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Four Star 60 building. By a 54 year old beginner.

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Old 08-30-2011, 08:13 PM
  #626
Kmot
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Default RE: Four Star 60 building. By a 54 year old beginner.

Thanks for your comments DGrant!

FWIW, I have been using the Spektrum transmitters I own for several years now, in multiple surface and air models, and this 4*60 incident is the first of any kind I have ever experienced. And the OrangeRx is NOT a Spektrum product. It is only "compatible with" Spektrum systems.

First ever anomaly, and it was not with a Spektrum manufactured product. Take that for what it's worth.

I am flying OrangeRx receivers in three other aircraft, including glow powered and none have ever experienced a glitch. However, those are the 6-channel units and the one in the 4*60 was the newer 9-channel unit.

That said, I never figured out why. Everything works 100% on the test bench.
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Old 09-02-2011, 02:32 PM
  #627
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Default RE: Four Star 60 building. By a 54 year old beginner.

Wow i just read this entire thread. I'm so sorry to hear of your loss I had the same sort of ordeal On a trainer plane flying with a dx7 and an ar7000 rx. I watched in horror as my plane never responded to my commands and turned itself into a lawn dart. I checked the rx the battery and the tx and all seemed ok. That is untill I did a range check and found out my precious remote had lost its range. Since then I have shifted over to a jr9503 and Im glad I did. Dont get me wrong I think spektrum is an awesome remote and i believe the problem lies in the fact that I did an upgrade to my tx that has now turned it into a simulator remote. I accept full resposibility for my own misfortune.
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Old 11-18-2011, 03:40 PM
  #628
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Default RE: Four Star 60 building. By a 54 year old beginner.

After reading all 25 pages I will now be building a 4*60 kit that I picked up the other day. Just have to make room on the building table.
Hope I can do half as good as you did Kmot.
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Old 11-20-2011, 07:11 PM
  #629
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Default RE: Four Star 60 building. By a 54 year old beginner.

Here is a video of my kit built 4* 60 with a RCV 91CD engine.
Thanks for posting all of the great photos.

http://www.youtube.com/watch?v=MPqBHba8qfk
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Old 12-12-2011, 12:14 PM
  #630
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Default RE: Four Star 60 building. By a 54 year old beginner.

I just read this entire thread as I am trying to find a kit plane for my OS75 AX. I have gad 2 Ultra Sportn 60s with this engine that met similar fates as Kmot's 4*. I have learned some stuff since then...I use only 6 volt 2000mah RX batteries and have had no problems of any kind with my 5 year old DX7. I have tried other servos but find the 821 JRs to be the most reliable. In each airplane I install a plane locater from Wingedshadow.com. This little gadget hooks into an unused channel, (gear), and beeps when you move the switch. Besides that function it also will beep your RX voltage at anytime just by operating the gear switch. I have had problems with goldenrods binding and changing trim settings with temperature changes. I find that 1/8" carbon fibre tubing is stiff and does not change length with temp. changes. I slide the carbon rod in the outer tube before glueing the outer tube in. That insures a straight lineup. These are some thoughts that may help prevent some of the failures that I see here. The most important change is the 6 volt battery. The servos love it and the receiver doesn't mind. I have never had even a glitch since switching all my planes to 6 volt.

If I build a 4* I will need to put it on floats for our weekly float fly during summer. Has anyboby here installed floats? If so, where did you put the rear mounting plate?
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Old 12-12-2011, 04:03 PM
  #631
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Default RE: Four Star 60 building. By a 54 year old beginner.

What the heck is up with Sigs prices ? 156 bucks for the four star 60?. I bought mine for about a hundred bucks a couple years ago. I know the value of the greenback is becoming worthless the last couple of years but prices are getting stupid. I guess the new owners want their investment money back asap.
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Old 12-12-2011, 09:39 PM
  #632
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Default RE: Four Star 60 building. By a 54 year old beginner.

I think all prices of everything are going up.
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Old 12-13-2011, 06:14 AM
  #633
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Default RE: Four Star 60 building. By a 54 year old beginner.


Quote:
ORIGINAL: Kmot

I think all prices of everything are going up.
Yep, everything is skyrocketing. I payed $99.00 for my 4* 60 back in 2006. The Hanger 9 giant P-47 that was $569.00 in 2007 is now $750.00.
China has caused the price of balsa to rise due to their high demand. At times has cause shortages of balsa.
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Old 12-15-2011, 08:08 PM
  #634
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Default RE: Four Star 60 building. By a 54 year old beginner.

Oh, wow! I've literally followed this thread for years. It helped inspire me to build my first 4 Star and I benefitted from your trials, tribulations, and pics along the way. You know that my first one met it's demise back in 2008. I've still got the modified ARF version that I replaced it with. Still take it out every couple of months or so and put a few flights on it. These are great flying models.

For some reason RCU quit sending me email updates when posts were made here. I hadn't looked at it since early July when you were putting the finishing touches on the model. Had just assumed that this thread was taking another long siesta. I was cleaning out my Favorites list tonight and came across the bookmark for this thread and it prompted me to take a look at it to see if ole' Kmot ever got that thing flying.

That dang near broke my heart, Tom. Sorry.
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Old 12-15-2011, 09:29 PM
  #635
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Default RE: Four Star 60 building. By a 54 year old beginner.

Thanks TB,

You know all too well.......
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Old 12-16-2011, 05:20 AM
  #636
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Default RE: Four Star 60 building. By a 54 year old beginner.

I dumb thumbed mine in due to my relative lack of experience at the time. I was still on a steep self-taught learning curve. That's easy enough to accept after a while but those mystery glitches haunt your soul. They seem to expire planes regardless of pilot experience. A bit harder to reason with. I watched one of our club's oldtimers recently lose a large scale B-25 on it's 2nd flight in a similar manner. Was using top-of-the -line JR equipment. Very disheartening for sure.

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Old 05-27-2012, 07:19 AM
  #637
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Default RE: Four Star 60 building. By a 54 year old beginner.

Hi!

I've been reading this thread for about a week now.. didn't realize it's like 5 years in the making!!! I really feel bad about what happened!

Anyhow, I also crashed my fourstar 60, and I'm in the process of rebuilding it!



Someone have told me that this belongs to trash.. rebuilding it is almost impossible. But I'm starting to prove them wrong!!

I'm almost done with the wing.. and hopefully I could post pictures soon!

Did you keep the plane?!?
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Old 05-30-2012, 01:22 PM
  #638
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Default RE: Four Star 60 building. By a 54 year old beginner.

I also followed this build. I have my second 4*60 on the board right now and will post pics when I get it done. Power will be a Magnum 91 RFS. I'm also 54.
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Old 05-31-2012, 03:50 PM
  #639
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Default RE: Four Star 60 building. By a 54 year old beginner.

I was inspired by this thread a couple years ago and finally completed my 4*60. A few modifications; increase rudder and elevator surfaces, removed all dihedral in wing, moved servos closer to the tail and put a DLE20 in her (with a 16x8 3-blade now). Flys great.

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Old 05-31-2012, 04:33 PM
  #640
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Default RE: Four Star 60 building. By a 54 year old beginner.

Welcome to RCU neighbor.

Extra nice build there.
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Old 06-02-2012, 12:47 PM
  #641
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Default RE: Four Star 60 building. By a 54 year old beginner.

This airplane was rebuilt after similar accident that you had. Not problem , It is flying perfect again. There is nothing like 4*60 , easy to maintain in the air!!
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Old 05-08-2013, 08:05 PM
  #642
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Default RE: Four Star 60 building. By a 54 year old beginner.

Let me start by sayin this thread is awesome. It has helped me a whole bunch so far. i am building 4* 60 for my first kit. I am at a point where I need a little advice. I decided to make a throttle linkage using a servo horn and a couple small ball bearings for smooth action. I needed this type of linkage due to the lack of space between the carb and firewall. I need to know where should I drill the hole in the firewall for the throttle cable to come through. If I choose to drill the hole in line with the servo horn I have mounted on the motor mount will it interfere with the fuel tank or anything? It will be about halfway down on the firewall. Or should I drill it near the top and have the cable run at an angle to the throttle linkage? Thanks in advance. I am hoping my 4* turns out as good as some of these in this thread. By the way the engine is a brand new from 1985 O.S. FS-90. Almost don't want to use it because it looks so pretty.
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Old 05-10-2013, 09:40 PM
  #643
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Default RE: Four Star 60 building. By a 54 year old beginner.

I'll just pick a spot and drill it. Was hoping somebody that has built one of these could tell me where a good spot would be.
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Old 05-13-2013, 06:37 PM
  #644
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Default RE: Four Star 60 building. By a 54 year old beginner.

Use a semi-flexible cable or pushrod so the routing doens't need to be real close...
Or you can "screw" a 2-56 rod with threaded end into yuour push a couple inches... then bend the the exposed section as needed to get to the secondary throttle arm. As long as the bend are not extreme, it's fine. There are no forces on the throttle arm you need to worry about. The fewer bends.. the more precise the throttle movement however especially since on 4 strokes we often need to introduce a bit of play via use of another arm
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Old 05-13-2013, 08:03 PM
  #645
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Default RE: Four Star 60 building. By a 54 year old beginner.

Thanks kit builder.
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Old 05-19-2013, 02:49 PM
  #646
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Default RE: Four Star 60 building. By a 54 year old beginner.

I have another question if somebody could help me out. Should the wing fit into the saddle pretty snugly prior to covering? Should I give it a little wiggle room or leave it a snug fit or is it important? Right now it is a pretty tight fit. I have to put slight pressure on the trailing edge to get the wing to seat in the saddle. I havent got to the step where I have to put in the dowels and drill the holes in the hold down blocks yet.
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Old 05-19-2013, 05:28 PM
  #647
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Default RE: Four Star 60 building. By a 54 year old beginner.

I would say sand more! the definitely tighten up more after covering, I would hate to see you get it to the point the wing won't go in without damaging something.
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Old 05-21-2013, 05:05 PM
  #648
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Default RE: Four Star 60 building. By a 54 year old beginner.

Cool thanks for the reply
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