a quick word, i dunno about your kit, the instructions or what it calls for but check for this-

most kits i've dealt with that had "shear webs" the instructions say they must be "securely glued to the wing ribs at both ends"

here's a link to what i'm talking about...
[link=http://www.rcuniverse.com/forum/m_3561097/mpage_8/key_/tm.htm]2nd Newbie Build- GP Super Skybolt[/link]

check post # 194 on page 8 (link should take you right there...if it doesn't the picture link is...

[link=http://image.rcuniverse.com/forum/upfiles/183029/Pu50839.jpg]wing close up[/link]

Thanks and credit goes out to "Mods-R-Me" - awesome builder and awesome job on that skybolt, hope mine comes out that good.