Universal Upper Stage "Fregat"
- Purpose: Design and manufacture of upper stage for use as the 3rd stage of the launch vehicle and launch vehicles loading into various satellites orbits.
- Flight qualification of the product: Yes
- Brief history of flight qualification: Upper stage "Fregat", upper stage "Fregat-MT", upper stage "Fregat - SB".
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Initial mass with maximum dressing, kg | 6235/7640/11680 |
| Final weight, kg | 945/1035/1080 |
| Dimensions: height / diameter mm | 1875/3440 1945/3800 2435/3875 |
| Fuel components: oxidizer / fuel | AT / UDMH |
| Maximum working fuel reserve / full refueling, kg | 5235/5307 6550/6650 10140/10330 |
| MDU thrust: BT / MT mode, kgf | 2030±100/1420±150 2030±100/1420±150 2030±100/1420±150 |
| Specific impulse: BT / MT mode, s | 333,2/320 |
| Maximum numberMD inclusions | 7 |
In accordance with the specification of the customer. On the basis of the basic upper stage "Fregat" a number of highly efficient booster blocks have been created.
Remark
The use of additional fuel tanks and a dropable block of tanks (upper stage "Fregat-MT" and upper stage "Fregat-SB") at upper stage "Fregat" allowed to significantly increase the mass of refueling and, thereby, increase the efficiency of the upper stage.
Legal information
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