World Models 27% Ultimate Bipe Build..

[RustyTumbles]

Hey guys,

I'm about to start putting my new World Models 27% Ultimate together and I thought I'd take a little extra time and do a build thread on it. This will be my first bipe so I'll be going slow to insure it goes together right, so your imputs will be greatly appreceiated. This will also be my main IMAC plane since I'm starting IMAC this year...

I'm am planning on using DA50 with slimline pitts for power, lipo batts and hitec 645MG's on ailerons and hitec 5945MG's on everything else except the throttle which will be a standard hitec. I'll post a few pics tomorrow of all the bits after I inpect them all..

[marpman]

Rusty,
You should use a digital on the throttle as it will centre much better than a standard servo. I have been using a JR 811 Digital servo on throttle and I have never had problems with the idle settings

[RustyTumbles]

Thats not a bad idea mate, thanks... I don't know alot about JR servos but I'll have a look around.. What would be the hitec equivelent??

[rcdart]

Have to agree with Pete, I put a JR811 on the throtle of my Yak, and the idle is heaps more consistant than on my extra which has an analog on it. Dont worry about having a mix of JR and Hitec in the plane either, there is no issue with it and the 811 is a well priced servo and does a good job.

Mick

[RustyTumbles]

Ok, JR 811 for the throttle. Thanks, I wouldn't have thought it would make a big difference but I'll give it a whirl.

I have taken some pics but I can't upload them yet because my computer had a spaz and I've spent this arvo doing a full system restore on it.

I did however manage to have a good look over the fuse and tail sections of the ultimate, and the first impressions are good. The covering is excellent, with very little wrinkles in it. Which amazed me because its be so hot and humid here lately. Some glue joints look a little dry so I will get some thin zap and go over them to make sure everything is glued well. The fuse sides below the canopy opening seem abit weak so I will glue in some ply stringers to re-inforce them. Other than that it all seem well built and in excellent condition.

Thats all I.ve got for now but I'll post some pics asap....

[66stang]

I've always wanted a Bi-plane.. Been thinking of buying my neighbors 1.20 size DP Ultimate.. Looking forward to watching you build your plane.

[Biff]

Rusty Tumbles going with a build,,should be awesome!! Looking forward to it. Any thoughts of letting Towball do the graphics??!!

[RustyTumbles]

	Quote: Originally Posted by Biff
	Rusty Tumbles going with a build,,should be awesome!! Looking forward to it. Any thoughts of letting Towball do the graphics??!!

HAHAHA Not a bad idea but I'm not sure I want a pic of me in suspenders on the tail....???????

[RustyTumbles]

Here's a few pics of the kit as it comes out of the box.

Packaging is good with no signs of damage to the model....

[RustyTumbles]

Heres a few more out of the wrapping...

The colours between the fuse and the cowl is slightly off. The camera flash makes it look worse than it actually is. There are a few dry looking joints inside the fuse so I will be going over most of them with some thin CA just to make sure they are fully bonded.

[RustyTumbles]

few more

[RustyTumbles]

I started construction with the wings, as per the book. First up is hinging of the ailerons. Which brings me to my first modification. I am replacing the metal hinges that come in the kit with robart hinge points. This is nothing against the ones that are supplied, as they are good quality metal hinges. Its more of a weight saving and long term wear factor I have in mind. I've found that over time the metal hinges wear and begin to slop around which could cause flutter. I think you would be very hard pressed to wear out a robart hinge no matter how much flying you do. So thats what I'm going with.