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Old Dec 31, 2001, 10:49 AM
Tight is Right
Darren Hintze's Avatar
Lehi, Utah, United States
Joined Dec 2001
7,668 Posts
Yippee!
GWS Drive Upgrade for Wattage B-2

Hey Everyone,

A Wattage B-2 arrived from Santa last week and, after reading a few threads about power problems with the stock configuration, I redesigned the power system out of the box. The plane flies great -- although it is decidedly NOT a beginner's model.

Here's what I did.

1 - Converted motor to the GWS geared system standard on the Tiger Moth and Lite Stik. After removing an inch from the rear of the plane, I cut a slot for a mounting stick from the radio complartment to the back end of the plane for a "pusher" configuration.

2 - Using packing tape, I reinforced the wing joints to handle the extra speed and covered the mounting areas for the stock motors to reduce unnecessary drag.

3 - I didn't like the control linkage for the outboard elevrons, so I didn't bother with them. I just used the inboard set and increased the throw.

I wanted to try the intial flights with a 6 cell, 300mah NiMH pack, but my charger flamed that pack a day before completion. I borrowed a 7-cell and tossed the plane.

After trimming, which is a task, I can toss it gently and watch it speed away. It can roll, split-S, and loop after a short dive. The B-2 slows down nicely for landing. I've had the best luck with a GWS 9X4.7 prop. Although a longer prop may work, I need more thrust angle to counter-act the torque.

This is a fun plane that always turns a few heads.
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Old Dec 31, 2001, 07:01 PM
Strange Plane Central
frankenfoamy's Avatar
Poway (near San Diego), CA US
Joined Dec 2000
1,884 Posts
Consider using GWS motor direct drive with a 4 x 2 prop. It will be lighter and probably alittle faster.
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Old Dec 31, 2001, 09:35 PM
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Gerry Markgraf's Avatar
S. Calif
Joined Mar 2000
1,409 Posts
Yep. I was flying my B-2 yesterday with a GWS direct drive and ThimbleDrome 4.5x2 prop. With a 6 cell 280 mah NiMh pack, it flys for 7-8 minutes and is a great little park flyer. Seems the Wattage folks got the aerodynamics right, its just way underpowered with the standard power setup. Its one of my favorite airplanes now.
Gerry.
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Old Jan 02, 2002, 11:36 AM
Tight is Right
Darren Hintze's Avatar
Lehi, Utah, United States
Joined Dec 2001
7,668 Posts
I acutally tried a 9X7 prop on the gear drive and it now it is a hot rod. I'll try a direct drive at some point, but for the moment I'm just enjoying the heck outta the plane!
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