Messerschmitt Me-163B-1a Komet (Kraft-Ei) - Page 5 - RC Groups
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This thread is privately moderated by Herb, who may elect to delete unwanted replies.
Feb 11, 2012, 08:42 PM
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more pics
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Feb 11, 2012, 11:29 PM
Registered User
Hey Herb,
Glad to hear all went well, any chance we'll see the video?
Oh! what did you come up with for the dolly, did you do a drop off or just fixed
for the first flight ? I'm sure best judgment went with fixed and we'll sort out the dolly later.
Your bird looks great, Good Job !

Feb 11, 2012, 11:42 PM
SoCal, Year Round Flying!
bmiller's Avatar
Nice bird Herb!
sorry I missed the flight, perhaps tomorrow?
Feb 12, 2012, 01:41 AM
Lithium Member
Herb's Avatar
Thanks for the comments ! :-)

Fixed gear for now to see how it handles, droppable dolly maybe later.

Bobby took some video but the best part - the beginning i.e. the first two minutes or so - ended up just being blue sky and cool noises

I think Guy must have gotten the whole flight with better camera work.

Feb 12, 2012, 12:07 PM
Registered User
Good morning Herb,
Well, the thing flys great and looks fantastic in the air.
Looks like a fair amount of reflex but, what ever it takes.
Great job ! How did it handle, looked quite stable and tracked well.
Oh! fire the camera man ;>)

Feb 12, 2012, 01:52 PM
Lithium Member
Herb's Avatar
Second camera video

Video taken and edit by Guy Hahn ... Thanks Guy !!

Watch full screen in 1080HD .


Me-163B-1a Komet (FlyBoys) electric (3 min 40 sec)
Feb 12, 2012, 09:58 PM
Registered User
Great video!
Hold on to that camera guy.
Looks like the flight went very well and the 163 is a keeper.
This thing is some kind of fast ! hope mine does as well.
Good job !

Feb 12, 2012, 10:51 PM
Registered User
Joespeeder's Avatar
Hi Herb,

Yeaaaaay!! Great to see another Komet in the air!!

Feb 12, 2012, 11:05 PM
Lithium Member
Herb's Avatar
Hi Thanks !

There's a second (good) video coming from today's flights

On the one above the esc overheated a bit and that was kind of an emergency landing.

On today's first flight I ran the pack almost empty (actually I have a very safe high voltage cutoff on he lipos) - so that was another emergency landing with a full 180 nice flat slow turn with no power left

The next video should show the classic Me-163 takeoff, flat first then up to the visibility limit at a 70 degree climb angles.

On the second flight today I was having so much fun that I smoked the motor, ignited the 100A esc and set Galland's feet on fire .

All is well though and I am getting a new motor !
Feb 13, 2012, 02:40 AM
SoCal, Year Round Flying!
bmiller's Avatar
I was happy it didn't catch fire as we ran to it!
The smoke out the back was a nice effect!

It's get a speed reading on it?
Feb 13, 2012, 01:33 PM
DS will change your life
SpeedsterDEN's Avatar


Cool with the maiden
Sorry that you smoked the motor/ESC

Now i am ready to fly again, now with a external cooling for the ESC and a bit bigger hole for motor cooling, inlet and outlet.
I will start with 4 cell and 8x8 prop and take it from there...

Feb 13, 2012, 08:03 PM
Lithium Member
Herb's Avatar
... I will be installing a slightly bigger motor with the same kv (580) . Hopefully it will last a bit longer - if not, time to put in an even bigger motor

I would estimate the speed from the video in the 130 mph range, roughly. I was hoping for more but it's a big airframe.

I am sure glad the lipos and airframe did not go up in smoke (many real Me-163 were lost to fuel explosions).
Feb 15, 2012, 12:21 PM
Lithium Member
Herb's Avatar
.... Took out whatever was left of the charred 100A HV Brain esc, and inspected the motor.

Motor seems ok after all, which would indicate the ESC overheated and caught fire due to insufficient cooling.

I had a small fan on top, but the mosfet on the bottom ignited. There's a second flat metal heatsink inside the ESC that does not do much w/o intense airflow through the inside of the esc.

I connected another new ESC to the motor, and it seems to run fine. I opened a bunch of airflow holes through the firewall as well.

I cannot see any problem with the motor by inspection, so they only thing left is to go fly it again

Last edited by Herb; Feb 16, 2012 at 12:11 PM.
Feb 15, 2012, 03:47 PM
Registered User
Hey Herb,
Well, we're all learning a lot from your experiences and will certainly
benefit from them on our birds. I too am going to open up the firewall
for increased air flow for not only the motor but ESC as well. I liked the open
area in the nose for an air inlet, I will probably install a NACA duct in the cowl as well.
Hope the next flight goes well for you.

Feb 15, 2012, 05:52 PM
Registered User
ZRX212's Avatar
Here's some pics of mine showing firewall and cowling detail, I'm
assembling my second one, redone in red version.

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