Primer lines need to be silver soldered into their fittings. Using RTV to fix a leak is not acceptable and poses a serious fire hazard.
In Case You Missed It
Alternative Energies
Electric vehicles and aircraft may be the future, but how will we create the energy to power them while minimizing environmental damage? By Dean Sigler.
Zen Four a Day
Flying four of Zeniths designs at the factory in Mexico, Missouri, prompted a deeper appreciation for the company's utilitarian approach to design. By Marc Cook.