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  1. #2151

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    RE: MOKI RADIAL Care and Maintenence

    I'm using 4.8 volt 3000 mah ni-cad batteries.
    Waco Brother #216

  2. #2152

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    RE: MOKI RADIAL Care and Maintenence

    You fellas having problems with down loading RC UNIVERS. EVEN MOVING FROM ONE REPLY TO THE NEXT ONE. EXTREEMELY SLOW.

  3. #2153

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    RE: MOKI RADIAL Care and Maintenence

    Maybe I missed it -does anybody have a source for the SKF LGHP 2 grease in small quantities for our gearboxes??
    Cant find it anywhere in the USA
    Thanks
    Jake

  4. #2154

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    RE: MOKI RADIAL Care and Maintenence

    Does anyone have a pic of the plumbing of the "new style" fuel pump, the one that has 3 lines?
    18 MZ Jetcat Moki CompArf H9 BVM Skymaster

  5. #2155

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    RE: MOKI RADIAL Care and Maintenence

    Picture of the pump is somewhere in this thread, but;

    In of pump: connect to tank pickup line
    Out of pump: connect to carb

    Release on top of the pump: connect back to the tank, for example T-connect to the fill line.

    edit: screengrab of picture here: http://screencast.com/t/v6AkBqgUDrjG

  6. #2156

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    RE: MOKI RADIAL Care and Maintenence

    Got picture of fuel system. Have no idea how to get picture down loaded. Really frusterating. To bad ya can't cuss on site, darn

  7. #2157

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    RE: MOKI RADIAL Care and Maintenence

    Right click on the middle of the picture, and choose an option.

  8. #2158

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    RE: MOKI RADIAL Care and Maintenence

    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  9. #2159
    WARBIRDRCER's Avatar
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    RE: MOKI RADIAL Care and Maintenence

    Another Moki takes to the skies on a Balsa USA 1/3 scale Stearman ownd and flown by Jim Ellis of the Oklahoma Sooner Squad.

    http://www.youtube.com/watch?v=8ZWplfIE92k
    WARBIRDRCER
    Spitfire, P-40, & P-39 Brotherhood #1
    Corsair Brotherhood #88
    F4U Brotherhood #2

  10. #2160

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    RE: MOKI RADIAL Care and Maintenence

    Finally found a source for gearbox grease (SKF LGHP2) - few left on eBay -
    Do a search for it.
    Seems like nobody else in the US has any!

  11. #2161

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    RE: MOKI RADIAL Care and Maintenence

    Check this "Grease Interchange Chart" out. This may help.
    The source is :

    www.timken.com

    A copy of the appropiate column is attached.
    Attached Files Attached Files

  12. #2162

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    RE: MOKI RADIAL Care and Maintenence

    Hello Moki owners.
    I just discovered that my prop 26x16 for my Moki 150 is to long for my Beaver. Yhe prop will hit the ground during take off! I think I had to use a prop size 24x?
    Can you recomend a 24" prop that suits the engine
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Best Regards Christian

  13. #2163

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    RE: MOKI RADIAL Care and Maintenence

    For the Moki 150, try a 24 x 18, 3-blade prop made by SEP and available from Vogelsang-Aeroscale (http://www.team-aeroscale.com/SEP.html)

  14. #2164

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    RE: MOKI RADIAL Care and Maintenence

    Sorry, just noticed you are in Denmark... I'm sure there are distributors of SEP props in Europe.

    By the way, your plane looks great! Good luck with the Moki-powered flights!

  15. #2165

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    RE: MOKI RADIAL Care and Maintenence

    Thank you.

    Well a 3 bladed could offcourse be a great choice. The model is 2,90 meter. Enclosed a picture with me to see the size.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Best Regards Christian

  16. #2166

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    RE: MOKI RADIAL Care and Maintenence

    What about a 4 blade prop for the 150. Anyone know what size tha fit?
    Best Regards Christian

  17. #2167
    jetpropdlx's Avatar
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    RE: MOKI RADIAL Care and Maintenence

    Advice wanted.

    After several flights without any problems with the moki
    Today, experience problems:
    after starting the engine , warming up , everting fine, taxing for take of stil no problem.
    Then slow acceleration to half throttle then the engine lost power for a second then more throttle input given plane started to fly, engine kept running but sounded like the ignition stopt working now and then, I was able to land the plane safely.
    I used a LiFe 6,6V 2300mAh ignition battery with a 5A 5V Ubec, after landing I replaced this battery by a 5cell 2400mAh NiMh (this accu i used before for the ignition with the same Ubec)
    Tried the engine, engine choked, and started tried to give more throttle but engine stopt, after that i was not able to start the engine.

    I looked at the 2 leds on the ignition
    according to the manual the 2 leds whould need to light both after turning the prop this doe not happen led 2 comes on 2 or 3 times en then stays off

    I made a short film of the leds on the ignition (note the ignition is switched on and off together with the fuelpump)
    http://www.youtube.com/watch?v=T8FR_lOeV04

    Thanks in advance

    Eric
    same moki in better days

    http://www.youtube.com/watch?v=nr9DgaktvCQ
    indoor flying less space more fun

  18. #2168

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    RE: MOKI RADIAL Care and Maintenence

    In my manual is written to use 4 cell 4.8Volt?
    Best Regards Christian

  19. #2169
    jetpropdlx's Avatar
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    RE: MOKI RADIAL Care and Maintenence

    thats correct, in mine as well, thats why i use the 5V regulator (4cells fully charged is more then 5V)
    indoor flying less space more fun

  20. #2170
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    RE: MOKI RADIAL Care and Maintenence

    Hi Eric, it's difficult to form a view from here but the ign unit is picking up power, solid green led, the other led should have five pulses per rev. Now there is a breakdown somewhere, check your low tension connections the multi plug to the ign unit, check the hall sensor pickup remove from engine and pass a magnet over it you should get one flash per pass. If all this checks out you probably have a faulty ignition unit...............hope this helps.

    m

  21. #2171

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    RE: MOKI RADIAL Care and Maintenence

    Hi, Noob question for you all: Are these moki radial engines similar in function and sound to the radial engines on actual aircraft?

  22. #2172
    jetpropdlx's Avatar
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    RE: MOKI RADIAL Care and Maintenence

    Thanks Mick
    I'll will try that

    here at approx 1 min you can here/see the take off , with the moki behaving badly
    Meeting Bladel

    I did some tests
    with a magnet the led nr2 goes on each time.
    with the sensor reinstalled depending on the position of the prop the led lit max 5 times (with the coils not connected it's the same)
    after installing 5 new spark plugs to the ignition leads. after several turns found a constant.
    No spark when the leds lightends , ONLY the sparkplug of cyl nr 2 , after this one had a spark the led nr2 goes out and stays out
    sometimes after that i heard a high pitch tone (like a highvoltage powersuply)

    Thanks for more advice

    Eric

    indoor flying less space more fun

  23. #2173

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    RE: MOKI RADIAL Care and Maintenence


    ORIGINAL: jetpropdlx

    thats correct, in mine as well, thats why i use the 5V regulator (4cells fully charged is more then 5V)
    Eric,

    you asked for my statement.

    Really not easy "on the phone". But it might well be a bad ignition. We had 2 failures here ( one with my own 180, one with a 215) where the black box was the bad boy. constantly misfiring and cut of in flight, but starting was normal.


    Replaced it ( fast guarantee exchange from Airworld) and the problem was gone.

    Perhaps you cann borrow one from a friend??


    Attention:

    I assume you checked your electronic switch, not all of them work well with the moki ignition (!!) ??

  24. #2174
    jetpropdlx's Avatar
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    RE: MOKI RADIAL Care and Maintenence

    Hello Detlef,

    Thanks for your advice

    I tried it also with the igintion unit connected directly to a battery (makes no difference)
    Sent a e-mail to airworld this morning but had no reaction (maybe they are closed on monday)
    maybe try to call them tomorrow.

    ps is the ignition from a 250 the same as the 215 ??
    maybe i can ask Hans ( from holland) (who contacted you last week for his 250 turbulator/filter)

    thanks

    Eric
    indoor flying less space more fun

  25. #2175

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    RE: MOKI RADIAL Care and Maintenence

    All, I have owned a 150 and an older 215 and learned much running them on the bench. Recently I replaced an engine in my OMP Yak 55M with a brand new 215 from Gotz Vogelsang. I am using the APS fuel pump and the Kunkle Turbulator just like on the two previous engines. It is a real pleasure to actually fly a Moki for once. What a true thrill. I am using Amsoil Interceptor at 40 to 1. Airflow has been optimized and all cylinders are at the 190 F range after taxiing in and shut down. It seems that the quality of the Moki's has improved. The finish is finer and the exhaust is far cleaner with nearly nonexistent black goo. I recall the 150 and the older 215 producing a great deal of the dreaded black crud and was all over the place. No I was not running overly rich then or anything else different, same oil too, even later at 50 to 1. I am using a Fiala 32x18 prop. Later I will progress to 50 to 1 oil. At 40 to 1 the five spark plugs show good combustion. I am happy with my 215. -Tom

    Noah Butler, Are you still flying that wonderful warbird of yours?


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