the OS LA IMHO is marginal on a plane as large as the Kadet. YES it will fly BUT.....
the TT .46 is more than a "decent " engine. it is an excellent engine for the price . the ones Ive had & run for others have been nothing short of EXCELLENT. the Super Tigre 40/45 series has given me superb service over 6 years with no sign of ANY trouble . amazing.