Geir Engebakken
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Geir Engebakken's Discussions

blades snap on 3 consecutive flights!

Started this discussion. Last reply by Graham Dyer Mar 6. 7 Replies

Twice earlier this winter, I have had a go wit my quadcopter,and both times I went home with a damaged copter due to a blade snapping in mid-ait during easy flying or hover. Since the temperatures…Continue

sonar does not work in 2.1

Started this discussion. Last reply by Chris Anderson Dec 21, 2011. 7 Replies

Tried to fly 2.1.0 (Alpha as called in MP)  today. Tried Loiter , which I didnt find particularly good, but noticed that at sonar altitudes (0 to 8 meters)  something was wrong, the copter just…Continue

Auto-leveling problem in 2.0.55

Started this discussion. Last reply by Jay May 15. 8 Replies

Tried the 2.0.55 release from MP 1.1.1 today in the gym at work. Previously auto-trim has been the way to get leveling tuned for my AC. This time it did not work.Before leveling the copter, it  leans…Continue

Loiter issues - big circle

Started Nov 19, 2011 0 Replies

I am having som issues with Loiter that I want to find out about. Sometimes Loiter is almost perfect on the spot, maybe drifting 1 meter or so, but I have had situations where in Loiter the copter…Continue

 

Geir Engebakken's Page

Latest Activity

Jay replied to Geir Engebakken's discussion Auto-leveling problem in 2.0.55
"@Geir I am experiencing the exact same thing as you. I have set auto-trim to ch7 and when I switch ch7 on, my copter flies perfectly level as if trimmed already. When I switch ch7 off my copter leans forward. Were you ever able to get your copter…"
May 15
Geir Engebakken replied to Randy's discussion ArduCopter 2.5 released!
"If i remember correctly form another dicussion the SIMPLE parameter is a bitmask that defines which modes is to be run in simple."
Mar 28
Geir Engebakken replied to R_Lefebvre's discussion Ch.7 Auto Trim?
"I tried the ARM command when flying the other day and had a strange situation. When flying normally the copter had a tendency to go forward and right, so I needed stick input to get a normal takeoff, and hold the hover stationary. Then I tried the…"
Mar 21
Geir Engebakken replied to Randy's discussion ArduCopter 2.5 released!
"I have used the 12x4.5 from ebay, which recently has just exploded in flight. Lousy quality I guess, so I went to buy APC props. Although a bit more expensive  seems to be much more solid. The ebay ones seems to be crap. I tried to bend an ebay…"
Mar 20
Geir Engebakken replied to Craig Burden's discussion Arducopter v2.4.1 Random crash
"Point taken, not really convinced though. I guess "peace of mind" could be a valid reason, but as I said I have never had problems with the connectors on the helis, so why should it be a problem on the quadcopter? OK, there are a factor of…"
Mar 16
Geir Engebakken replied to Craig Burden's discussion Arducopter v2.4.1 Random crash
"I see that there is a strong consensus for soldering the connectors between ESCs and motors in the forum, but I have not bothered either. Why? Two reasons : 1) I tend to crash from time to time due to the nature of this sw, it is unstable. The…"
Mar 16
Geir Engebakken replied to Patricio's discussion jdrones GoPro Camera Mount
"I guess metal screws should be fixed with blue threadlock, otherwise they will tend to loosen."
Mar 9

Moderator
Graham Dyer replied to Geir Engebakken's discussion blades snap on 3 consecutive flights!
"I had a look at www.lowpricerc.com, they have APC Slo-flyer 11x4.7 pusher but no 11x4.7 normal? Same for 10x3.8, also they have no 10x4.7. 3DR shows 10x4.7, price $8 for two (pusher & standard). Aeroquad shows 10x4.7, $8.50 for two (pusher &…"
Mar 6
Geir Engebakken replied to Geir Engebakken's discussion blades snap on 3 consecutive flights!
"I found APC 12x3.8 SF at lowpricerc for $3 CW and $4.6 CCW, so bought 4+4 hopefully they work better....."
Mar 6
Jonathan M replied to Geir Engebakken's discussion blades snap on 3 consecutive flights!
"3DR has the 11x4.7 SF in stock, pusher and standard.  Aeroquad has the 12x3.8 SFs in stock, Pusher and standard"
Mar 6

Moderator
Graham Dyer replied to Geir Engebakken's discussion blades snap on 3 consecutive flights!
"Had a second prop break this afternoon, this time not so lucky. Quad came down from about 6m, landing upside down onto grass (thankfully). Broke the other 3 remaining props, destroyed the CD spindle cover and base that everything was mounted on but…"
Mar 6
Geir Engebakken replied to Geir Engebakken's discussion blades snap on 3 consecutive flights!
"FYI, I think my 12x4.5 also was bought from "goodluckbuy", seems the sellers name is quite on the spot for these propellers :) Not sure what to use now, these APC propellers are expensive it seems....and have only found hem in UK stores,…"
Mar 6

Moderator
Graham Dyer replied to Geir Engebakken's discussion blades snap on 3 consecutive flights!
"Had my first prop break in flight yesterday after many, many flights, quad was about 5m high but I managed to land (just) without damage. Using the cheapish 10x4.5 props from Goodluckbuy. Temperature was about 25C. Quad weighs 1.3kg. Must be the…"
Mar 6
Jonathan M replied to Geir Engebakken's discussion blades snap on 3 consecutive flights!
"If your quad is heavier or you are doing aggressive manevaurs,  you could be stressing those blades to ultimate failure.  it's a known issue with those EPP, chinese, etc blades.  They tend to work best with lighter quads.  I…"
Mar 4
Geir Engebakken posted a discussion

blades snap on 3 consecutive flights!

Twice earlier this winter, I have had a go wit my quadcopter,and both times I went home with a damaged copter due to a blade snapping in mid-ait during easy flying or hover. Since the temperatures were arounbf -10 degrees C, I thought this could have been caused by the plastic in the propeller becoming brittle by the low temp, so postponed further flying.Today I went for a flight again, and the hover in stabilize was quite good, suddenly a blade just snapped and the copter fell to earth. This…See More
Mar 4
Geir Engebakken replied to Randy's discussion ArduCopter 2.4 released
"Then again isnt it so that this DCM bug only appears in border situations, that is when large roll/pitch input is applied, so that if you try some controlled soft flying 2.4.1  should work ok ......the weather here is so nice no that it is very…"
Mar 1

Profile Information

About Me:
Amatur RC enthusiast, engineer by profession
Tell us a bit about your UAV interest
just discovered
Hometown:
oslo. Norway

Comment Wall (2 comments)

At 3:38am on April 17, 2011, thomas marschall said…
ei

Fant deg her på diydrones og lurer på om du har arducopter? Jeg prøver å kartlegge antall piloter i Norge for
å skrive en artikkel om dette.

Også skal vi i løpet av året organisere en arducopter / uav dag og du er kanskje interessert?
--

Vennlig hilsen

Thomas Bjørn Marschall

At 8:56am on August 16, 2011, Geir Engebakken said…

Hold meg gjerne informert om hva som skjer, jeg satser på å få kjøpt meg et quadcopter ganske snart!

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