You are very much correct. Out of Krait habit I did keep boosting in Challenger. Last night I had another test run with Challenger. I dropped one of the C2 Beam and replaced it with an Overcharged C2 MC. I was able to take down hull faster for obvious reason and still did good enough damage to shield with 1 C3 and 1 C2 Efficient+Thermal Vent Beams.If you boost a lot in the Challenger, especially against the AI, you're gonna end up in a situation where you just keep jousting. You can win that through attrition, but it's better to keep your boosts for clearing the enemy's gunsights or catching back up to enemies that have extended away from you. Unlike the Krait, the Challenger does not have half-cost boosts and an over-spec distributor to keep boosting perpetually while having pips to spare for weapons and/or shields.
The maneuver I practiced with this test run was, when NPC was heading towards me for jousting, within ~800m I pitched up with down thruster to already positioning myself to turn. So by the time NPC went pass me I was already behind him. Seems to have given me more ToT while taking in much lower damage and my canopy remained fully intact.
I was little hesitant to drop one of the Beam but I could still destroy almost all small ships with mostly beam with just a touch of MC. Huge savings on MC ammo.