RE: GP Patty Wagstaff - Building & Flying  
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    • All Forums >> RC Airplanes >> ARF or RTF >> RE: GP Patty Wagstaff - Building & Flying
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    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 4:52:03 AM   
    Maudib



    Posts: 5833
    Joined: 7/16/2002
    From: Ashland, KY, USA
    Status: offline     		Oh... and if you were thinking maybe using one servo on the rudder.. you could use maybe ONE 5945MG at 181 oz. and save 2 oz. in the tail...

    (in reply to Maudib)
           Post #: 51

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 5:14:37 AM   
    ram3500-RCU



    Posts: 1728
    Joined: 8/17/2002
    From: n. canton, OH, USA
    Status: offline     		I think you'll find that she's a little nose heavy but thats all right for now. Just fly it and familiarize yourself with its handling and then check this: on a 30 deg. down line, wings level, throttle back, if the nose comes up, she's light on the tail, if the nose drops, she's heavy on the nose. This , of coarse, is after all other trimming has been done. She should hold the line if you nailed the CG. IT may help to have someone helping you watch.

    (in reply to Maudib)
           Post #: 52

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 5:17:55 AM   
    ram3500-RCU



    Posts: 1728
    Joined: 8/17/2002
    From: n. canton, OH, USA
    Status: offline     		oops. nose up is light on the nose of coarse.

    (in reply to Maudib)
           Post #: 53

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 5:19:51 AM   
    Maudib



    Posts: 5833
    Joined: 7/16/2002
    From: Ashland, KY, USA
    Status: offline     		I think you meant if the nose comes up she's a little HEAVY on the tail...

    what you described sounds like the "Heads I win, Tails you lose" thing...


    Ooops... I see you added... nevermind...


    [QUOTE]Originally posted by ram3500
    I think you'll find that she's a little nose heavy but thats all right for now. Just fly it and familiarize yourself with its handling and then check this: on a 30 deg. down line, wings level, throttle back, if the nose comes up, she's light on the tail, if the nose drops, she's heavy on the nose. This , of coarse, is after all other trimming has been done. She should hold the line if you nailed the CG. IT may help to have someone helping you watch. [/QUOTE]

    (in reply to Maudib)
           Post #: 54

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 10:17:34 AM  1 votes
    BasinBum



    Posts: 5717
    Joined: 7/24/2002
    From: Hawthorne, CA, USA
    Status: offline     		When I built mine I mounted everything except the rudder servo and radio battery. Then I set it on a balancer where I wanted it to balance and moved those last two items until it balanced. I ended up with a single rudder servo in the stock location and the battery at the rear of the radio compartment.

    It is balanced on the middle of the wing tube and needs the least amount of down stick possible to stay level inverted.

    I also found some scrap balsa in mine (when I used a mirror and flashlight back in the fuse) it was wedged up in the turtle deck.

    (in reply to Maudib)
           Post #: 55

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 1:09:53 PM   
    gtrick90



    Posts: 35
    Joined: 11/7/2002
    From: Roma, ITALY
    Status: offline     		I've made a hole behind the carb the same size of the carb opening but in the picture it is not clear.
    I'll post a picture that shows this detail.

    Luca

    (in reply to Maudib)
           Post #: 56

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 6:29:53 PM   
    Mr_Scale



    Posts: 372
    Joined: 6/1/2002
    From: Seymour, IN, USA
    Status: offline     		It is ok to balance it right side up or inverted. You will achieve the same results. I balanced mine right side up just because it is easier for me to do it that way. I also used one HT 5645 servo for rudder to keep the tail lighter. I have a Moki 1.8 in mine so all of the other equipment had to be shoved as far forward as possible. At least there is no dead weight in it

    (in reply to Maudib)
           Post #: 57

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 6:36:45 PM   
    Maudib



    Posts: 5833
    Joined: 7/16/2002
    From: Ashland, KY, USA
    Status: offline     		That must be one lite Patty... did you ever get a "real" weight?


    [QUOTE]Originally posted by Mr_Scale
    It is ok to balance it right side up or inverted. You will achieve the same results. I balanced mine right side up just because it is easier for me to do it that way. I also used one HT 5645 servo for rudder to keep the tail lighter. I have a Moki 1.8 in mine so all of the other equipment had to be shoved as far forward as possible. At least there is no dead weight in it [/QUOTE]

    (in reply to Maudib)
           Post #: 58

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 7:44:05 PM   
    Mr_Scale



    Posts: 372
    Joined: 6/1/2002
    From: Seymour, IN, USA
    Status: offline     		Actually no, I have not put it on the scale. I will try to remember to do that this evening and report back. It is light, compared to the Midwest Extra that I had, there is a significant difference.

    (in reply to Maudib)
           Post #: 59

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 9:02:41 PM   
    Volfy



    Posts: 3227
    Joined: 1/4/2002
    From: Houston, TX, USA
    Status: offline     		Geistware, thanks for the pictures of the tailwheel mods. I think that's what I'll try first. I almost missed your post because of the page change.

    _____________________________

    Si vis pacem, para bellum.

    (in reply to Maudib)
           Post #: 60

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 9:22:31 PM   
    ChixwithTrix



    Posts: 393
    Joined: 4/10/2002
    From: Spring, TX, USA
    Status: offline     		I'm interested to see everybodys setups. Like the engine, radio, and hardware used in their Patty. The costs of their setups and approx. weight would be interesting to see. Also and mods done to Patty and how they have worked? There have been so many different combos, I'd just like to see what everybody picked.

    _____________________________

    http://www.rc-tvproductions.com

    (in reply to Maudib)
           Post #: 61

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 10:27:43 PM   
    Forgues Research



    Posts: 3411
    Joined: 12/15/2001
    From: Glen Robertson, ON, CANADA
    Status: offline     		[QUOTE]Originally posted by Mordib
    GTrick 90...

    Glad to have you!

    Very nice and clean install...

    If you have ANY issues with the engine running right you may have to open a hole in the firewall just behind the carb opening... It MAY be that turbulent air causes the carb to get uneven air intake...

    Perhaps not, but keep it in mind.     [/QUOTE]

    I have been running my larger Extra with the ZDZ 80 with no holes in the firewall and have not experienced any problems whatsoever. The reason to have the engine on standoffs in the first place is to eleminate having to make holes in the firewall and not to have a flooded engine drip in the box..
    Here is how I did mine with probems with air turbulence.

    engine box

    _____________________________

    Evo Engines
    http://forgues-research.com

    (in reply to Maudib)
           Post #: 62

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 10:54:05 PM   
    Maudib



    Posts: 5833
    Joined: 7/16/2002
    From: Ashland, KY, USA
    Status: offline     		Hmmmm.. I thought they were used to place the prop outside the cowl... silly me. That would explain why they make cowls extra long so you can arbitrarily mount the engine whatever distance is convenient then cut the cowl to fit your install...

    As I said G-Trick... if you HAVE issues with the engine running a little uneven... it MAY be turbulent air rushing past the carb opening disrupting the even flow of air going into the carb.

    Differing speeds would differ the effect, so you MAY notice some "hesitation" at a particular thottle setting vs. others.

    Then again, you may not have an issues at all... that's why I said IF you have problems it MAY be caused by this...

    Also Patty, in particular has almost a "double" firewall so placing a "breathing" hole behind the carb will not cause you to flood fuel in the plane whatsoever. Anyone who actually had one would KNOW that.

    BTW... did you ever get a Patty yet Aerographix?

    (in reply to Maudib)
           Post #: 63

    RE: GP Patty Wagstaff - Building & Flying - 8/7/2003 11:08:23 PM   
    Forgues Research



    Posts: 3411
    Joined: 12/15/2001
    From: Glen Robertson, ON, CANADA
    Status: offline     		[QUOTE]Originally posted by Mordib
    Hmmmm.. I thought they were used to place the prop outside the cowl... silly me. That would explain why they make cowls extra long so you can arbitrarily mount the engine whatever distance is convenient then cut the cowl to fit your install...

    As I said G-Trick... if you HAVE issues with the engine running a little uneven... it MAY be turbulent air rushing past the carb opening disrupting the even flow of air going into the carb.

    Differing speeds would differ the effect, so you MAY notice some "hesitation" at a particular thottle setting vs. others.

    Then again, you may not have an issues at all... that's why I said IF you have problems it MAY be caused by this...

    Also Patty, in particular has almost a "double" firewall so placing a "breathing" hole behind the carb will not cause you to flood fuel in the plane whatsoever. Anyone who actually had one would KNOW that.

    BTW... did you ever get a Patty yet Aerographix?     [/QUOTE]

    No I didn't get one yet