Have only worked with balsa, basswood, red cedar, and mahogany. Of those 3, mahogany has yielded a few suspenders. Getting a lure or stickbait to suspend horizontally is not easy. And just getting a bait to suspend period is not easy! It is a fine line, but nothing wrong with slow sinkers, or slow floaters.
The smaller the bait, the trickier it is. To get a suspender, the amount/distribution of weight is more art than science, and more luck than art...(all my lures are difnt, have not zeroed in on perfecting a suspender on the same shape/size body)
Perhaps something more dense than mahogany would work better? Then you would have less weight (variable) to experiment with. Plan on an iterative process.
"PLEASE get back to fishing, if you just want to pick fights and complain, go talk to your wives, or for some of you that aren't old enough, your girlfriends." -OGF mod
"you have enough lures....james..." -Dovans