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Changing oil

in 912 / 914 Technical Questions 12 years ago

  • Re: Changing oil

    by » 12 years ago

    Hi Bernard,

    Don't use a straight mineral based oil and never use a straight viscosity oil. It should always be a multi-viscosity oil. Stick with the semi synthetic oils for use with 100LL. They have far better properties over a straight mineral based type oil and will suspend the lead in the oil. The full synthetic will not. We have the same fuel rules down in Tucson at Ryan. We just fuel with the hangar door shut and don't advertise that we do this. There are many people at Ryan that do this.I know people in Deer Valley that do the same thing. Also when you do use 100LL use a lead scavenger like Decalin to help keep the leading down. It isn't a cure all, but it will help.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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  • Re: Changing oil

    by » 12 years ago

    I would rather smuggle Mogas into the hangar then run 100LL. I had done an inspection on a sportstar where I has to remove the exhaust pipe to remove the oil filter. There was so much lead on the value/ stem. It only had 100TT on the engine. Bernard what does that airport consider certified container. The airport I work for, we saw how the lightsport /rotax was taking off so we altered the leases to say the could store no more then 20gallons of fuel in approved California tanks. We had a group that wanted to use to install a Mogas tank but the liability was huge. So we changed the provisions.
      
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  • Re: Changing oil

    by » 12 years ago

    Ryan, thank you for your reply. When I use 100LL I add Alcor TCP, recommended by Rotax. TCP will suspend the lead in the oil and prevent or at least reduce lead build up on the valves.

    When I arrived at Deer Valley Phoenix I was required to view a vedio that explained airport rules. One of the rules dealt with fueling your own airplane which can be done but I would need a fuel handlers certificate and would have to use approved fuel cans. They were made of metal, had to have an approved shutoff valve and grounding hookup. I checked into the cost of the described cans. They were in the vacicity of $85 each plus the fuel handlers certificate costing $100 per year.

    Sure I could smuggle in my fuel and this would work until I was discovered then I would be cited,fined and probably thrown off the field. In conversations with pilots who have their planes near me I was informed that the current manager is, to say the least a stickler for enforceing airport rules.

    My plane is not in a hanger but in a shade hanger. The plane is fully covered but under constant observation.

    I operated for 10 years at an airport in Florida and self fueled but certinally not with the restrictions imposed on those who want to self fuel at my current airport. :sick:
      
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  • Re: Changing oil

    by » 12 years ago

    I had attached the pdf outlining the self fueling rules but I don't see it. Try this link if you want to view it.

    http://skyharbor.com/pdf/RR_02-09-Self-Fueling.pdf
      
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  • Re: Changing oil

    by » 12 years ago

    Roger:
    I really have to take issue with you suggesting that people refuel in hangars, with or without the doors closed. That is an unbelievably dangerous prectice, not only for the person refuelling but also to the other residents' airplanes. It is said that the vapour from one cup of petrol has the explosive power of 15 sticks of dynamite! In every hangar that I have been in, that rule is absolute, and with really good reason.
      
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