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400 Size Seaplane

Walrus

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Bustergrunt07/12/2007 18:07:00
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162 forum posts
33 photos
jolly nice Walrus...I'm seriously tempted to have a go at that...
David Ashby - Moderator09/12/2007 19:16:00
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We have a free plan for a Walrus in the Feb 08 issue

Bustergrunt09/12/2007 20:12:00
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162 forum posts
33 photos
Cheers DA, utterly perfect timing, is this balsa or depron and what span?
Bustergrunt09/12/2007 20:13:00
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162 forum posts
33 photos
Or is it a plan of the one pictured in this thread?
David Ashby - Moderator10/12/2007 08:00:00
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11133 forum posts
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623 articles
Don't think so Buster, It's depron, there's a picture in the next issue page of the er...next issue (jan) out in a week or so. It's another Cyril Carr design and looks superb (even if I do say so)
Glenn Howcroft17/12/2007 00:19:00
30 forum posts
11 photos

Hi all ...

Not been following this thread for a while .. sorry .. work.

Bustergrunt the Walrus pictured was my own design, but I must give a very large tip my hat to Tony N. I followed his concept of sheet wings and simple box fuse, and his advice on the incidence of the wings. Without his RCM&E plans I would never had a go myself.

The plane flew ... once. She was a handfull to say the least. Hand launch was perfect, climb out was excellent, if anything too much power available so throttle back to 1/3 and a few clicks had her flying straight and level. Pitch a little sensative, maybe a slightly rear CG. Then we come to the turns, thats when the problems arrived. Aeleron into the turn, seemed very sluggish, added a bit of rudder, much better, then she digs in so opposite aeleron and rudder to hold in the turn. Recover to level flight again sluggish even with rudder assist.

Flew twice around the field and decided to land. Good approach, soft touch down, slides along nicely on belly ... then snags a tuft and forward rolls. Badly split the top wing in two places, snapped 2 of the carbon wing struts, pulled 3 of the carbon rods out of the engine pod which was badly damaged, oh yeh ... and cracked the fuse at the wing mount. 

Although I could have repaired her I decided to use the motor and other kit in the Mini Limbo Dancer I posted pics of.

Shame really, she looked really nice in the air.

Glenn .. 

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