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  1. F

    Expansion rate comparison of brake lines

    Hi folks, does anyone have ballpark figures for the following brake line expansion rates? Rubber lines SS / TPFE braided lines Hard lines Many thanks!
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    The Many Formulations of Fluoroelastomer, FKM, FPM, Viton

    Hello folks, I am thinking about using one of the more chemically resistant Viton formulation at least for O-rings in the case and under the cylinders and maybe oil pump along with front and rear crank seals if I can get them. Has anyone found a good source for smallish quantities of (mostly...
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    Beringer Master Cylinder Spring Rates

    Hi folks, I am guessing some of you may have noticed that the return spring rates on the Beringer master cylinders is quite a bit higher than Groves and others. The calculate out to me to be about 2N/mm. I have rocker toe brakes so that I can manually return. Has anyone looked at fitting...
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    Any experience with Lithiumax start batteries?

    Hi folks, has anyone had any experience with these batteries. We don't have access to EarthX downunder. Specifically any comments on electrolyte decomposition / LiO2 or O2 generation and swelling / case cracking and the quality of the BMS of these items. (Could case swelling also be related...
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    Beringer Master Cylinder Plumbing

    Hey folks, I am looking for some inspiration. Does anyone have any build photos for their brake set ups they can post?
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    Help sourcing these parts

    Hey folks, I need a bit of help sourcing the parts in the photo. I have found the little top hat nylon washers, they are from an Alpi 200 canopy. The 10/32 SS dome head machine screws are OK but the chamfered edge (flying saucer style) nylon washers are very hard to find. Any thoughts? The...
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    Molding your own engine mount isolators

    Hi folks has anyone done this before? For 50 to 55 shore durometer elastomer it looks like they need to be molded rather than machined. Also heat is an issue when that soft. So I am thinking Silicon rather than Urethane? Can anyone point to a recipe for a silicone based highly damp compound I...
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    Electric window motor and regulator for flap control

    This is my flap controller. It is the motor and regulator from a 1997 - 2003 Toyota Prius NHW10 Motor: 85710-47020 Regulator: 69801-47010 It has got clunky so time to replace it. Has anyone else used these before? If so what part numbers did you use? These are the numbers for a similar...
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    Best AHRS chipset in portable ADSB receivers

    Hi folks, Any thoughts on which of the following have the best chipsets / most reliable (non self erecting) AHRS performance. Appareo Stratus 3 iLevil Astro Link iLevil 2 SW iLevil 2 AW iLevil 3 SW iLevil 3 AW Dual Dual XGPS 190 SkyRadar SkyRadar-DX Sagetech Sagetech Clarity SV Stratux...
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    High Quality Metric Fasteners

    Hi folks, does anyone know where to get high quality metric fasteners, without buying Diamond or Airbus part numbers! Something like these serrated M8 washers and M8 flange lock nuts.
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    Minicab GY-20 - Elevator Deflection

    Hey folks, does anyone know the elevator deflections for these? It is currently at -25 +20. They have a tail-to-elevator-chord ratio of ~0.5. Is this too much?
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    Light Weight - 0.01 Digital Protractor for Prop Pitching

    Hey folks, Does anyone know of something better than the standard resolution: 0.01°; accuracy: ±0.1° at 0° and 90°, ±0.2° 2° - 89° mems driven level/protractors...
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    Teknofibra Fire Sleeve, Tape and Firewall products

    Hello folks, Has anyone used any of the Teknofibra products and know if it lives up to the hype? I assume you could probably do their butane torch on your hand trick with standard fiber glass heat shield as well, but it does look light and the sound proofing aspect could be a bonus? I am...
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    MGL HXL to Enigma swap

    Hello folks, Has anyone done this before. Is it as easy as it looks? I assume so long as I have a CAN bus RDAC it should by a straight swap? HXL: Enigma:
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    MGL Enigma Display

    Hello folks, If anyone has one of these I am looking for a direct swap for my existing HXL. I am in New Zealand but have a freight forwarder in Portland so no complicated shipping issues. $100 for good working head unit OK?
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    Dual fuel filters, pumps, check valves stack - vibration question

    Hello folks, This is what ULPower, the engine manufacture recommend. I am looking to move away from slip on fittings to AN (and braided teflon for the flex hoses). This is one side of the 100 micron filter > Bosch 044 pump with AN both ends > Check valve stack. Note the T fittings to separate...
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    XFlighttech Autopilot

    Hi Folks, Does anyone have any experience with the XFlighttech autopilot/AHRS? It looks to be based on the ardupilot open source drone software.
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    Oil Cooler Damper Calculations

    Hello folks, Before I dive into understanding vibration and shock theory in the Lord Catalogue http://files.lord.com/pdf/44/PC6116_AerospaceandDefenseIsolator.pdf and fill out the engineering data questioner, does anyone have a suggestion for an oil cooler damper for the following installation...
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    Nut tensile required for forward horrozontal stab mount point

    Hi folks, we are looking to add an other 1/4" of 5ply on top of this doubler and struggling to get the right length AN bolts. If we use a thin series nut MS21083-428A with a min tensile strength of 2290lbs and one washer rather than two in the photo below then an AN4-66A will work we cant get a...
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    Battery options

    G'day folks, The ULPower engines require electricity to run and draw around 20A for the high pressure fuel pump ECU coil etc. In the event of an alternator failure I will need as much capacity as I can practically carry. I am thinking of using an AGM battery like this...
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