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-   -   Big Stick 40 (https://www.rcuniverse.com/forum/beginners-85/8765160-big-stick-40-a.html)

Guitarman52 05-13-2009 08:10 AM

Big Stick 40
 
I've got my Big Stick together and I am pretty nose heavy. I have everything moved back as far as possible so it looks like I am going to have to add some weight to the tail end. Did any of you experience this? If so where and how did you add the weight?

CGRetired 05-13-2009 08:17 AM

RE: Big Stick 40
 
Nose heavy. Ok. Well, one thing you can do is make darned sure you are using the right point on the wing for measuring the CG. Next, move the motor back if you can. You can also put the battery in the back of the plane. Other than that, a little weight in the tail goes a long way to help shift the CG rearward, something like a 4 : 1 ratio. (four ounces in the nose = 1 ounce in the rear).

CGr.

goirish 05-13-2009 08:23 AM

RE: Big Stick 40
 
I fly the big stick and the ultra stick. I had to add some weight to the tail. What I did was open up a slot on the rudder bottom as it was the farest point to the rear. Added a few lead round sinkers and that did the job. then I covered the bottom of the rudder with the ultracote, can't see anything.

Guitarman52 05-13-2009 09:57 AM

RE: Big Stick 40
 
Goirish,

Which stick do you like the best?

goirish 05-13-2009 10:04 AM

RE: Big Stick 40
 
Probably the Ultra. Both fun, but the Ultra seems more responsive. A magnum 70 4 stroke

opjose 05-13-2009 11:10 AM

RE: Big Stick 40
 


ORIGINAL: Guitarman52

I've got my Big Stick together and I am pretty nose heavy. I have everything moved back as far as possible so it looks like I am going to have to add some weight to the tail end. Did any of you experience this? If so where and how did you add the weight?
On my Big Stick .60 I initially had to add 10 oz of weight to the tail to get the balance right.

After I determined this, I decided to make any extra weight useful.

So I removed the tail weight and added a 3800mAh NiMH 6v battery pack to replace the one I had, stuffed as far back into the fuselage as I could get it.

This still left the C.G. about .7" forward of where it should be, but the plane flies fine this way.

So either remove weight from the nose, or move something as far back as possible....

I used a long servo extension to bring the power up to the receiver.




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