Soon, we will have silos able to hold at least 22'000 units of bulk. However, transporting ressources TO those silos is going to take an eternity, with the low capacity a player can carry.
Cargo disk can carry a lot of ressources, but they can't be use to transport ressource over high distances. We can't recall, and we can't use portal when we use our disk.
What I would suggest are 2 things.
Create a new socket type, Cargo Socket. Those socket can only go on Cargo Disk or certains piece of a Cargo Armor. Those socket would only accept Cargo Crystal.
Then, we introduce Cargo Crystals. Those crystals would be tiered and would come in 3 flavors.
Cargo Crystal of Speed:
Socketable:
* Cargo Disk
* Cargo Boot
Increase the Max Speed of a Cargo Disk by 8,12,16,20,24 per Tier.
Increase the Max Speed of a player by 4,6,8,10,12 per Tier.
Cargo Crystal of Teleportation:
Socketable:
* Cargo Disk
Allow a cargo Disk to use a teleporter, if a crystal of the same tier of the disk is inserted.
However, it doesn't come cheap, as the max speed of the disk is decreased by 4,6,8,10,12 per Tier.
Cargo Crystal of Recalling:
Socketable:
* Cargo Disk
Allow a cargo Disk to be recalled along the gifted, if a crystal of the same tier of the disk is inserted.
However, it doesn't come cheap, as the max speed of the disk is decreased by 4,6,8,10,12 per Tier.
As you can see, you can't have everything, unless you manage to reach level 80+. You either get teleportation or recalling capability at a cost of speed. A Journeyman Disk with recalling and Teleporting would be a lot slower than a Journeyman Disk with a Speed and Recalling.
As for the Lore?
Jorasix the Helians, in a quest of self enlightment, decided to work with a gnome, Nemine, rather than eat him as a test of Will. Together, using Gnomish Tinkery and Dragon Magic, created a new line of Cargo Disk tinkering, one usable by both Dragons and the Naka-Duskaels. Using Gnome made Cargo Disk, altered to hold Dragon forged Crystal, they were able to atune a Disk with the energy of the portal and the ability of the Gifted to bind to shrines. Using dragon flight magic, they also managed to create a crystal that allowed disk to move faster in mid-air.