[quote name='sai_k' date='04 January 2010 - 12:21 AM' timestamp='1262544230' post='103296']
Q: Does Gel fuel has the same advantage as liquid for say in the mid-course, I could have a few NFU gel-fueled-agnis in a loitering orbit with engines switched off or least use mode.. and upon target acquisition and C&C guidance go for the mid-course ballistic kill?
[/quote]
If one wants to place a space bourn BM, I do not believe restartable engine is interesting. Using staging is far more efficient instead of using one common stage for orbital parking and re-entry. Recall that once in parking space one needs only net impulse to re-enter, high amount of force is not required. Thus simply having a pressurized space maneuvering engine, or small solid engine will do just fine; and it can be one and the same as velocity correction package in the RV.
Q: Does Gel fuel has the same advantage as liquid for say in the mid-course, I could have a few NFU gel-fueled-agnis in a loitering orbit with engines switched off or least use mode.. and upon target acquisition and C&C guidance go for the mid-course ballistic kill?
[/quote]
If one wants to place a space bourn BM, I do not believe restartable engine is interesting. Using staging is far more efficient instead of using one common stage for orbital parking and re-entry. Recall that once in parking space one needs only net impulse to re-enter, high amount of force is not required. Thus simply having a pressurized space maneuvering engine, or small solid engine will do just fine; and it can be one and the same as velocity correction package in the RV.