not much progress but have been busy with design of;
mounting cam, model rear, placement lipo, atenne, vtx






furthermore some adjustments on the cnc table
have moved away from double-sided tape
always had problems that it was sticking to the grinder
experimenting now with soft board and clamps

wr Henk

that goes a lot better!

no more pollution on cutter
no post-processing required
wr Henk

am waiting for parts
in the meantime, trimming my cnc

engines protest a bit when milling arms
speed and feed problem

the rest of the frame is ready





still have  to make a choice for lipo

dont know what the weigth will be

unfortunately has to come with my wife in the camper in the coming weeks

wr Henk

i would give a lightweight one a try, i beleive it could give probably better performence from low uaw about vibrations, just in the case some would decrease the performence.

what direction of weight will the build have?
edit; you still dont know what weight the build will have or what weight the lipo will add?

yes, the lighter the better




still have to calculate a little bit what the missing parts weight

251 now



missing parts + - 100
total + - 351

so for a 6 Inch its oke i think


and then make a choice fore a lipo


my last 5 inch build was 335






Wr Henk

very nice weight :-)
color combination with the props is nice aswell

back from camper trip

 have put everything quickly together

transferred 5 inch settings  to betaflight
when I connect to pc, betaflight opens but it disconnects again after a few seconds
just enough time to download a dump
taranis does connect to reciever and gives a zero volt message
can you view my dump if something can be derived from it?


Thank you in advance

must be due to the bad usb connector of hglrc board
I have had this often with previous constructions
with some fiddeling betaflight remains open
have movement in receiver tab and motor tab
when I disconnect from pc I have no movement in motors but get a beeper alarm
Wr Henk

beeper went because gps had not yet 6 sats
have to learn everything again I think
tomorrow I hope to test flying
Wr Henk

tested today with 6 inch e max props
what power and violence!
after a minute some light smoke and i immediately removed the lipo
on closer inspection the + connection of the pad was blown off / burned off

cleaned up the pads and removed excess solder


as far i can see no further dammage?!
before I try again and solder the pig tail again I ask for ideas how this can happen?
bad solder connection / too much power required by motors / wrong settings in pid's?
suggestions are very welcome
Wr Henk

What gauge wire are you using for the LiPo XT60 pigtail soldered to your ESC? From your photo it looks quite thin.

it is a standard xt30 that I have used on all builds up to now, not verry solid indeed

 for 5 inch I have no problem so far 
6 inch props with 3s 2200 lipo could be too much?!
Will order a xt 60 and try again

Thanks Snow!

The rule of thumb I follow is to use the same gauge wire as fitted to the LiPo itself. You can sometimes go slightly smaller, but if you want to avoid any "bottlenecks" then use the same gauge wire as on the LiPo.

think its a 22 awg wire (3kv-dc 200c vw-1 type tv-3)



the lead of my lipo is 12 awg so a big difference

wr Henk

Yes, 22AWG wire is way too small for a 5" or 6" props. Personally I would use 12AWG wire but some people use the smaller 14AWG wire. I wouldn't use anything smaller than 14AWG.