HAM with rage in C2 will keep you out of range longer, than it is comfortable. And Javelin will slow you down cause of low DPS. But still doable.
Best Tengu fit for C3 is Loki
[Loki, C3: Maximum DPS]
Power Diagnostic System II
Domination Ballistic Control System
Domination Ballistic Control System
Domination Ballistic Control System
Domination Ballistic Control System
Pith X-Type Large Shield Booster
Gist X-Type Shield Boost Amplifier
Pithum C-Type Adaptive Invulnerability Field
Thukker Large Cap Battery
Corelum C-Type 10MN Afterburner
Heavy Assault Missile Launcher II, Nova Rage Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Rage Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Rage Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Rage Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Rage Heavy Assault Missile
Heavy Pulse Laser II, Scorch M
Heavy Pulse Laser II, Scorch M
Medium Warhead Flare Catalyst II
Medium Anti-Kinetic Screen Reinforcer II
Medium Processor Overclocking Unit I
Loki Core - Augmented Nuclear Reactor
Loki Defensive - Adaptive Defense Node
Loki Offensive - Launcher Efficiency Configuration
Loki Propulsion - Wake Limiter
Hobgoblin II x2
Hammerhead II x3
Of cause you are welcome to replace 2 high slots with probe launcher and cloak (you can skip Power diagnostic system if you dismount one laser)
[Loki, C3: Maximum DPS covert op]
Domination Ballistic Control System
Domination Ballistic Control System
Domination Ballistic Control System
Domination Ballistic Control System
Gist B-Type X-Large Shield Booster
Dread Guristas Adaptive Invulnerability Field
Dread Guristas Adaptive Invulnerability Field
Thukker Large Cap Battery
Corelum C-Type 10MN Afterburner
Heavy Assault Missile Launcher II, Nova Javelin Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Javelin Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Javelin Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Javelin Heavy Assault Missile
Heavy Assault Missile Launcher II, Nova Javelin Heavy Assault Missile
Heavy Pulse Laser II, Scorch M
Sisters Expanded Probe Launcher
Covert Ops Cloaking Device II
Medium Hydraulic Bay Thrusters II
Medium Anti-Kinetic Screen Reinforcer II
Medium Ancillary Current Router II
Loki Core - Augmented Nuclear Reactor
Loki Defensive - Covert Reconfiguration
Loki Offensive - Launcher Efficiency Configuration
Loki Propulsion - Wake Limiter
Hobgoblin II x2
Hammerhead II x3
This way you get 45 km range (NPC cruiser) but you can apply only about 500 DPS untill drones catch up (660 DPS with drones)