|Jun 05, 2014, 08:19 AM|
Joined Sep 2011
Redwing MXRS Must Read
I posted a while ago about the 1st FS RC Flight Training School putting the MXSR into their fleet. They just reported back that it is the best plane in their fleet. They know their planes and have tested just about every plane made. I know it is a long post but I think anyone with the MXSR will want to check out his set-up for this plane. It really shows you the detail it takes to properly set up a plane for IMAC along with a few cool mods. Here are his comments... (I am checking on the elevator throw, it seems wrong)
Sorry about the delay getting back to you, but I wanted to wait until I could give a report on the MXSR. I spent a full day working on the setup and the performance I've been able to achieve a level of handling that exceeds just about everything in the school training fleet. I used the airplane in last week's advanced aerobatic class and each guy stated that because of the performance and convenient size (they fly 100cc and larger back home), each was going to order one for themselves. Indeed, they felt that the airplane flew as well as a 40% without nearly the hassle/expense!
I've optimized the MXSR for precision IMAC style aerobatics using the following setup:
Ail travel/expo: 5/8" / 25%
Elevator travel/expo: 1/16" / 25%
Ruder travel/expo: 2-1/2" / 30%
CG = 1" forward of the edge of the wing sheeting.
I placed a 3/32" shim under the top of the wing recess at the trailing edge to fill the gap and ensure the wing sits at the same angle every time.
I lowered both ailerons 1/16" from neutral (tricks wing into acting like it has positive incidence and thus neutral pitch stability)
I opened up the front of the cowl to expose the entire front of the engine cylinder to improve cooling.
I also installed 1/2" triangle vortex generators 3" in front of the aileron hinge line to help the airplane fly more like it's on rails and provide a more linear control response. Of course, installing thicker ailerons would be more optimum and make the VG's unnecessary, but is obviously not an option with most finished ARFs.
The airplane needed only small rudder-aileron/elevator mixing flying with the above settings.
I will do my best to share with as many people as I can our success with your MXSR. Pics will soon follow!
|Jun 07, 2014, 11:07 PM|
Dave is "spot on"; this plane is a diamond in the rough. I first had a chance to get a pull on Chris Boultinghouse's (RC Today Show) MXS-R down in Austin. The plane was so predictable and capable of any maneuver. "Redwing RC" has done it again!
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