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Avatar User Online NOI53Y
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Posted: January/08/2015 at 5:36am  Quote
 

Hey all,

I thought I'd put up some pics of my 1/4 Scale BUSA Pup. I can't take the credit for building it because I bought it finished. It however didn't come with running gear so I'm currently fitting it out and she should be ready to fly soon.

Anyway here's some pics.

Here's the new power plant for it. A Saito 182

And here semi assembled to check CoG.

Don't mind the messy shed and the people. It was shed night last night at my place hahaha.


 
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Avatar User Offline Wixy
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Posted: January/08/2015 at 6:33am  Quote
 
Hey Glenn 

Looks nice should sound nice to as for your shed mess I wish mine was only that bad 




Matt



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Posted: February/09/2015 at 4:21am  Quote
 

Well what an eventful morning on Sunday. It was maiden day and it was not good haha.

First off the prop hit my finger. Hurt but no blood.

Ok so then on to tune it and I had a friend doing it for me. I bought the engine off him and he was showing me how to tune it properly. It has a Saito 182 twin which has the dual carbs. It also has 4 glow plugs.

So anyway one of the front plugs came out hit the back of the prop. It flung up and hit my mate in the neck. Blood everywhere and he was standing in the so called safe spot, behind the plane. Safe to say I felt really really bad. Probably not as bad as his cut and bruised neck. After getting him cleaned up and sorted out to make sure he was ok I double checked everything. All good but gweez what a freak accident.

Then come maiden flight and it was horrible. We think the tail incidence is off and possibly the c of g. All it wanted to do was go skyward. I had a mate who is a far better pilot then I do the maiden and he did a bloody brilliant job of getting it back down. Anyway it came down and it's in one piece so I'll need to check a few things but it should be OK.


 
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Avatar User Offline drice
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Posted: February/09/2015 at 8:44am  Quote
 
Congratulations on getting it back in 1 piece.

I test flew a Waco YMF-5 once that had similar "homesick angel" tendencies. It took 1/2 stick DOWN just to cruise around the patch...plus all the down trim available.

Turned out the engine and lower wing incidences were OK, but the tail and top wing were a couple degrees off. It makes a HUGE difference.


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Posted: February/11/2015 at 1:26pm  Quote
 
Well folks I found the problem. 

The previous owner built it with a 2 piece fuse. I'm not sure why so that's another story. Anyway I set it up last night and check incedence angles and sure enough with the lower wing at 0 degrees the tailplane is negative 2 degrees.

So it's lucky the fuse is 2 pieces so I can add a shim at the top between the 2 halves to change the angle. I'll be making the shim this weekend and then hopefully re-maiden without as many dramas.

Wish me luck gents hahaha.

 
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Avatar User Offline foodstick
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Posted: April/13/2015 at 9:24pm  Quote
 
Its a shame you had so much trouble on your test flight..
I LOVE my two piece fuse on the BUSA 1/4 N11, however I had my top wind incidence off a couple degrees and had an adventurous first flight as well.

I really hate to hear you and your friend were hurt as I am always afraid of the props, and seeing others hurt... no matter who's fault.

Have fun with that great bird, the Busa planes are SO addictive.

 
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