manned huge hot air balloon

La description

Model RQ**4 RQ**3 RQ**1 RQ***1 Total height *1 m *1 m *3 m *7 m Maximum take-off weight **0㎏ **0㎏ **0㎏ ***0㎏ Maximum payload **0㎏ **0㎏ **0㎏ ***0㎏ Required wind speed when balloon takeoff (m/s) Free flight＜6m/s，Tethered flight＜4m/s Free flight＜6m/s，Tethered flight＜4m/s Free flight＜6m/s，Tethered flight＜4m/s Free flight＜6m/s，Tethered flight＜4m/s Envelope Volume ***0 m3 ***0 m3 ***0 m3 ***0 m3 Grade AX*7 AX*7 AX*8 AX**0 Weight *5㎏ *0㎏ *0㎏ **8㎏ Max temperature **0℃ **0℃ **0℃ **0℃ Package volume 0.6 m3 0.5 m3 0.7 m3 1.1 m3 Burner Quantity 2 2 2 4 Fuel Propane or LPG Propane or LPG Propane or LPG Propane or LPG Basket L�W�H 1.2m�1.1m�1m 1.2m�1.1m�1m 1.5m�1.1m�1.1m 2.7m�1.3m�1.1m Weight *0㎏ *0㎏ *0㎏ *0㎏