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  1. #151

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    RE: RC Guys Super Decathlon coming

    Need some advice here, guys. I'm getting ready to order a spinner, and need to have a pretty good idea about prop size. I'm using an OS 1.60 2-stroke for power. First time for something that size and am wondering what you'd recommend for a prop....
    Thanks
    Al
    MobyAl

  2. #152
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    RE: RC Guys Super Decathlon coming

    ORIGINAL: mobyal

    Need some advice here, guys. I'm getting ready to order a spinner, and need to have a pretty good idea about prop size. I'm using an OS 1.60 2-stroke for power. First time for something that size and am wondering what you'd recommend for a prop....
    Thanks
    Al
    depends what you want to do with it. If it were me id go with the 18-8 or somewhere in that size. Spinner in the 3.5" class size should be fine.

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  3. #153
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    RE: RC Guys Super Decathlon coming


    ORIGINAL: DiabloKid

    ORIGINAL: mobyal

    Need some advice here, guys. I'm getting ready to order a spinner, and need to have a pretty good idea about prop size. I'm using an OS 1.60 2-stroke for power. First time for something that size and am wondering what you'd recommend for a prop....
    Thanks
    Al
    depends what you want to do with it. If it were me id go with the 18-8 or somewhere in that size. Spinner in the 3.5" class size should fine.

    I second that.
    Smooth, like Keith Stone.

  4. #154

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    RE: RC Guys Super Decathlon coming


    ORIGINAL: mrbigg


    ORIGINAL: DiabloKid

    ORIGINAL: mobyal

    Need some advice here, guys. I'm getting ready to order a spinner, and need to have a pretty good idea about prop size. I'm using an OS 1.60 2-stroke for power. First time for something that size and am wondering what you'd recommend for a prop....
    Thanks
    Al
    depends what you want to do with it. If it were me id go with the 18-8 or somewhere in that size. Spinner in the 3.5" class size should fine.

    I second that.
    Thanks you all...
    I was thinking about an 18/8, and if I get one cut for that, I can always go down a little.
    Al
    MobyAl

  5. #155

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    RE: RC Guys Super Decathlon coming

    Hi Decathlon aficionados,

    I am still waiting on someone to report on flying the RC-Guys Decathlon as I need to know if I can hang a Zenoah G45 on the nose.

    I am sending my Zenoah G45 to Brillelli Engines for a weight reduction tummy tuck...!!

    It currently weights 5.4 Lbs in the full stock configuration...see photos without the CH Ign KIT

    I am expecting it to be around 4 Lbs when it comes back......Is that possible?? I need it for my Decathlon..!

    What Xoar prop is best for this motor..?

    Thanks,

    Martin
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  6. #156

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    RE: RC Guys Super Decathlon coming

    I have the fuji 43 hanging on mine. Don't see why G45 wouldn't fit also.
    Longmont Aircraft Modelers Association
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  7. #157

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    RE: RC Guys Super Decathlon coming

    It sounds like maybe I wont get this plane now. Seems it's a big glow motor plane. I have a DA50 just begging to be used, but sounds like this is too much weight/motor for this plane. Even though I am not trying to 3D the thing, I just need somewhere to put the motor...
    Where there is confusion, there is profit.
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  8. #158

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    RE: RC Guys Super Decathlon coming

    Why not the Da50, little over 3lbs with mufflers that's not to much. reinforce the firewall, cut new spacers to fit cowl ( the DA is a little long with stock spacers) and use some throttle management. The G38 is way heaver then the DA and a G62 is a boat Anchor, my RCGuys Decathlon will be at my door by Tuesday and the DA50 will be pulling it with authority when needed for aerobatics and at quarter throttle for a slow Sunday flight.


  9. #159

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    RE: RC Guys Super Decathlon coming

    I think I will use the DA 50 after all. I got an email back from RC Guys today! They said just beef up the firewall and it should be fine. I hear the cowl will be friendly to our big single's as far as hiding it in there for that scale look...
    Where there is confusion, there is profit.
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  10. #160
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    RE: RC Guys Super Decathlon coming


    ORIGINAL: bonnie

    Why not the Da50, little over 3lbs with mufflers that's not to much. reinforce the firewall, cut new spacers to fit cowl ( the DA is a little long with stock spacers) and use some throttle management. The G38 is way heaver then the DA and a G62 is a boat Anchor, my RCGuys Decathlon will be at my door by Tuesday and the DA50 will be pulling it with authority when needed for aerobatics and at quarter throttle for a slow Sunday flight.

    I wouldn't want to hear the DA's midrange burble at cruising speed. Unless your lucky and have it tuned out.
    Smooth, like Keith Stone.

  11. #161

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    RE: RC Guys Super Decathlon coming

    I have learned to tune out the burble... mentally that is... It's 5 times the motor that a G-62 is. I think it would be a great motor for this plane.
    Where there is confusion, there is profit.
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  12. #162

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    RE: RC Guys Super Decathlon coming

    Hi all.

    Update from the build.

    Main gear assembly..have a good 5/32nd 10" long hex or good 1/4" socket set with tip (magnetic really helps).

    Tail wheel assembly..screws provided are junk. Powder coating closes hole, pre-drill w/ 7/64 (I think).

    Wheels..glad I sprung for Dubro per prior post..ones provided are throw-away.

    Assembly order..I'm piecing together as I see fit. Wanted to get main gear (sans wheels and pants) on ASAP for stablility on the bench.

    Engine..mounting instruct. given are pretty sketchy (I have only 4 ARF's in my history).. will proceed with MUCH CAUTION.
    Saito 180 on the bench..gets minimum gallon test run for smoothing and leaning.

    Later
    Scott

  13. #163

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    RE: RC Guys Super Decathlon coming

    sdossett , what motor are you gonna run?
    Where there is confusion, there is profit.
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  14. #164

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    RE: RC Guys Super Decathlon coming

    Saito 180

    Dan (I think) at RC Guys likes the 200 OS I guess..... the 180 is well in range, will fit a 120 chassis in the future and my goal is to get everything in the cowl and scale aerobatics... not prop hanging

    Peace

  15. #165

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    RE: RC Guys Super Decathlon coming

    Maybe I am way off base, and truthfully, I have not seen this plane in real life. It has all of the specs of a 50cc plane. Wing loading, wingspan, fuse size and all of this glow motor talk seems grossly underpowered... Like putting an OS .46 AX in a 1.20 glow bird. It will fly it, but thats about it. I hope I am wrong, but I am planning on making this a 50cc bird that it seems like it is.... Keith
    Where there is confusion, there is profit.
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  16. #166

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    RE: RC Guys Super Decathlon coming

    This is the first big build for me... the Saito LOOKS big and the MAN article certainly showed flight and general test/aerobatic satisfaction with the OS200...think the Saito is ~.4HP smaller.....we'll see, our club has it's giant scale fly-in late this month..hope to put this bird in the air mid-next week. I'll post here.

  17. #167

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    RE: RC Guys Super Decathlon coming

    Good luck, she's gonna be very underpowered.
    Where there is confusion, there is profit.
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  18. #168

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    RE: RC Guys Super Decathlon coming

    I have zero experience in this size model so any advice is welcomed. I just received the SD from RC guys and I'm considering engines.
    You're recommending a gas 50cc based on wing loading. Although not built yet the box says 13-15 lbs flying weight( if accurate). Does 50cc seem to fit in this range as a good choice? Plan to recover it eventually to match my full scale paint! Cant wait to see them side by side!
    Thanks in advance.

  19. #169

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    RE: RC Guys Super Decathlon coming

    I am not trying to sell you on any particular motor, but here you go.
    I have an SD Models Extra 260 airplane. I built it light, but not trying too hard to cut weight. With a Canister Muffler (longer and quiet pipe) and a 16 oz gas tank etc, she weighs right at 17 lbs. I could have gone with a shortie muffler and carbon fiber landing gear etc, and been at 15.5-16 lbs. It has an 87" wingspan and has 1290 sq inches of wing area. Their next size up, which would be a 33% Extra 260 weighs 20 lbs, and has a wingspan of 95" and an area of 1612 sq inches. This should kind of give you an idea of what size plane/motors the gas guys are using. Granted, a 50cc in the 30% mentioned above would be overkill, nothing says you have to use it! The 33% mentioned above would fly with an 80-85cc gas motor.

    A DA-50R 50cc gas motor would weigh in at at 3.40 lbs with ignition. These are the best little motors ever in my opinion.$599
    A Saito 2.20 (bare minimum for this plane in my eyes) would weigh in at around 2.8 lbs with muffler and mount,etc. =$499

    The gas motor will have a greater resell if you decide later to sell it. DA's barely even drop in value over new. email me if you have any questions. Keith
    dart373@aol.com
    Where there is confusion, there is profit.
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  20. #170

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    RE: RC Guys Super Decathlon coming

    This is the same price as a new Saito 2.20, and it comes with a prop too. Just trying to stir the pot a little guys. Not saying pro this or pro that..
    Do a search on some of the other sites for a used DA 50R.
    Where there is confusion, there is profit.
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  21. #171
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    RE: RC Guys Super Decathlon coming


    ORIGINAL: Dart373

    Maybe I am way off base, and truthfully, I have not seen this plane in real life. It has all of the specs of a 50cc plane. Wing loading, wingspan, fuse size and all of this glow motor talk seems grossly underpowered... Like putting an OS .46 AX in a 1.20 glow bird. It will fly it, but thats about it. I hope I am wrong, but I am planning on making this a 50cc bird that it seems like it is.... Keith
    Exactly.
    Smooth, like Keith Stone.

  22. #172

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    RE: RC Guys Super Decathlon coming

    I'm using an OS 1.60fx in mine. Should be plenty -- 3.7hp -- for what I want it to do. Hope so, anyway....
    I am a bit concerned that I'll have to add some nose weight. Lot of stuff back there in the tail area, servos, flying wires, triangle stock reinforcemen, and I'm figuring the OS aluminum mount, engine and muffler at around 42-45 oz.
    We'll see how it goes.
    Looking forward to some flight reports on here.
    Al
    MobyAl

  23. #173

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    RE: RC Guys Super Decathlon coming


    ORIGINAL: mobyal

    I'm using an OS 1.60fx in mine. Should be plenty -- 3.7hp -- for what I want it to do. Hope so, anyway....
    I am a bit concerned that I'll have to add some nose weight. Lot of stuff back there in the tail area, servos, flying wires, triangle stock reinforcemen, and I'm figuring the OS aluminum mount, engine and muffler at around 42-45 oz.
    We'll see how it goes.
    Looking forward to some flight reports on here.
    Al

    Really? I think a lot of scale flyers are not reading the book, but just the cover. RCGUYS have done their homework and this seems like the best Decath made yet for modelers. It has the sq inches and the wingspan/weight of a 33% airplane guys. A 1.60 will fly it , but think about it. Theory says that an 80cc motor should fly this plane in the 3D world. In scale world, a Zenoah 26? In reality, a 45-50 cc motor. I am so proud of the guys at RC Guys for making a way cool plane first off. However, look at their specs.... A .90 2 stroke to a 40cc gasser. Folks, wake up a little, that is 14.912 cc's of glow 2 stroke to 40 cc's of 2 stroke gas. Do the math. I am not trying to be a jerk, I just want to make it clear to folks out there as to how big this plane really is! Happy trails and great luck guys. It will be a fantastic plane.
    Where there is confusion, there is profit.
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  24. #174
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    RE: RC Guys Super Decathlon coming


    ORIGINAL: Dart373


    ORIGINAL: mobyal

    I'm using an OS 1.60fx in mine. Should be plenty -- 3.7hp -- for what I want it to do. Hope so, anyway....
    I am a bit concerned that I'll have to add some nose weight. Lot of stuff back there in the tail area, servos, flying wires, triangle stock reinforcemen, and I'm figuring the OS aluminum mount, engine and muffler at around 42-45 oz.
    We'll see how it goes.
    Looking forward to some flight reports on here.
    Al

    Really? I think a lot of scale flyers are not reading the book, but just the cover. RCGUYS have done their homework and this seems like the best Decath made yet for modelers. It has the sq inches and the wingspan/weight of a 33% airplane guys. A 1.60 will fly it , but think about it. Theory says that an 80cc motor should fly this plane in the 3D world. In scale world, a Zenoah 26? In reality, a 45-50 cc motor. I am so proud of the guys at RC Guys for making a way cool plane first off. However, look at their specs.... A .90 2 stroke to a 40cc gasser. Folks, wake up a little, that is 14.912 cc's of glow 2 stroke to 40 cc's of 2 stroke gas. Do the math. I am not trying to be a jerk, I just want to make it clear to folks out there as to how big this plane really is! Happy trails and great luck guys. It will be a fantastic plane.
    I know a guy that had the 1.60 in the Hangar 9 Taylorcraft. Flew that plane excellent. About the size of the plane, I'm right with you. Look at the pics in MAN when they are assembling the wings on the bench. That thing has a huge chord.
    Smooth, like Keith Stone.

  25. #175

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    RE: RC Guys Super Decathlon coming

    Seriously, don't be overtaken by this plane. It is a 1/4 scale Aerobat! It needs some motor, not to mention servo size can't be Futaba 3004's
    Where there is confusion, there is profit.
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