g_boxwood
Posts: 334
Joined: 1/28/2005 From: Torino, ITALY Status: offline
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I thought I could give the HS-85MG a little help by installing functional trim tabs (in this case, boost tabs): I placed them in some of my models (sport) and they prooved really effective. I took as a guide an informative article in Model Airplane News, December 1993 if I recall correctly: if someone is interested just let me know and I'll gather some more infos. Anyway, everything started by attacking the rudder and cutting the tabs off: Next I added a 4mm LE block to the tabs and worked a little more on the upper tab: the upper tab extends past the rudder TE so it needs a TE extension. The following pic shows what I did (top to bottom): 1. I took the homemade fiberglass foil and glued it to one side with medium CA 2. I added some balsa sheet of appropriate thickness 3. I sanded it to shape 4. I filled everything Once satisfied with it I sanded the LEs to their round shape and I checked the tabs over the plans: They look both scale and functional!
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Giacomo 'g_boxwood' Bosso
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