I tried building it in HeavyMetalVee (I know it's outdated, but I can't get SAW to work on my computers).
And it ended up 4 equipment/item slots over the limit.
Here it is.
Type/Model: Polybolos Attack Helicopter*
Tech: Inner Sphere / 3060
Config: V.T.O.L.
Rules: Level 3, Standard design
Mass: 30 tons
Power Plant: 70 Omni XL Fusion with Jet Boosters
Cruise Speed: 75.6 km/h
Maximum Speed: 118.8 [151.2] km/h
Armor Type: Hvy Ferro-Fibrous
Armament:
1 Light PPC*
1 Light PPC Capacitor*
1 Magshot*
1 Recon Camera*
1 MML7 (SRM)*
1 MML7 (LRM)*
Manufacturer: (Unknown)
Location: (Unknown)
Communications System: (Unknown)
Targeting & Tracking System: (Unknown)
--------------------------------------------------------
Type/Model: Polybolos Attack Helicopter*
Mass: 30 tons
Equipment: Items Mass
Int. Struct.: 18 pts Standard 0 3.00
Engine: 70 XL Fusion 2 1.00
Shielding & Transmission Equipment: 0 .50
Jet Boosters: 1 .50
Cruise MP: 7
Flank MP: 11 [14]
Heat Sinks: 10 Single 0 .00
Cockpit & Controls: 0 1.50
Crew: 2 Members 0 .00
Rotor Equipment: Main/Tail Rotors 0 3.00
Turret Equipment: 0 .50
Armor Factor: 60 pts Hvy Ferro-Fibrous 3 3.00
Internal Armor
Structure Value
Front: 3 18
Left / Right Sides: 3 11/11
Rear: 3 8
Rotor: 3 2
Chin Turret: 3 10
Weapons and Equipment Loc Heat Ammo Items Mass
--------------------------------------------------------
1 Light PPC* ChinTur 5 1 3.00
1 Light PPC Capacitor* ChinTur 5 1 1.00
1 Magshot* Front 0 50 2 1.50
1 Recon Camera* Front 0 1 .50
1 MML7 (SRM)* Front 0 14 2 5.50
1 MML7 (LRM)* Front 0 17 2 5.50
--------------------------------------------------------
TOTALS: 10 15 30.00
Items & Tons Left: -4 .00
Calculated Factors:
Total Cost: 4,178,000 C-Bills
Battle Value 2: 864 (old BV = 1,294)
Cost per BV: 4,835.65
Weapon Value: 221 / 221 (Ratio = .26 / .26)
Damage Factors: SRDmg = 15; MRDmg = 8; LRDmg = 3
BattleForce2: MP: 7V, Armor/Structure: 0 / 3
Damage PB/M/L: 2/2/1, Overheat: 0
Class: VA; Point Value: 9
EDIT: And here is what it let me save (HMV doesn't let you save not-legal designs).
I had to remove the Magshot and turn the Armor into Light FerroFibrous.
Type/Model: Polybolos Attack Helicopter*
Tech: Inner Sphere / 3060
Config: V.T.O.L.
Rules: Level 3, Standard design
Mass: 30 tons
Power Plant: 70 Omni XL Fusion with Jet Boosters
Cruise Speed: 75.6 km/h
Maximum Speed: 118.8 [151.2] km/h
Armor Type: Lt Ferro-Fibrous
Armament:
1 Light PPC*
1 Light PPC Capacitor*
1 Recon Camera*
1 MML7 (SRM)*
1 MML7 (LRM)*
Manufacturer: (Unknown)
Location: (Unknown)
Communications System: (Unknown)
Targeting & Tracking System: (Unknown)
--------------------------------------------------------
Type/Model: Polybolos Attack Helicopter*
Mass: 30 tons
Equipment: Items Mass
Int. Struct.: 18 pts Standard 0 3.00
Engine: 70 XL Fusion 2 1.00
Shielding & Transmission Equipment: 0 .50
Jet Boosters: 1 .50
Cruise MP: 7
Flank MP: 11 [14]
Heat Sinks: 10 Single 0 .00
Cockpit & Controls: 0 1.50
Crew: 2 Members 0 .00
Rotor Equipment: Main/Tail Rotors 0 3.00
Turret Equipment: 0 .50
Armor Factor: 76 pts Lt Ferro-Fibrous 1 4.50
Internal Armor
Structure Value
Front: 3 22
Left / Right Sides: 3 15/15
Rear: 3 10
Rotor: 3 2
Chin Turret: 3 12
Weapons and Equipment Loc Heat Ammo Items Mass
--------------------------------------------------------
1 Light PPC* ChinTur 5 1 3.00
1 Light PPC Capacitor* ChinTur 5 1 1.00
1 Recon Camera* Front 0 1 .50
1 MML7 (SRM)* Front 0 14 2 5.50
1 MML7 (LRM)* Front 0 17 2 5.50
--------------------------------------------------------
TOTALS: 10 11 30.00
Items & Tons Left: 0 .00
Calculated Factors:
Total Cost: 4,144,000 C-Bills
Battle Value 2: 869 (old BV = 1,233)
Cost per BV: 4,768.7
Weapon Value: 251 / 251 (Ratio = .29 / .29)
Damage Factors: SRDmg = 13; MRDmg = 7; LRDmg = 3
BattleForce2: MP: 7V, Armor/Structure: 0 / 3
Damage PB/M/L: 2/2/1, Overheat: 0
Class: VA; Point Value: 9