Lydd Model Flying Club. Kents Best.

The Lydd Model Flyers are a BMFA Registered Model Aero Club on the Romney Marsh, UK.
 
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 WOT4 XL Build

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Skyleader Six

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Number of posts : 459
Age : 71
Location : St Mary in the Marsh Kent
Registration date : 2008-01-22

PostSubject: WOT4 XL Build   Tue 30 Dec 2014, 1:57 pm

The weather has been bit poor so decided to build a wot4 xl, not really that exciting but I have a new ZDZ 40cc looking for a home ,this is the same engine I have in my Zero bags of power, I know, I could have bought a ready  to fly one but I don't think it would have been up to the job.
I have been so impressed with the ones flying Colin's Ian's Rays and Tony's that I thought why not build one from scratch for a winter hack so here goes

 


So started with fuss sides cut out of light ply I made these slightly bigger to give more room at the firewall





Next cut out some ribs these were cut from second-hand ply from a old chest of drawers added one more bay to the wing



They were well lighten needed them strong but not to heavy I used spruce spars don't want them clapping hands out of a dive LOL



The tail plane needed a bit of though as I have seen a few fold up, so I cut into the balsa sheet into strips and added spruce strips and glued this up as one, the extra glue joints would add strength, and the weight at the back of the model would help compensate for the over size engine  




I decided to fit two servos in the tail ,with the big engine the extra weight would be needed and more reliable than the single one, I fitted Futaba metal geared S9402 all round might be over the top, but with this amount of power can't be to carful could get blowback with this amount of power



And the tail


Coming together nicely



Starting to look like a model now





Servos up the back hope this helps with the C  o G



Fitted Peter Tindal rods and hi power servos all round no clevises all bolted

 

Anyway here is the finished model all ready for its maiden flight

 



I will see how it flies then make a plug and add a engine cowl later, after the engine as been run in
Hope this as given you some inspiration to get building and post .
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stormin norman

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Number of posts : 233
Age : 69
Location : new romney
Registration date : 2010-08-19

PostSubject: Re: WOT4 XL Build   Tue 30 Dec 2014, 3:16 pm

Looks fab John should fly great Bravo
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Rainman

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Number of posts : 1085
Age : 20
Location : Lympne
Registration date : 2008-02-06

PostSubject: Re: WOT4 XL Build   Tue 30 Dec 2014, 3:49 pm

A great thread with a good write up and some cracking piccies, reckon thats gonna fly real good, well done John! You have got me all fired up, so I will start my new (artf) project this evening!!!
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Worzey

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Number of posts : 1298
Age : 44
Location : Ashford
Registration date : 2008-02-09

PostSubject: Re: WOT4 XL Build   Tue 30 Dec 2014, 5:51 pm

That looks superb John.....as do all J.H Designs!!

I reckon you should put a tow release just behind the c of g on top of the wing. With all that grunt, you could tow a van out of the mud!!

What most impressed me is that your first photo was at 2pm. Its now nearly 6pm and the model is finished!!.
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Rainman

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Number of posts : 1085
Age : 20
Location : Lympne
Registration date : 2008-02-06

PostSubject: Re: WOT4 XL Build   Tue 30 Dec 2014, 6:31 pm

I didnt spot that Ian, got to be some kind of record surely!! lol!
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Skyleader Six

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Number of posts : 459
Age : 71
Location : St Mary in the Marsh Kent
Registration date : 2008-01-22

PostSubject: Re: WOT4 XL Build   Tue 30 Dec 2014, 6:39 pm


I wished I could build that quick ,just fed up today and thought I would put a few pictures on ,the build don't take long its the finishing all the little bits .

Glad I have inspired you ray to get that new one done Bravo
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Gbee

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Number of posts : 2496
Age : 56
Location : Kent
Registration date : 2013-04-04

PostSubject: Re: WOT4 XL Build   Wed 31 Dec 2014, 8:11 am

A really neat job John as you always do and love the colour scheme mate, superb Bravo Bravo Bravo


Last edited by Gbee on Fri 02 Jan 2015, 12:21 am; edited 1 time in total
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Gricer

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Number of posts : 214
Age : 56
Location : New romney
Registration date : 2012-01-23

PostSubject: Wot 4 xl   Thu 01 Jan 2015, 2:29 pm


Thats lovely John well done
its gonna fly well im sure!
Bravo Bravo
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Coco

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Number of posts : 150
Age : 37
Location : Ashford
Registration date : 2010-08-01

PostSubject: Re: WOT4 XL Build   Fri 02 Jan 2015, 5:24 pm

Really like that john. Top work Bravo
How much for an ARTF.....
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