ACR Aerospace K-Series

Quick Description
The ACR Aerospace K-Series is a series of Rockets produced to carry various payloads up in to LKO/HKO/KEO. They have been well-received by the international community and has brought ACR up to profitability.

ACR Aerospace K-60
The K-60, the smallest of the bunch, is a 1.25m rocket capable of reaching Keostationary Orbit (henceforth referred to as KEO) for the smallest payloads that require a high orbit, that the Muon Rocket does not provide. It is certified for 2 tons into KEO.

ACR Aerospace K-70
The larger brother of the K-60, the K-70 is a 1.875m rocket capable of reaching KEO with payload. It is for the smaller payloads too small for the Calkon-12 and too large for the Muon Rocket, or for when a higher orbit is required.

ACR Aerospace K-80
The most commonly used K-model, the K-80 is the 2.5m middleweight in the family. As with all of the K-Series, it reaches KEO with ease. The Calkon-12 is a major competitor to the K-80, but the Calkon is limited due to lacking TWR, while the K-80 has plenty.

ACR Aerospace K-90
One of the heavyweights, the K-90 is very hard to compete with in the sheer amount of power it has. The 3.75m behemoth can lift most heavy payloads to KEO. The second stage is recoverable.

ACR Aerospace K-100
The heaviest rocket of all K-Series rockets, it is unbeatable in it's class. The 5m rocket easily lifts anything you have in mind. The K-100 has almost no competition, as large UPRLI rockets start much larger than this. The large amount of Delta-V it has makes it useful for interplanetary voyages too. Even for staying at Kerbin, it is still handy, and the second stage can be recovered, although it requires some skill to land the thing, as parachutes didn't work.