flight it was. The ailerons were ok, no rolls but I was able to make banking turns with little effort. Rudder was good as well. Elevator, as I said earlier, was squirrely as heck. Just before my 'landing' I hit the switch to low rates in a hope that I was just being too heavy on the stick but all that did was drastically reduce the suckers ability to climb. As a result I made a textbook two foot landing. Would have been great if it was a STOL plane but it wasn't. Busted the prop and put a couple of dings in it but nothing serious.
I just could not keep the airspeed down to save my life, I think its a combo of it being too heavy and the CG not being what it said in the book. It deserves another chance before I get rid of it, maybe I can cut some weight out of it somewhere. There is a slug of metal under the cowl that I might yank out. A bigger battery farther fore might balance things out.

DHC-2 Beaver Maiden (1 min 6 sec)

Posted by Capt_Kitt | Jun 01, 2016 @ 12:31 PM | 4,775 Views
My GF and I stumbled across a new flying site on Monday. Looks like the east parking lot of ASU West is free for RC use on the weekends. Quite a few people out there, glow helicopters and planes, electric foamies, EDF jets... It will be fun to actually try to make good landings for a change. Usually I'm happy when I can set something down on short grass or dirt and it only flips over once.
Posted by Capt_Kitt | May 17, 2016 @ 06:24 PM | 4,929 Views
So I'm trying to see video from my cute little Quantum Elite Camera TX combo that I got a few days ago. It works great on my Eachine VR-007 goggles but hardly works on my home brew system. The homebrew station consists of an LCD screen and a Boscam RC805 receiver powered from an S3 2200mAh battery. It works great with my little 20mW homemade (Boscam TX and generic micro camera) rig that I soldered together a few weeks ago. Plus the homemade Tx works with the Eachine perfectly.
The problem is that when I go to a channel (band E from what I can tell) the picture locks and stays steady for about three seconds and then drops to snow for a second and repeats. This happens on every channel I try.
The batteries are full, antennas are matched, everything looks like it should check out.
I'm pretty keen on using the Quantum because it's got built in power filtering and is a more compact bit of gear. The Rx station I made mounts very well to my DX6i and I'd hate to have to tear the VR-007 up to adapt it for my use.