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Old Aug 26, 2010, 01:58 AM
Scott R/C Time Pilot
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NorthBend/Coos Bay,Oregon USA
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Build Log
Vic Smeed Tomboy r/c electric

Started a Vic Smeed Tomboy today. I didn't have any 3/16" anything, so I am substituting it with 1/8" x 3/16" hard balsa. I have a Dave North hand wound dlRK blue and red wonder and 610 2s pack ready to go.

Scott
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Old Aug 26, 2010, 07:18 PM
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South Korea
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Well done....keep the pictures coming. You will love this model !
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Old Aug 26, 2010, 07:39 PM
GEE,...it BEE model time
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Interlochen, MI
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I'm following along, Scott. Have fun!

Soft landings,

Joe
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Old Aug 27, 2010, 01:45 AM
Scott R/C Time Pilot
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NorthBend/Coos Bay,Oregon USA
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Thanks Guys more to come.

Scott
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Old Aug 27, 2010, 02:08 AM
Scott R/C Time Pilot
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NorthBend/Coos Bay,Oregon USA
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Fuse is getting close, now planning gear positions and access to the gear when its done. I looked at the blue wonder, too much power, so I am going with a Lensrc 17t CD/ROM motor, gws 8-4 prop, C.C. Phoenix and a either a 610mah 2s or 800mah 2s lipo. The landing gear is lashed to the firewall with Kevlar thread and thin cA. more tomorrow

Scott
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Old Aug 27, 2010, 05:32 AM
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If the pack will fit just behind the former the gear is laced to, put it there.

servos easy: 1/4 sq spruce rails across fuselage near CG. Access via wing

Lightweight pushrods or snakes to tail.

rx somehwer in a balsa box ..

Or you can make a servo/RX tray out of 1/8" balsa with 1/16" ply strips to take screws..glue under lower window frame.
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Old Aug 27, 2010, 08:19 AM
GEE,...it BEE model time
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Interlochen, MI
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What Vinny says....spot on!

Soft landings,

Joe
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Old Aug 27, 2010, 09:14 AM
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Closed loops are lighter and more precise.

Regards Ian.
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Old Aug 27, 2010, 11:28 AM
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East Anglia, UK
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Quote:
Originally Posted by Circlip View Post
Closed loops are lighter
true
Quote:
and more precise.
But only if you get the geometry right.
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Old Aug 27, 2010, 01:18 PM
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orangeandwhite are you reducing dihedral or wing incidence at all? It seems like those issues are always popping up when doing RC conversioons to these old timers.
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Old Aug 27, 2010, 03:19 PM
Scott R/C Time Pilot
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NorthBend/Coos Bay,Oregon USA
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Here is the rc version of the Tomboy as drawn by Boddington. I believe the dihedral is the same as the FF version.

Scott
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Old Aug 27, 2010, 03:37 PM
Scott R/C Time Pilot
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NorthBend/Coos Bay,Oregon USA
Joined Dec 2009
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Quote:
Originally Posted by vintage1 View Post
If the pack will fit just behind the former the gear is laced to, put it there.

servos easy: 1/4 sq spruce rails across fuselage near CG. Access via wing

Lightweight push rods or snakes to tail.

rx somewhere in a balsa box ..

Or you can make a servo/RX tray out of 1/8" balsa with 1/16" ply strips to take screws..glue under lower window frame.
Thanks Vintage, yes, the battery will fit against the firewall with velcro, and make a hatch. A Rx / servo tray made of 1/16 balsa with 1/16 ply strips at the c.g. under the wing. Kevlar pull pull on the elevator and rudder.

Scott
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Old Aug 27, 2010, 05:03 PM
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Nothing looks like it has been changed in those areas. That is a good thing as I have started with the wing. I willbe using the Hobby Lobby Esskay 400XT up front. Should be a great cruiser at about 1/3 throttle.
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Old Aug 27, 2010, 06:24 PM
Scott R/C Time Pilot
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NorthBend/Coos Bay,Oregon USA
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Quote:
Originally Posted by Greg Knipp View Post
Nothing looks like it has been changed in those areas. That is a good thing as I have started with the wing. I willbe using the Hobby Lobby Esskay 400XT up front. Should be a great cruiser at about 1/3 throttle.
What battery with that 400xt? and what will the auw be?

Scott
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Old Aug 27, 2010, 11:24 PM
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Per Vintage 1's recommendation I am going with 2s lipos and a 9X7 or 10X6 prop. With this set-up he figures it would best duplicate the Mills .75 diesel performance she was designed for. I am shooting for 11 to 14 ozs. with this one. I don't know what most folks are achieving with the RC assist type but it seems to me I saw 12 ozs. somewhere.
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