I am looking through an Aerotech J800T reload kit, and see:
2 x 2" x 1/8" O-Rings, Forward and Aft
1 x 2" x 1/16" O-Ring for the Liner
In looking at the instructions, the 1/16" O-ring is installed on the nozzle, and ends up between the Aft edge of the liner, and the forward edge of the flange on the nozzle. The Aft O-Ring (2" x 1/8") installs between the aft closure and the aft edge of the flange of the nozzle. All good here.
Up at the forward end, there is no O-ring for the forward seal disc? Is there supposed to be an O-ring for the Forward seal disc? The instructions make no mention of this, and no O-ring is included. Does this sound correct?
Actually, in the instructions, there is no mention of the forward seal disc at all. It is not in the drawing, and not mentioned. Is this right? Do some reloads not use the forward seal disc? In the drawing, it shows a small space in front of the forward most grain, then the forward insulator disc, the forward O-Ring, and the forward closure (with delay grain)
I can read and follow directions, so these may be dumb questions. I would rather ask a dumb question than see a cato on this motor.
Why would some motors use a forward seal disc, and others not?
Cheers.
2 x 2" x 1/8" O-Rings, Forward and Aft
1 x 2" x 1/16" O-Ring for the Liner
In looking at the instructions, the 1/16" O-ring is installed on the nozzle, and ends up between the Aft edge of the liner, and the forward edge of the flange on the nozzle. The Aft O-Ring (2" x 1/8") installs between the aft closure and the aft edge of the flange of the nozzle. All good here.
Up at the forward end, there is no O-ring for the forward seal disc? Is there supposed to be an O-ring for the Forward seal disc? The instructions make no mention of this, and no O-ring is included. Does this sound correct?
Actually, in the instructions, there is no mention of the forward seal disc at all. It is not in the drawing, and not mentioned. Is this right? Do some reloads not use the forward seal disc? In the drawing, it shows a small space in front of the forward most grain, then the forward insulator disc, the forward O-Ring, and the forward closure (with delay grain)
I can read and follow directions, so these may be dumb questions. I would rather ask a dumb question than see a cato on this motor.
Why would some motors use a forward seal disc, and others not?
Cheers.