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Type: Posts; User: fgroza

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  1. Replies
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    446

    set your timing to low. I had the same thing with...

    set your timing to low. I had the same thing with the waco. I used the program card to make it easy--no beeps to listen for.
    Frank
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    643

    RE: MINI C CAVITATION PROBLEM

    You may need to run the smallest bronze prop Octura makes!!Hi rpm usually needs small props whereas low kv can turn larger props..
    Im running a Mega 3 turn- 3000kv- with a TP 1350 3 cell turning a...
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    4,163

    RE: Engel Lafayette

    You may want to look at the new 212 kit. It builds very fast and is complete down to the decals. It is very fast in the water and turns on a dime.
    Frank
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    643

    RE: Anti skid paint

    Try using a flat black or weathered black paint such a Floquil railroad colors. If it is not available in your country, i'm sure that a paint is available that will work.
    I have even used 600 grit...
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    RE: submarine dive planes: best configuration

    On my subs, i use the bow planes to control the boat manually and have the rear dive planes controlled by the APC. Some boats use the rear dive planes only Permit class nuke and have it connected to...
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    7,853

    RE: ballast tank pump help needed

    Go to an auto parts store and buy a front windshield washer pump for a 1990 Volvo, it costs about $9 here in the states.
    Frank
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    1,881

    RE: Any Revell 1/72 VIIC conversion out there?

    Go to Big Daves wtc's or Caswell plating. Both have what you need. Daves is a RCAB system, Merrimans is gas.
    Frank
  8. Replies
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    1,534

    RE: Robbe U47 help

    I soldered a brass strap across the tube and then epoxied that to the tray.
    So far it is holding. email me at fgroza@msn.com for photos
    Frank
  9. Replies
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    RE: First Dumas Prime Time kit

    The Pegasus is a Graupner kit. I had one years ago. It is a vaccum formed abs kit.
    I have a Time kit waiting to be built. Seems that the new run of kits from Dumas have abs hulls instead of glass....
  10. Replies
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    31,129

    RE: Any AMSTERDAM (Or her sisters) Builders?

    Mark,
    email me your address and I'll send you the one from my kit. I have a brass one for mine. No charge!!
    fgroza@msn.com

    Frank
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    RE: where to buy a shock flyer

    Roffeetvhobby 740-685-2552
    Mike is in Ohio
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    RE: Need help powering a yacht.........

    Make sure your esc can handle 40amps. Also, they should have reverse. You may look into sealed batteries for your motors. I plan on using two of these in my Pegasus.
    Frank
  13. Replies
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    31,129

    RE: Any AMSTERDAM (Or her sisters) Builders?

    I'm in the process of build one of the Latina kits. Nice cutting on the supplied wood. I'm running a 5 blade brass prop driven by a very large ballbearing 12/24vdc motor. I did all of the "internals"...
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    1,172

    RE: Ripmax easy street

    You need a 600 size BL motor say a Phasor 30-3 direct with a 9-7 and 10 cells for great performance. This plane is close to the Estreak and this is my setup. And yes, I have two Estreet kits waiting...
  15. RE: What would it take to Elictrify a Great Planes Fokker DR-1?

    Dave,
    I'm building a 1/5 scale Arizona Models DR-1 which is the same size as the GP version. I'm using a Astro 40 geared with a 18-8 prop. I will try 21 2600 nimh cells to start than may go lipo if...
  16. Thread: Diode on motors

    by fgroza
    Replies
    4
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    645

    Diode on motors

    The silver band on the diode goes to the + positive terminal. Rember to SOLDER all connestions.
    Frank
  17. Replies
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    481

    Still lost, caps on AF?

    With the AF you need 3 caps. One between the motor terminals and one from each terminal,-+, to the motor case. ALSO, with the Castle esc, there is a Shottky diode that goes between the motor...
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    front pinion gear heeelp!

    Cold weather makes the teeth brittle. My LHS sells alot of them this time of year!
    Frank
  19. how many cells do i need for my astro cobalt motor?

    You also need to know if is a F.A.I. wind motor. The regular 40 is good to about 24 cells. The FAI is around 10 cells, if memory serves me! Look up astro flight or Leasure Electronics for references....
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    Brushless Motor Question!!!

    You might want to try the speed 300 motors before you go BL. Speed with this plane might not be what you want. There is one for sale at my LHS because it is soooo slooow!!!
    Frank
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    Can I Convert My 110 To Electric

    Roffee has a couple of the LMH conversion kits in stock.
    740-685-2552 ask for Mike.
    Frank
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    3,143

    electric sailplane - which one?

    I love my Eclipse! Took out the sp 600 and put a 17 turn with a 3.8/1
    inline gearbox with a 11-7 folder. Flys great!
    Frank
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    Quality replacement for GWS "A" motor?

    You may want to try a 50 ducted fn motor from GWS. This "hybrid" is faster but does not last as long. For the money, buy several extra motors and have some fun!
    Frank
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    Radical edge 540---Which Hacker

    I think Dave is using a B-20-15L w4/1 GB. He is also using li-poly cells.
    Frank
  25. Replies
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    A Question On Converting 110 To Electric

    007,
    You might want to talk to Mike at Roffee's. He sells LMH kits/parts and is only a 1hr. drive to the Cambridge area.
    740-685-2552

    Frank
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