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Type: Posts; User: mark IX

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  1. Hi, I just reviewed the website for this...

    Hi, I just reviewed the website for this beautiful Spitfire Mk IV. Nice job, prices look great. Please, can you do a P-51D Mustang say around 85" to 89" wingspan!! I know there are a bazillion...
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    BTW, is there a reason these elec motors are...

    BTW, is there a reason these elec motors are mounted off of long standoffs, instead of face mounted on the mount ears? Cooling? Or personal preference.

    Thanx, Mark
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    Do you have any experience with the Suppo 7034-8...

    Do you have any experience with the Suppo 7034-8 motor? Kv is 190, W=6600. I was also considering this as well.

    Thanx, Mark
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    Why did you switch to the 50cc motor? Thanx,...

    Why did you switch to the 50cc motor?

    Thanx, Mark
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    Sjhanc, sorry to here about your ESC. I think I...

    Sjhanc, sorry to here about your ESC. I think I would have a discussion with Castle about it if I were you....... BTW can you post some pics of your setup.

    Thanx, Mark
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    Yeah, me too, which is why I switched to E-Calc.

    Yeah, me too, which is why I switched to E-Calc.
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    Sjhanc, thats pretty close to what E-Calc has...

    Sjhanc, thats pretty close to what E-Calc has predicted for my flight times as well. It said around 4.5 to 5.7 minutes.

    Thanx, Mark
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    Sjhanc, good data, thank you. Do you know what...

    Sjhanc, good data, thank you. Do you know what your flight times were?

    Thanx, Mark
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    Thanx, just what I needed to see. My plans have...

    Thanx, just what I needed to see. My plans have been cut off on the bottom of both sheets when they were enlarged. What wing span did you enlarge yours to?

    Mark
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    Brian Taylor P-51D 69"ws Plan Quality

    Can someone post a couple of screen shots of the BT P-51D 69" Mustang Plan? The copy I have seems to be cut off on the bottom of the wing sheet and the Fuse sheet is the lines are faint.

    Thanx,...
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    The reason I am choosing Zinger is because they...

    The reason I am choosing Zinger is because they make a relatively in expensive 4 blade counterpart the to the 2 blade versions. It will give me an apples to apples comparison for my inital testing...
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    Yeah, looks like it is not an exact science. The...

    Yeah, looks like it is not an exact science. The best thing to do is start testing. I just wanted to make sure I was headed in the right direction. One thing is for sure, the LFS is not greater...
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    I am converting my 1/5 Spitfire Mk IX 83" to...

    I am converting my 1/5 Spitfire Mk IX 83" to electric. The total weight turns out to be around 23-24 lbs. My batteries are (2 in series) 6S 8000maH. I've settled on using the Turnigy CA80-80-10 motor...
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    The model I am referring to is 1/5 scale Spitfire...

    The model I am referring to is 1/5 scale Spitfire Mk IX
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    So there is no cook book equation that you can...

    So there is no cook book equation that you can use to calculate level flight speed (LFS) from pitch speed (PS), correct? Having said that, I here that LFS is approx 80% of PS is that accurate?
    ...
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    Propeller Pitch Speed vs Level Flight Speed

    What is the relatonship between prop pitch speed and model level flight speed?

    Thanx, Mark
  17. Propeller Pitch Speed vs Level Flight Speed

    What is the relatonship between prop pitch speed and model level flight speed?

    Thanx, Mark
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    1/5 Scale Electric Warbird

    Hi all. I am converting my BT 1/5 Spitfire Mk IX 83" to electric. The total weight turns out to be around 23-24 lbs. My batteries are (2 in series) 5S 8000maH Zippy's which are quite heavy. I've...
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    1/5 Scale Electric Warbird: 10S or 12S?

    Hi all. I am converting my BT 1/5 Spitfire Mk IX 83" to electric. The total weight turns out to be around 23-24 lbs. My batteries are (2 in series) 5S 8000maH Zippy's which are quite heavy. I've...
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    Turnigy CA80-80-10 Dimensions

    Does anybody have accurate dimensions for this motor? Turnigy has nothing on their website and HK doesn't have an accurate diagram. I'm looking for the mount hole bolt pattern, can diameter and...
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    Actually using the Turnigy CA80-80-10 motor with...

    Actually using the Turnigy CA80-80-10 motor with the DLux 160A ESC, the e-Calc prop calculator (from Castle Creations) says that 10S, 8000, 25C batteries ( 2 5S in series) works the best for...
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    Brian have had any experience with the Turnigy...

    Brian have had any experience with the Turnigy ESC's? In particular the DLux 160A ESC?

    Mark
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    Sorry the website says 8+ channels. So that would...

    Sorry the website says 8+ channels. So that would be 3 ch in the wing (flaps, ailer, and gear). 2 ch in the tail (elev and rudder). And 1 ch for the throttle. That's a total of 6 ch. Drop tanks...
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    I would agree with Yellow regarding the ARC...

    I would agree with Yellow regarding the ARC version. As a matter if fact I asked hangar 9 that very question and they said it was not in the plan to offer an ARC version. BTW, regarding the P-51,...
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    Yeah, the motor data shows about 4500W and the...

    Yeah, the motor data shows about 4500W and the motor is rated for 6000W. But when I use 12S the motor temp goes to around 180 deg or more.

    Thanx, Mark
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