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110" TIMBER Assembly Thread

Which Gas Engine will you use!?!?


  • Total voters
    51

Snoopy1

640cc Uber Pimp
Ok @AKNick have a question for you it does not relate to this subject but I thought it is good as any place to ask your opinion.
I was thinking to try this on the Timber. The Timber has separate aileron and elevator servos. What do you think would happen if I mixed say 15% elevator to aileron. So if I give left aileron say 100% the elevator also gives 15% aileron input. Which means the left elevator goes up 15% and the right elevator goes down 15%.
 

AKNick

640cc Uber Pimp
Ok @AKNick have a question for you it does not relate to this subject but I thought it is good as any place to ask your opinion.
I was thinking to try this on the Timber. The Timber has separate aileron and elevator servos. What do you think would happen if I mixed say 15% elevator to aileron. So if I give left aileron say 100% the elevator also gives 15% aileron input. Which means the left elevator goes up 15% and the right elevator goes down 15%.

I shall answer your question with another. why? If it's to increase roll rate than I'm sure any input would help. If you think of an arrow as it flies is very true in a spiral - adding equal amounts of up/down elevator should have the same effect and limit adverse yaw you get with full aileron up deflection. Some planes have a tendency to climb in an aileron yank and bank and require rudder... Im curious if mixing elevator like you say would counteract that effect as well.... BUT I don't think the Timber has that tendency.... and then why not just limit up aileron and add rudder mix.
Full span Ailerons with Flaperons are pretty ridiculous already. I'd leave the elevators alone personally and utilize rudder to elev mixing to get rid of coupling, and flap to elevator mixing for pitch control with flaps, and if you want to get nasty use butterfly flaps. It can get pretty confusing to me once you add all these complex mixes all while servo matching. I have a hard time enough mixing those other things HA HA!
 

Snoopy1

640cc Uber Pimp
I have the aileron the rudder mix already active just dialing in the right amount. And still working on the elevator to flap mix it is requiring a lot more than expected but I am close now. Hopefully the wind will calm down a little and I can going flying tomorrow and play some more with it.
 

AKNick

640cc Uber Pimp
I have the aileron the rudder mix already active just dialing in the right amount. And still working on the elevator to flap mix it is requiring a lot more than expected but I am close now. Hopefully the wind will calm down a little and I can going flying tomorrow and play some more with it.

I found that 25% was too much elev-flap, dialed it down to about 20% with little pitch control effort needed and just using airspeed management. I started small and worked my way up until I found the tipping point. 23% seems to be a sweet spot.
 

Snoopy1

640cc Uber Pimp
The last time I flew I was up to 20% and still had a tendency to pull the nose up when I was coming in to land but it was close. Added another 3% and will see if it comes in with I nice slow decent. Love flying the plane everything happens so slow and gentle.
I do like to hold back on the the Stick a little when landing, do not like to push on the elevator to land, just me.
 
They are 5000 mAh cannot fit bigger in the location unless they get longer but if they grow in any other direction it will not fit.

I can’t remember if I asked you this already, but what did your flying weight come in at? I just weighed mine and WOW! it came in at 21.5! I wasn’t expecting that. I was hoping for much lighter! Aside from the Xpwr motor and the Xcub landing gear, I built it to spec.
 

Snoopy1

640cc Uber Pimp
Like I told Nick mine came in at 20 lbs with everything in including the 12s battery pack. To be précis it was 19 lbs 10 oz.
 
Last edited:

Snoopy1

640cc Uber Pimp
I have quite a number of flights on mine now and the electrical power system is starting to annoy me. Don’t get me wrong more than enough power flies great love everything about it the 6 minute flight and the endless charging and swapping out of batteries is getting to me.
Ok gentlemen need some first hand experience from Timber fliers with DA35, GP38 and DA50 need to know how you like it and is the 35 or 38 good enough for the plane is it capable. Please need some help selecting a new motor for the Timber.
 

AKNick

640cc Uber Pimp
I have quite a number of flights on mine now and the electrical power system is starting to annoy me. Don’t get me wrong more than enough power flies great love everything about it the 6 minute flight and the endless charging and swapping out of batteries is getting to me.
Ok gentlemen need some first hand experience from Timber fliers with DA35, GP38 and DA50 need to know how you like it and is the 35 or 38 good enough for the plane is it capable. Please need some help selecting a new motor for the Timber.

I cannot say ive heard people complain about the 35cc's being too light. If you want to hang on the prop all day long with the x cub gear and big tires than probably the 50-55cc engines are the way to go... being 21-22# loaded... but for STOL and basic aerobatics I would thing the 35-38cc engines are the ticket - especially with the stock gear and smaller tires.
I think my plane flies great with the DLE55RA. Honestly couldn't be happier other than adding weight in the tail. Since I am rarely at full throttle the plane sips fuel. Also IMHO the 55RA is easier to start than my 35cc engines. Love flipping the bigger 23x8 prop. ground clearance is the only issue.
 
Like I told Nick mine came in at 20 lbs with everything in including the 12s battery pack. To be précis it was 19 lbs 10 oz.

Thanks for that info. You aren't running the Xcub landing gear and the upgraded bush wheels either, right?

@AKNick what did your all up flying weight come out to?

Thanks!

-Clint
 
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