Well, if that works, you may well have the Holy Grail, it wil also work on the 1st gen DL1000's as well.
If you have been able to do it, then i think your first port of call is getting somebody unbiased to try it out in the wild and see how it
works out for them, and that will probably make you a Rand or two for the future.....
Ensuring it provides the correct current supply and also puts up with the abuse a v-twin hands out is the real teller
What is it taking you in terms of time to make? And, considering the cost of material, which theoretically would decrease if you bought it in larger amounts, you need to make enough
to be profitable, and maybe absorb a replacement cost if one fails.