I'll bet you wont find any T-88 or any other glue holding RV wings or anything else on the plane together.If you do run and run fast,because the guy that built it is crazy.But for the KR all of the glues and resins people are using seem too be working fine.Some just prefer one brand over another.And as far as polyurethane glue being easy to sand,I have not found that to be the case at all.
Bob Glidden Eminence,Indiana KR2S N181FW (building) Corvair 110 [email protected]

