RE: Midwest Extra 300xs Build  
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All Forums >> RC Airplanes >> Beginners >> RE: Midwest Extra 300xs Build
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RE: Midwest Extra 300xs Build - 5/6/2007 1:18:41 AM   
mrbassman


 

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Joined: 12/11/2006
From: Chula Vista, CA, USA
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bar 98....I'm having the same problem, incredibly tail heavy !!! Right now I have the whole plane disassembled and giving it a good overhaul, and I'm moving everything as far forward as I can. I want to place the fuel tank right over the cg, so there's no change on balance when the fuel level changes. I had my batteries a lot closer than 8" from the ignition module and I had no problems, in fact they were about 2" apart. Right now my batteries and throttle servo are in the engine box, and the rudder servo is right behind the fuel tank. I'll let you know how I make out.

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       Post #: 351

RE: Midwest Extra 300xs Build - 5/6/2007 6:05:38 AM   
KI8FR


 

Posts: 830
Joined: 2/18/2004
From: Ovid, MI, USA
Status: online
I was working on mine do day too.. I have the cg in the right spot but I am having glitches like crazy. I will be putting a post up to see if there are some ppl that can help me find out what is making this glitch. I know it is not the cdi that is doing it.. I can only get about 50 feet from the plane with the engine off.. whith the engine running I can get about 25 feet.. I know that is not going to work.

Keep the info comming in.
Paul

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       Post #: 352

RE: Midwest Extra 300xs Build - 5/6/2007 6:18:49 AM   
RCKen



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From: Lawton, OK, USA
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KI8FR,
How is the antenna routed out of the plane?? Do you have the antenna completely extended, or is it inside of the fuselage? Does it run next to the servos or batteries? Can you post a picture of your receiver installation and the antenna routing?

Ken

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(in reply to KI8FR)
       Post #: 353

RE: Midwest Extra 300xs Build - 5/6/2007 7:14:42 AM   
Cyberwolf



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From: Blackfoot , ID, USA
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If the antenna is ok, I would disconnect each servo one at a time and recheck, Also your servo extensions can cause a person grief at times, Thats another thing to check. If that doesn't show up anything then I would change the receiver and try it. Glitches can be a real bear to find but we both know its better to take home a plane that glitches than one in a sack.
If you can do as Ken said and show us your set up. I had some problems also, But mine was only while running.
I had the batterys to close to each other. also the charge leads needs to be seperated for each switch, Ign& receiver.

< Message edited by Cyberwolf -- 5/6/2007 7:15:15 AM >


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RE: Midwest Extra 300xs Build - 5/7/2007 9:18:55 PM   
bar98


 

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From: Ottawa, ON, CANADA
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Hi mrbassman,

Could you please post the picture of your engine box, I would like to see the throttle servo installation, I have also installed the cut-off servo, ?I would like to see if I can move both to the engine box.

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       Post #: 355

RE: Midwest Extra 300xs Build - 5/7/2007 9:38:29 PM   
Digger44



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Joined: 12/22/2004
From: Newnan, GA, USA
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I really need to get back to finishing mine. Still in the covering stage. I did have a pretty good reason for the detour though. Let me know how this CG issue turns out. I really want to finish this plane, Must stop buying new planes!!!!

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       Post #: 356

RE: Midwest Extra 300xs Build - 5/8/2007 12:32:56 AM   
bar98


 

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From: Ottawa, ON, CANADA
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I don't know how Midwest got the right balance using the Moki 2.10 and just moving the battery.

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       Post #: 357

RE: Midwest Extra 300xs Build - 5/8/2007 3:21:11 AM   
Cyberwolf



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From: Blackfoot , ID, USA
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Mine come out perfect using a G-62, I lightened up alot and also use a C&H IGN. I don't know what a Mokie 210 weighs but my 62 is just a tad over 4 lbs. Its a great flying plane I might add, My problem is I don't fly it enough.

Which kits are you having the TH problem with the early or late ????



< Message edited by Cyberwolf -- 5/8/2007 3:22:36 AM >


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       Post #: 358

RE: Midwest Extra 300xs Build - 5/8/2007 4:07:52 AM   
bar98


 

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From: Ottawa, ON, CANADA
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I am having the problem with the Midwest Extra 300XS, please note that the tail on this version is heavier. I did some test tonight and I have to add around 7 oz to the nose, I will add the spinner and I will try to move the throttle servo and the choke servo to the engine box, but that is not easy.

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RE: Midwest Extra 300xs Build - 5/8/2007 5:01:22 AM   
KI8FR


 

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From: Ovid, MI, USA
Status: online
There is room on the out side of the box for the servos..

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RE: Midwest Extra 300xs Build - 5/8/2007 6:31:14 AM   
Cyberwolf



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From: Blackfoot , ID, USA
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With my stand offs I could put the servo on the engine box is I so wanted theres enough room ,might be a way to solve some of your problem W/O adding unwanted lead

< Message edited by Cyberwolf -- 5/8/2007 6:32:22 AM >


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RE: Midwest Extra 300xs Build - 5/10/2007 3:42:05 AM   
bar98


 

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From: Ottawa, ON, CANADA
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I have installed 2.5" stand offs, and the spinner is very close to the cowl, what I will do is to use 3" stand off. Any one know where I can buy it?

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RE: Midwest Extra 300xs Build - 5/10/2007 9:59:41 AM   
Digger44



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From: Newnan, GA, USA
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SWB has them in incremental sizes.

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RE: Midwest Extra 300xs Build - 6/8/2007 3:16:49 AM   
bar98


 

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From: Ottawa, ON, CANADA
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Finally I got the right C.G with the DA-50, I added in total 8 flat washers to the standoffs which makes now a better separation between the cowl and the spinner plate and also I added a 3.5" spinner from Dave Brown.



< Message edited by bar98 -- 6/8/2007 3:17:15 AM >

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RE: Midwest Extra 300xs Build - 6/8/2007 5:10:30 AM   
Cyberwolf



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From: Blackfoot , ID, USA
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Glad to hear you got things going your way, I flew mine weekend before last its a nice plane with no bad habits of any kind so far.

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RE: Midwest Extra 300xs Build - 10/7/2007 9:03:55 AM   
KI8FR