RE: Sig Hog Bipe Build  
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    • All Forums >> RC Airplanes >> Kit Building >> RE: Sig Hog Bipe Build
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    RE: Sig Hog Bipe Build - 7/24/2008 2:25:47 PM   
    chashint


     

    Posts: 961
    Joined: 1/1/2002
    From: Rowlett, TX, USA
    Status: offline     		I have my engine mounted per the plans and it works fine.

    _____________________________

    regards,
    Charlie

    (in reply to HugoW)
           Post #: 601

    RE: Sig Hog Bipe Build - 7/25/2008 12:56:08 PM   
    MasterAlex



    Posts: 571
    Joined: 6/26/2005
    From: Central, IN, USA
    Status: offline
    quote:

    ORIGINAL: chashint

    I have my engine mounted per the plans and it works fine.

    Ahhh, glad to hear as that's the route I'm going. I figured that was the right answer since I hadn't really heard of anyone complaining of thrust issues with the motor mount.

    I haven't forgotten about the Hog guys (for anyone who still cares). I haven't been back in the basement for building purposes at all since I last posted in this build thread. It's been a busy Spring/Summer with RC and other life commitments. I plan on starting a new project this fall, but not before finishing the Hog. As soon as I return to the bench, I'll resume/complete the thread.

    -MA

    _____________________________

    The 1st step is admitting you have a problem ... okay, I admit it, I have an RC problem.

    (in reply to chashint)
           Post #: 602

    RE: Sig Hog Bipe Build - 7/25/2008 9:38:38 PM   
    preparation_h


     

    Posts: 30
    Joined: 1/23/2006
    From: littlet, CO, USA
    Status: offline     		I've had it with my bipe. Can't figure it out.

    If I hit the gas it wants to climb......throttle down and it wants to dive. How do I check wing incidence without a meter. The both "appear" that they are parallel. Anybody else have this issue?

    Thanks,

    (in reply to chashint)
           Post #: 603

    RE: Sig Hog Bipe Build - 7/27/2008 2:34:06 AM   
    *JCB*



    Posts: 605
    Joined: 9/23/2004
    From: Redondo Beach, CA, USA
    Status: offline
    quote:

    ORIGINAL: preparation_h


    If I hit the gas it wants to climb......throttle down and it wants to dive. How do I check wing incidence without a meter. The both "appear" that they are parallel. Anybody else have this issue?




    isn't this what all planes do?

    i guess if you problem is too radical, you may have missed the 1.5deg of downthrust that the firewall is supposed to have in in. I built mine according the the manual without using an incidence meter on the wings or stabilizer and it flies just fine. But i also made sure that the downthrust was correct...

    _____________________________

    Shake Things Up!

    (in reply to preparation_h)
           Post #: 604

    RE: Sig Hog Bipe Build - 7/27/2008 5:14:22 AM   
    Hircflyer



    Posts: 769
    Joined: 12/6/2001
    From: Kailua, HI, USA
    Status: offline
    quote:

    ORIGINAL: *JCB*


    quote:

    ORIGINAL: preparation_h


    If I hit the gas it wants to climb......throttle down and it wants to dive. How do I check wing incidence without a meter. The both "appear" that they are parallel. Anybody else have this issue?




    isn't this what all planes do?

    i guess if you problem is too radical, you may have missed the 1.5deg of downthrust that the firewall is supposed to have in in. I built mine according the the manual without using an incidence meter on the wings or stabilizer and it flies just fine. But i also made sure that the downthrust was correct...



    What he said....mine flys great with just a little of down elevator...but with the downthrust on the engine


    _____________________________

    Finally! Everyday is a weekend

    (in reply to *JCB*)
           Post #: 605

    RE: Sig Hog Bipe Build - 7/27/2008 9:53:55 PM   
    Backfired


     

    Posts: 23
    Joined: 5/21/2006
    From: Omaha, NE, USA
    Status: offline     		Picked up a Sig Hog Bipe at a sale this weedend. The plane is completey built except for motor mount, servos, balancing, and maiden. Unfortunately no manual was included and it's not available from the Sig web site. I emailed them but no response yet. I need recommended CG, throws, recommended servo type and placement in the plane. Also the fuel tank moves fore and aft. I assume it needs to be tied down or a wood support added to the rear of the tank. Any help would be greatly appreciated.

    The person that built the plane did an excellent job it's beautifully built and covered. He was recently moved to a nursing home and is not in good health. He never got to fly this beauty and I intend to be certain that it's finished right and survives the maiden.

    (in reply to RCKen)
           Post #: 606

    RE: Sig Hog Bipe Build - 7/27/2008 11:24:25 PM   
    redipsekud


     

    Posts: 49
    Joined: 1/2/2005
    From: mannsville, NY, USA
    Status: offline     		Hello Backfired
    cg as per manual cg is measured from the leading edge of the top wing
    25% 3-5\8 GOOD PLACE TO START
    30% 4-1\8 better elevator responce and quiker snaps
    35% 4-5\8 approach this cg with caution
    thrws are
    aileron 5\8 up snd down
    elevator 3\4 up and down
    rudder 1-1\4 left and right
    as for servos,i just used standard 3004 futaba servos but thats really a builders choice issue.same deal for placement,i prefer to put servos as close to the control surface as possible
    and the tank,also a builders choice issue,i stuffed foam paddeng around mine,never had a problem
    anyways, hope this helps,and good luck on your new plane

    (in reply to Backfired)
           Post #: 607

    RE: Sig Hog Bipe Build - 7/27/2008 11:25:22 PM   
    chashint


     

    Posts: 961
    Joined: 1/1/2002
    From: Rowlett, TX, USA
    Status: offline
    quote:

    ORIGINAL: chashint

    Straight from the manual.
    CG: Measured from the leading edge of the top wing with the plane in the upright position.
    25% - 3 5/8" Good place to start if this is your first biplane.
    30% - 4 1/8" Better elevator response and quicker snaps.
    35% - 4 5/8" Approach this CG with caution. Unexperienced pilots may find this to be to extreme for their ability.

    Aileron:
    5/8" up/down
    Elevator:
    3/4" up/down
    Rudder:
    1 1/4" left/right



    _____________________________

    regards,
    Charlie

    (in reply to chashint)
           Post #: 608

    RE: Sig Hog Bipe Build - 7/27/2008 11:26:40 PM   
    chashint


     

    Posts: 961
    Joined: 1/1/2002
    From: Rowlett, TX, USA
    Status: offline     		drats redipsekud beat me

    _____________________________

    regards,
    Charlie

    (in reply to chashint)
           Post #: 609

    RE: Sig Hog Bipe Build - 7/28/2008 1:07:26 AM   
    Backfired


     

    Posts: 23
    Joined: 5/21/2006
    From: Omaha, NE, USA
    Status: offline     		Thanks for the quik replys.

    (in reply to chashint)
           Post #: 610

    RE: Sig Hog Bipe Build - 7/30/2008 1:55:53 AM   
    Backfired


     

    Posts: 23
    Joined: 5/21/2006
    From: Omaha, NE, USA
    Status: offline     		Good news, Bad news.

    I emailed Sig on Saturday and they have not yet responded to my request for a manual.

    I phoned them today and had an electronic copy of the manual in two minutes.

    (in reply to Backfired)
           Post #: 611

    RE: Sig Hog Bipe Build - 7/30/2008 2:16:03 AM   
    chashint


     

    Posts: 961
    Joined: 1/1/2002
    From: Rowlett, TX, USA
    Status: offline     		I have not tried emailing Sig before, but the one time I needed something a person answered the phone and two days later I had a new rudder in my mailbox.

    _____________________________

    regards,
    Charlie

    (in reply to Backfired)
           Post #: 612

    RE: Sig Hog Bipe Build - 7/30/2008 12:26:35 PM   
    Backfired


     

    Posts: 23
    Joined: 5/21/2006
    From: Omaha, NE, USA
    Status: offline     		Has anyone flown this plane with a .65 four stroke? I purchased the plane with a Saito 65 4 stroke which is the smallest size motor recommended by Sig. I don't plan to do any 3d flying but want a fun flying sport plane and a safe maiden.

    (in reply to chashint)
           Post #: 613

    RE: Sig Hog Bipe Build - 7/30/2008 5:10:50 PM   
    chashint


     

    Posts: 961
    Joined: 1/1/2002
    From: Rowlett, TX, USA
    Status: offline     		In my opinion the 65 four stroke will not have enough guts for a Hog Bipe.
    Most of the people seem to use 91 class four strokes with a few Saito 82's and 100's thrown in for good measure.

    edit here..........
    I just reread your post, if the plane came with a 65 mounted in it was it ever flown before you got became the owner ?
    If it was then obviously the 65 can fly the plane.

    I still think the plane "needs" a 91 class four stroke though.

    _____________________________

    regards,
    Charlie

    (in reply to Backfired)
           Post #: 614

    RE: Sig Hog Bipe Build - 7/31/2008 4:40:38 AM   
    bandguy_37


     

    Posts: 2
    Joined: 7/29/2008
    From: manhattan beach, MN, USA
    Status: offline     		i'm new here, but would love some feedback. i've built 2 planes the last couple years. A fourstar 60 and the one and only Somethin Extra!! - I love that plane. next i am thinking of building a hog bipe 60 - hope i can fly it , but i have a blast with my extra, and haven't crashed it ....yet. I was thinking of putting a 70 four stroke os in the hog. if anyone has any opinions i would love to hear them

    (in reply to RCKen)
           Post #: 615

    RE: Sig Hog Bipe Build - 7/31/2008 8:25:58 AM   
    Dauntae



    Posts: 990
    Joined: 6/22/2002
    From: New Bedford, MA, USA
    Status: offline     		A 70 4-stroke would barly fly the Hog bipe, a 60-70 2-stroke would be a good match but for a 4-stroke thumper you would want a 91 or 100 for good flight performance. I have a saito 100 on my hog and it is a great match for it but a 70 would be too weak to do anything other than just level flight and would need higher throttle to fly it.

    Dauntae

    _____________________________

    I used to think that the world was crazy and I was sane. I now realize I am crazy and the world is sane. Ah They will adjust

    (in reply to bandguy_37)