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Redwing RC 76" MXS-R

Drew

70cc twin V2
I see what you are talking about...I'd like to see a bottom and side view pic of the cowl attached to the airframe.

It should be enough exit area, I suppose.

I think it would work, but I'm going to open two holes under there as well just to be safe. Whatever air comes in, you need double that going out. I'm also going to struggle on how to set up the choke, cant exactly just reach into those small air intakes and pull a lever. :(
 

gyro

GSN Contributor
I think it would work, but I'm going to open two holes under there as well just to be safe. Whatever air comes in, you need double that going out. I'm also going to struggle on how to set up the choke, cant exactly just reach into those small air intakes and pull a lever. :(

Drew, lets talk before you cut :)
 

Drew

70cc twin V2
Knocked out the elevator servos last night.

Made up the servo arms.

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Nice titanium links

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Other side...

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Good full throw.

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Drew

70cc twin V2
Also managed to get the main gear installed as well as hinge the rudder.

Mounted the axles before I put the gear on.

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Gear installed, you have to remove the canister compartment cover to attach the bolts and nuts. Good thing I didn't glue mine. ;)

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Rudder all hinged and done.

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Drew

70cc twin V2
I wanted to mention we will be trying out Redwing RC's RCCSKJ Power Expander on this plane. These look like they will be a great little accessory for any plane. Here are some of the features:

Dual battery sharing, evenly regulates the power used from each battery
Circuit protection: Ensures if ONE battery shorts, the other will not be drained
Higher quality switch, with higher security and stability
Integrated CDI remote cut off switch to kill your engine
Built in RX Regulator delivers a clean 5v to your RX (receiver)
Built in regulator for servos, adjustable from 4.8v to 9.7v allows you to carefully choose your voltage to your servos
Built in 30amp (40amp max) BEC provides a LARGE amp load to your servos
Digital display gives REAL time display of voltages
Audible and Light alarm to warn of low voltage (se With all these features and this price, the Power Expander Box is a great value to add to your plane.

Link to product:
http://www.redwingrc.com/index.php?main_page=product_info&cPath=3_7&products_id=82

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SnowDog

Moderator
Rudder all hinged and done.

View attachment 18808

Interesting...do the plans call for pull pull rudder even with a gas setup?
Many of the 30cc planes I've seen have a pull pull for electric or they recommend a tail-mounted rudder servo for gas setups.

Also, with respect to your previous post regarding the elevators, it occurred to me that another nice touch on that is the dual elevator control horns...some of the 30cc airframes I've seen only provide one control horn for the rudder and elevator. Titanium pushrod is another nice touch!

Finally, that power box expander looks totally awesome! Definitely going to get one of those for my next plane, 30cc or 50cc!

$65 - I'd pay that much for a 2-battery switch
 
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gyro

GSN Contributor
Yes Mike, pull-pull is the manual recommended method due to the two elevator servos in the tail. Having 3 servos back there would mess up the CG.
 

Drew

70cc twin V2
Lot or progress yesterday......

Wheels installed. I ALWASY grind a flat spot on the axles where the collars mount, then use red lock tight on the small collar screw. Ive never lost a wheel, this is why. :)

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Wheel pants done. Kit comes with pre-drilled holes set up for the included blind nuts and screws.

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Had an issue with the screws hitting the wheel once attached, so I simply just added a few more washers.

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All done

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Mounted up tail gear.

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Manual says use the included blind nuts for tail gear, but this kit came with wood screws. So I mounted it up, took it all back off and filled holes with thin CA till dry. Remounted everything......

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