RE: Nitro models pusher Bobcat?  
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    • All Forums >> RC Airplanes >> RC Jets >> RE: Nitro models pusher Bobcat?
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    RE: Nitro models pusher Bobcat? - 7/30/2008 9:18:52 PM   
    bob092


     

    Posts: 7
    Joined: 1/2/2005
    From: Worcester, MA, USA
    Status: offline     		duplicated answer....removed

    < Message edited by bob092 -- 7/31/2008 12:40:04 AM >

    (in reply to tizer33)
           Post #: 3326

    RE: Nitro models pusher Bobcat? - 7/30/2008 10:43:51 PM   
    opjose



    Posts: 6145
    Joined: 11/26/2005
    From: Poolesville, MD, USA
    Status: offline
    quote:

    ORIGINAL: squidster


    The AOA is correct. Why would you want to argue with what you don't have knowledge of?




    Don't speak about what you know not.


    You obviously missed that I have now five of these planes so I can speak from SOME experience.


    Downthrust is - NOT - needed with glow ( and electric ) engines using the standard mounting scheme.

    The turbine coversion does require some downthrust.


    The plane does NOT pitch up if the glow/electric ngine is mounted on the centerline.


    If the plane requires an overly long run for takeoff, the AOA is - WRONG - period.






    _____________________________

    -
    Build em'', fly em'', crash em'' and build more.

    (in reply to squidster)
           Post #: 3327

    RE: Nitro models pusher Bobcat? - 7/30/2008 11:35:50 PM   
    HeliTB



    Posts: 1203
    Joined: 9/14/2006
    From: Fort Washington, MD, USA
    Status: offline     		opjose... I tend to agree with your position. I will more than likely fly the bobcat with the OS 55 AX mounted in the centerline to see if I need downthrust. I don't want to do something that's not necessary. If my particular Bobcat needs downthrust, no harm no foul. If it doesn't need any, again no harm no foul. Thanks for the advice. Hopefully I'll maiden her this weekend if its not to hot.


    _____________________________

    Raptor v2 OS 37/Bobcat Jet OS .55 AX
    Extra 330L 25% SV26cc/SIG Kougar OS .46 AX

    (in reply to opjose)
           Post #: 3328

    RE: Nitro models pusher Bobcat? - 7/31/2008 8:20:36 PM   
    squidster


     

    Posts: 60
    Joined: 12/19/2007
    From: oviedo, FL, USA
    Status: offline
    quote:

    ORIGINAL: opjose

    quote:

    ORIGINAL: squidster


    The AOA is correct. Why would you want to argue with what you don't have knowledge of?




    Don't speak about what you know not.


    You obviously missed that I have now five of these planes so I can speak from SOME experience.


    Downthrust is - NOT - needed with glow ( and electric ) engines using the standard mounting scheme.

    The turbine coversion does require some downthrust.


    The plane does NOT pitch up if the glow/electric ngine is mounted on the centerline.


    If the plane requires an overly long run for takeoff, the AOA is - WRONG - period.






    You might ought to consider your own comments sir. Have you seen our set up to make the determination that you speak so pompously about? I don't think so.

    I'm glad what you have works for you. What we have works for us. Oh BTW, we have 5 of these also. So I believe I am also speaking from a position of experience.... Experience with OUR planes, not your s or anyone else's.

    Further, I made no comment about the plane pitching up as you suggest. I made the statement and observation from EXPERIENCE that downthrust would dramatically recduce the takeoff roll length.

    Please stop by sometime if you are in Florida, you can have a look for yourself. Heck I might even let you fly one of 'em.

    (in reply to opjose)
           Post #: 3329

    RE: Nitro models pusher Bobcat? - 7/31/2008 8:24:07 PM   
    squidster


     

    Posts: 60
    Joined: 12/19/2007
    From: oviedo, FL, USA
    Status: offline
    quote:

    ORIGINAL: HeliTB

    I don't want to do something that's not necessary. If my particular Bobcat needs downthrust, no harm no foul. If it doesn't need any, again no harm no foul. Thanks for the advice. Hopefully I'll maiden her this weekend if its not to hot.



    GEEZ, you seem to get it. Why do others not? If it works for you with or without, then GREAT!!!!!!!


    Whaddaya mean to hot????

    (in reply to HeliTB)
           Post #: 3330

    RE: Nitro models pusher Bobcat? - 8/1/2008 1:04:08 AM   
    sbrackets



    Posts: 110
    Joined: 3/28/2007
    From: Simpsonville, SC, USA
    Status: offline     		I need a Orange or Gray canopy to match my Orange & Gray NitroPlanes Bobcat 50. I received a Red canopy. Anyone willing to trade? The plastic bag has been opened to view the canopy but still uncut.
    I contacted Nitroplanes and asked them if the Red canopy is correct. They stated that it was correct with the "NEW" batch of Bobcat's.

    Thanks, Jim

    < Message edited by sbrackets -- 8/1/2008 2:29:33 AM >

    (in reply to squidster)
           Post #: 3331

    RE: Nitro models pusher Bobcat? - 8/1/2008 4:30:54 AM   
    amcleod



    Posts: 26
    Joined: 7/31/2004
    From: Bridgetown, BARBADOS
    Status: offline     		I got a red canopy with the orange/gray Bobcat too. It seems to be the standard part.

    _____________________________

    Angus

    (in reply to sbrackets)
           Post #: 3332

    RE: Nitro models pusher Bobcat? - 8/1/2008 5:57:31 AM   
    squidster


     

    Posts: 60
    Joined: 12/19/2007
    From: oviedo, FL, USA
    Status: offline     		Ditto... red canopy here too.

    If you want to get rid of it, you can paint it black from the inside, then it looks like it is tinted.

    (in reply to amcleod)
           Post #: 3333

    RE: Nitro models pusher Bobcat? - 8/1/2008 3:07:25 PM   
    HeliTB



    Posts: 1203
    Joined: 9/14/2006
    From: Fort Washington, MD, USA
    Status: offline     		It was orange, but I painted mine yellow to match my color scheme. I will post pics soon.


    _____________________________

    Raptor v2 OS 37/Bobcat Jet OS .55 AX
    Extra 330L 25% SV26cc/SIG Kougar OS .46 AX

    (in reply to squidster)
           Post #: 3334

    RE: Nitro models pusher Bobcat? - 8/3/2008 10:15:31 AM   
    Boomerang1



    Posts: 904
    Joined: 6/24/2005
    From: Sydney, AUSTRALIA
    Status: online     		Well, it flys! Very fast with the Wren 44 turbine, time to put some paint on it! - John.

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    _____________________________

    Distributor for: Nothing! So my posts can be unbiased.

    (in reply to HeliTB)
           Post #: 3335

    RE: Nitro models pusher Bobcat? - 8/4/2008 5:24:53 PM   
    BillS


     

    Posts: 3077
    Joined: 9/6/2004
    From: Greensboro, NC, USA
    Status: offline     		Got an opportunity for several flights on the Bob Cat Saturday.

    I used fixed gear and a .45 OS engine (reverse rotating) on my Bob Cat and it takes 12 oz. weight on the stabilizer to rotate.

    I was surprised that re-flexing the ailerons was unnecessary for high alpha landings. I was also surprised that re-flexing the ailerons slightly had only a small affect on flight attitude. Without re-flexing ailerons elevator authority at high alpha was good and without stall tendency all the way to the ground and landing roll was short.

    A .45 engine might be considered a little small for the weight and wing area. Some caution to not jerk the airplane into the air is required.

    Bill

    (in reply to Boomerang1)
           Post #: 3336

    RE: Nitro models pusher Bobcat? - 8/5/2008 3:20:10 AM   
    TUMBLER


     

    Posts: 462
    Joined: 6/24/2002
    From: Voorhees, NJ, USA
    Status: offline     		Anybody have a set of wheel wells they didn't use.....preferably gray ones, but will take what I can get.

    Thanks!

    Tumbler

    (in reply to BillS)
           Post #: 3337

    RE: Nitro models pusher Bobcat? - 8/5/2008 10:15:46 PM   
    squidster


     

    Posts: 60
    Joined: 12/19/2007
    From: oviedo, FL, USA
    Status: offline     		Yep. Got wheel wells, and don't need them.

    (in reply to TUMBLER)