Kelpro999 Posted May 29, 2023 Report Posted May 29, 2023 Currently Looking for the hose from carb to firewall for fuel pressure gauge. Mooney spare parts manual specifies Stratoflex 193-xxx… yet reading manufactures applications it’s only for low pressure air and vacuum. Definitely not for fuel. What I have now is using 213-2D fittings with unknown hose that is cracking. Anyone else find a field fab hose that is compatible?
RLCarter Posted May 29, 2023 Report Posted May 29, 2023 Mine was Aeroquip 303, both in front of and behind the firewall 1
Kelpro999 Posted May 30, 2023 Author Report Posted May 30, 2023 4 hours ago, M20Doc said: That is indeed Stratoflex 193 hose. It does OK in fuel, just not a long time like 111 hose which doesn’t come in -2 size. I see it’s looking like everything else starts at -3 and up.
cliffy Posted June 5, 2023 Report Posted June 5, 2023 I looked up the actual spec sheet when I did mine and it says that it is good for fuel Do look it up yourself though
Kelpro999 Posted June 5, 2023 Author Report Posted June 5, 2023 2 hours ago, cliffy said: I looked up the actual spec sheet when I did mine and it says that it is good for fuel Do look it up yourself though The only thing I looked at was Aircraft spruce statements saying it’s not fuel rated but don’t know where they got that info from.
cliffy Posted June 6, 2023 Report Posted June 6, 2023 It was hard to find the original government spec sheet when I did it. I don't have it now. Long time ago (5+ years ago) 1
Kelpro999 Posted June 7, 2023 Author Report Posted June 7, 2023 (edited) 1 hour ago, M20Doc said: From www.Parker.com That explains Spruce response but not the Mooney spare parts book. Maybe it was once approved until it wasn’t However, it doesn’t exactly say it’s not approved, that little tidbit came from Spruce . The max temp limit isn’t really heart warming though Edited June 7, 2023 by Kelpro999
MikeOH Posted June 7, 2023 Report Posted June 7, 2023 57 minutes ago, Kelpro999 said: That explains Spruce response but not the Mooney spare parts book. Maybe it was once approved until it wasn’t However, it doesn’t exactly say it’s not approved, that little tidbit came from Spruce . The max temp limit isn’t really heart warming though I looked up the MIL-DTL-5593E (supersedes MIL-H-5593) specification and found a statement about being for low pressure air and vacuum systems for aircraft; no mention of fuel one way or the other. Qualification testing did include a 7 day submersion test in oil. Looking at chemical compatibility charts does show Buna N to be approved for gasoline. So, there's that.
Kelpro999 Posted June 7, 2023 Author Report Posted June 7, 2023 1 hour ago, MikeOH said: I looked up the MIL-DTL-5593E (supersedes MIL-H-5593) specification and found a statement about being for low pressure air and vacuum systems for aircraft; no mention of fuel one way or the other. Qualification testing did include a 7 day submersion test in oil. Looking at chemical compatibility charts does show Buna N to be approved for gasoline. So, there's that. Found the same. It’s called for in the parts book so I think I’ll ask Frank if he knows what replaces it or something else I’ve missed. Temperature limitation is another concern
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