dual-deployment

What is the best location for the couplers? This is where the parachutes will come out of. The ejection charges will be set off in the orange ejection charge wells, separating the gray body tubes and pulling out the parachutes. Will attaching the green couplers to the upper or lower body tube...

Hello, I would like to get information about how to buy ARRD(Advanced Retention release device), a device that is a well-known solution in dual-deployment. I've searched the internet and i cannot find a seller. It seems that it is now difficult to find this device.The only promising seller was...