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-   S.P.A.D. Aircraft - Coroplast design (https://www.rcuniverse.com/forum/s-p-d-aircraft-coroplast-design-178/)
-   -   YIKES!!! Crashed by DPS today (https://www.rcuniverse.com/forum/s-p-d-aircraft-coroplast-design-178/9892538-yikes-crashed-dps-today.html)

wjbender 07-27-2010 05:58 PM
YIKES!!! Crashed by DPS today
 
I built a DPS as a combat plane with a Thundertiger pro 46. I was a rocket ship and performed beautifully. On my second pass arount the field today I had no ron control and she went down. I found the gears in the ron servo (Hitec HS635HB) stripped. All I can figure is that flutter must have done me in.

Do you guys usually use metal gear servos?

any suggestions to prevent this from happening again?

mdavies31 07-27-2010 06:30 PM
RE: YIKES!!! Crashed by DPS today
 
1 Attachment(s)
Did you taper the ailerons near the wingtips?

Clean 07-27-2010 07:10 PM
RE: YIKES!!! Crashed by DPS today
 
I've got standard servos in my wing, but I do have two of them and I have wingtips on mine to get that vortex away from the ailerons. I also have a TT 46 on mine and it does go like stink, even with only an 11x5 on it.

wjbender 07-27-2010 09:42 PM
RE: YIKES!!! Crashed by DPS today
 
NO I will do that on the rebuild

Is a non metal gearservo OK?

mdavies31 07-27-2010 10:16 PM
RE: YIKES!!! Crashed by DPS today
 
All I have ever used are standard ball bearing servos. Futaba 3004's and Hitec HS425's.
I have built seven DPS's, three 40 sized, two 60 sized, one with a Roybi 31 gasser and a 40 size twin.
I learned about tapering the ailerons on the SPAD site and have never had a problem with flutter.

Clean 07-28-2010 06:09 AM
RE: YIKES!!! Crashed by DPS today
 
I don't even use the BB servos.


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