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IMG_9570ann
2010 06 12 - Completed the plumbing for the new mechanical fuel pump this morning. Fire shield on all fuel lines. Everything connected in the proper sequence.
Date: 06/12/2010
Views: 4722
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IMG_7431post
The new fuel pump on the right and fuel pressure regulator on the left.
Date: 03/15/2010
Views: 4298
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IMG_1235ann
2010 06 21 - The new Billet pump and regulator arrived so I went out to the hanger and installed it. The new pump and regulator were supplied with AN6 Flared Tube fittings this time so the exchange was trivial. Must have taken all of 5 minutes.
Date: 06/21/2010
Views: 5412
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IMG_7432post
The fuel pump is supposed to be capable of 100 GPH @ 50 PSI. The fuel pressure regulator will drop that to 10 PSI for the existing Rotax fuel pressure regulator.
Date: 03/15/2010
Views: 4893
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IMG_7558post
I located a couple AN-6 adaptors to replace the hose barbs on the regulator. The adaptors are from Earl's (anplumbing.com), part #AT985006ERL for the black one and 995006ERL for the blue one. They are called AN "O" Ring Port Adaptors, AN-6 to
Date: 04/30/2010
Views: 5048
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IMG_9558ann
Gathered up the bits needed to install the new pump: spacer/gasket, studs, lock washers & nuts.
Date: 06/06/2010
Views: 5076
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IMG_0919post
Some pics after the engine run-up and taxi tests today.
Date: 07/01/2010
Views: 3836
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IMG_1237ann
The new regulator is 25 psi. Should be plenty of pressure available to feed the 914.
Date: 06/21/2010
Views: 4516
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IMG_1238ann
The vent port was reversed from the original regulator. This one points forward. Had to do some tugging on tubing to get it all arranged. As soon as I have my new brake caliper installed and tested, I'll be ready to start testing the engine.
Date: 06/21/2010
Views: 4471
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IMG_1236ann
The new pump is rated at 50 psi output.
Date: 06/21/2010
Views: 4756
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IMG_7560Ann
Dan at Billet sent a couple AN-6 adaptors to replace the hose barbs.
Date: 04/30/2010
Views: 4539
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IMG_7430post
This is the way the new fuel pump and fuel pressure regulator arrived.
Date: 03/15/2010
Views: 5895
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IMG_9571post
The fuel lines were tied with tie-wraps and 1/2" (12.7 mm) rubber fuel hose lengths. The vent hose was tied in as well by running it through short lengths of fuel hose and using tie-wraps to hold the rubber hose and protect the vent line from chafin
Date: 06/12/2010
Views: 5513
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IMG_1087ann
Then problem #2 - bolts that held the cover plate in place wouldn't fit into the space provided on the pump.
Date: 04/03/2010
Views: 4750
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IMG_1086ann
Back in early April I attempted to bolt the new Billet Pump onto the gearbox. Problem #1 - It didn't fit the boss on the gearbox. It hit a raised area at the edge of the boss.
Date: 04/03/2010
Views: 4945
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IMG_7532ann
A phone call to Dan at CorbiAir resolved the first two problems. The pump is designed to REPLACE an existing pump which would have a 950 226 or 950 227 spacer/gasket in place. This would hold the pump off that edge. And if there were a pump in place, t
Date: 04/18/2010
Views: 5135
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IMG_9569post
A side view of the installation. Tomorrow I'll be trying to complete the installation of the new control column mounted brake master cylinder. If that is done and I have working brakes, we may try an engine run.
Date: 06/12/2010
Views: 5275
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IMG_1093ann
Finally, problem #3 - 3/8" hose barb input and 1/4" hose barb output. There is an issue locating a 1/4" hose barb banjo to attach to the Rotax fuel pressure regulator.
Date: 04/03/2010
Views: 4917
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IMG_0920post
Some pics after the engine run-up and taxi tests today.
Date: 07/01/2010
Views: 6468
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IMG_9561ann
Overview. Flip the fuel pressure regulator, add firesleeve and put in the AN6-6 nipple to connect the input hose to the input fuel flow meter and the installation will be complete. Maybe later this week when all the bits for the brake and fuel line come
Date: 06/06/2010
Views: 4832
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