David Soper Posted February 13, 2019 Share Posted February 13, 2019 Hi Guys ive managed to break the rudder off on my foamy Tundra. What is the best way to repair, Ive tried tagging with glue but it is either too fragile or too well bonded and not free movement. Thanks Quote Link to comment Share on other sites More sharing options...
John Tee Posted February 13, 2019 Share Posted February 13, 2019 Try reinforced clear parcel tape each side of the rudder/fin. Can't think of a trade name at the moment. seenit mentioned before. John Quote Link to comment Share on other sites More sharing options...
Denis Watkins Posted February 13, 2019 Share Posted February 13, 2019 Crossweave glass filament tape Quote Link to comment Share on other sites More sharing options...
Geoff S Posted February 13, 2019 Share Posted February 13, 2019 Blendern or Diamond Selotape both work well or you could simply fit conventional hinges as you would for a balsa model. Geoff Quote Link to comment Share on other sites More sharing options...
Keith Sharples Posted February 13, 2019 Share Posted February 13, 2019 I second Blenderm tape, Link Quote Link to comment Share on other sites More sharing options...
David Soper Posted February 13, 2019 Author Share Posted February 13, 2019 Thanks Geoff and Keith, Tape on order, does it bond well or would you suggest touch of glue David Quote Link to comment Share on other sites More sharing options...
Keith Sharples Posted February 13, 2019 Share Posted February 13, 2019 It bonds well, make sure surfaces are clean as per usual. I have a Tundra but not used the tape on it. I have used it on a foamy called Critical Mass. After a bad landing one of the ailerons had parted company, a strip of Blenderm either side of the hinge line and no problems since, as in the plane is ok.......... my flying !! thats debatable! Quote Link to comment Share on other sites More sharing options...
Old Geezer Posted February 14, 2019 Share Posted February 14, 2019 You can also make a "live hinge" using a bead of UHU Por. Quote Link to comment Share on other sites More sharing options...
Tim Flyer Posted February 14, 2019 Share Posted February 14, 2019 If you don’t like “sticky tape “ one repair I have used on foam Models is fine fibreglass covering cloth. I always save off cuts from balsa model builds. Tissue paper also works well . The cloth /tissue can be bonded and brushed down to the surface using wood glue, Epoxy , or even foam safe cyano. It provides a very strong and rigid fix and can be was laminated as per requirements 😊...oops I think he is talking about re hinging the rudder ? On a foamy I would cut the rudder off and use new Mylar hinges Edited By Tim Flyer on 14/02/2019 09:47:58 Edited By Tim Flyer on 14/02/2019 09:48:30 Quote Link to comment Share on other sites More sharing options...
Nigel R Posted February 14, 2019 Share Posted February 14, 2019 I've rehinged with cyano hinges if the existing hinge is too far gone. Used canopy glue, seems to still be working. Paper or tissue + PVA works pretty well, for thin surface repairs. Costs next to nothing, too. And can be used to stiffen controls up quite nicely, if needed. I have had a couple of hinges tear out small lumps of foam as well, when a surface detached itself after some encouragement from the turf, with the hinge still in it, and a small lump of the wing attached to the hinge. The tissue/paper + PVA type repair holds the torn out lump of foam back in place quite nicely. Quote Link to comment Share on other sites More sharing options...
Frank Skilbeck Posted February 14, 2019 Share Posted February 14, 2019 Club member tore an aileron off his Tundra and reattached it with a standard RC hinge glued into the foam with Gorilla glue. His Tundra has been repaired a few times with Gorilla glue, so much so he's cut the Gorilla out of the packaging and stuck him to the windscreen as the pilot Quote Link to comment Share on other sites More sharing options...
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