ISEE-3 Reboot Project Seeks Your Help To Solve a Technical Problem

We have a crowdsourced research project for our ISEE-3 Reboot fans. One of our volunteers, Karl-Max Wagner from Germany has an interesting idea. Did the Nitrogen pressurizing gas dissolve in the Hydrazine in the tanks?

This is something that we would like to research and for efficiencies sake and to get the job done quicker, we would like our project fans out there to help us in this research. I am reading an old USAF document on this now and it may be nothing, but it also may be something. We need to research the following:

- What is the solubility of Nitrogen in Hydrazine?
- What is the temperature dependence?
- Most important, what is the time required to dissolve 1 kg of Nitrogen in 15 kg of Hydrazine? This is an approximation for both tank systems of course.

This is important. Don't just throw stuff on the wall, help us research this.


Dennis Wingo

Send your thoughts to or post them in the comments section below.

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