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Philip Welsch

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About Philip Welsch

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    Master Crew Member

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  • Location
    Mimbres, NM
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  1. Prop Issue -- Cosmetic or Serious?

    Your Experimental Operating Limitations probably require your geographical FSDO to provide written approval of the "Major Change", prior to flight, if you replace the Neuform.
  2. Replacing the MASTER switch with a TYCO X2M1G Switch

    If you install the toggle breakers (W-31) to replace the existing W-23 you will need to enlarge the hole - the neck of the W-31 is larger in diameter. Also, to have the toggle face down when off, the W-31 will need to be installed "up side down" relative to the position of the W-23. That means that the wires will need to be untied to make them long enough to reach the proper line and load terminals on the W-31. My W-23 Battery Master failed at 930 hours and about 1,500 cycles. No where near the 6,000 electrical or 10,000 cycle mechanical cycle indicated in the breaker spec sheet.
  3. Continued Use of Battery Charger?

    Odyssey engineer told me to use snoeflake setting for their PC 310 battery but not to charge it directly after flight. Told to wait until surface charge had dissipated before connecting charger so that charger would not think surface charge was actual charge state.

    The BS06 is a 6v battery isn't it? The BS12 is somewhat larger.
  5. New Rotax oil filter Service Bulletin

    Dean Vogal from Lockwood said this morning that 010 and 012 filters are not included in this SB. prw
  6. I’m going Elsa and need direction please!

    Watch out for your Experimental Operating Limitations. Have the DAR sent you a copy of them before you change. You could end up with an FAA requirement to comply with all manufacturers life limited articles or include in your inspection program an FAA approved program that provides an equivalent level of safety for those articles. I don't know if this includes engine overhaul based on TBO. prw
  7. Odyssey Battery PC310 Cheap

    Battery Mart sent me PC 310 last week that was manufactured 10 months ago, arrived at 12.05 volts and would not charge above 12.77 volts ( 12.84 v full charge) with a CETEK charger. Returned it for credit but lost shipping costs. Apex will not or can not tell me when batteries they ship were manufactured - only that they will be less than one year old. Historically I get less than 3 years out of the battery. Any suggestions for a "new" battery that will charge fully. prw
  8. Cruise - efficiency vs fuel management

    Could be location of pitot tube relative to direction of slip. prw
  9. Rotax TBO Extension

    Has anyone seen specific FAA approved "other methods, techniques and practices acceptable to the Administrator" (43.13, 43.16) regarding TBO extension of SLSA Rotax engines? Methods, techniques and practices prescribed by the aircraft or component manufacturer of course are approved but do not provide for TBO extension. I know the Canadians have a protocol but I've seen nothing from the FAA that would clarify this. Philip
  10. Low Cost ADS/B solutions

    Does this have anonymous selection?
  11. CTEK charger behavior

    I had a similar situation with my CTEK. It turned out in my case the CTEK positive clip was not well connected to the aircraft charge wire. I corrected the connection and had to unplug and re plug the charger (re boot?) to get normal operation. PRW
  12. Odyssey engineer (Bruce 620 429-7506) told me to use CTEK Multi 4.3M charger on Snowflake setting for PC 310. We had a long conversation in August 2015 about the 310 and the Rotax charge systems inability to fully charge an AGM battery. Rotax can not charge at 14.2 volts and the 310 requires that to achieve its 12.84 volt full charge.
  13. Drilling into the "mushroom"

    I used a 6-inch piece of 1-inch aluminum channel (extrusion) to back the Ram mount supporting an ipad 2. Two 3/16 bolts through Ram and channel. Be sure channel clears autopilot and EFIS. About 500 hours in use with no cracks or deformation noted. prw
  14. TheTechnam SLSA on display at Copper State that had a 914.