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Engine Specific Info and Questions => IDI Engine => Topic started by: chris24g on July 06, 2015, 09:37:27 am

Title: Is this not a turbo pump?
Post by: chris24g on July 06, 2015, 09:37:27 am

(http://i.imgur.com/jPfT0eQ.jpg)

The aneroid does not have the barbed fitting for boost. The small port on the side of the aneroid where I thought a line would go is sealed. Or appears not to be tapped through.  ???

Title: Re: Is this not a turbo pump?
Post by: vanbcguy on July 06, 2015, 07:04:29 pm

There are some NA pumps made with aneroid castings, but they were never actually machined for aneroid parts. If you open the top and find it empty that's what you have.

There's also the altitude compensating pumps which have a similar setup but have a pressure cell plumbed to the bottom rather than the top of the space ship.

Title: Re: Is this not a turbo pump?
Post by: chris24g on July 06, 2015, 10:02:23 pm

Ok, I always thought if there was a UFO on the pump, it was a turbo pump. Thanks for enlightening me. When I get around to opening it up, I'll post pics.