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Steve Dunning

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Posts posted by Steve Dunning

    Oracovering

    in Hints and Tips

    Posted

    Hi Paul

    If you take a look at the model I've just finished, this is completely finished in Oracover. The trick is to only use small overlaps on the different colours, This is done by producing a series of templates, either from card or heavyweight paper, enables the various colours being cut out and carefully applied with the overlap that has been allowed for. To apply trim over a fully covered wing will cause problems. The method I've outlined (forgive the pun) takes time but it is worth it. The customer was pleased with it anyway.

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    Supra Fly 45

    in Classic Aerobat Build Blogs

    Posted

    Having been asked about the conversion to electric on another forum, I thought I'd add it here.

    The top front deck is cut from foam and skinned with 1/16th balsa as per normal practice. Although the canopy end of the deck is hidden ( virtually blocked out canopy) I still cut it at 30 degrees anyway for appearances sake. At the end of the battery hatch, the deck is cut in half at just a 10 degree angle to facilitate it's removal.

    As the removable part has a 2mm lite ply base, this thickness has to be removed from the bottom of the deck. The easiest way to do this is to use a 4" wide piece of balsa, vertically against a band saw fence and slice of the 2mm from the bottom of the deck. When the lite ply base is added, the two halves will now be at the same height again. 2mm LP facings are added to both ends of the removable part and the front end of the fixed to prevent damage during removal. The cockpit end is faced with balsa.

    3mm carbon tube is used for location both at the front and at the rear near the magnets for locating purposes. 2 pairs of 10 mm magnets fix the hatch in place. The two lugs at the rear of the hatch to help removal, is a cut down lolly stick, running across the hatch internally, Simple and effective.

    The motor mount is one that I produce from a combination of lite and birch ply, cnc cut. This allows the firewall to remain in it's original position and enables different makes of motor (of the same size) to be fitted. One end is fixed and the other (a 'tight' sliding fit) can be moved to accommodate different motor lengths. Once decided, the inner square tube is cut off.

    The pictures should answer any other questions. Enjoy, Steve

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    Supra Fly 45

    in Classic Aerobat Build Blogs

    Posted

    Just to show people the latest SF 45 out of the workshop for a customer. Completed to his colour scheme, the trim is all film apart from the cowl. Intended for electric power, the model as seen here is just 1.4kg.

    Enjoy

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    Edited By Steve Dunning on 26/03/2016 17:11:26

    2015 AGM

    in UKCAA Events

    Posted

    This has been spoken of throughout the year and arrangements have been made to hold such a meeting near Retford, close to the A1. The day has been chosen to incorporate the Retford MFC Swapmeet in the morning, utilising the same room from around 12.30pm. This has enabled us to have room at a very good rate (read cheap). We will have to vacate the room by 5.00pm, giving us 41/2 hours to discuss matters. Food may be available if people show an interest.

    Details:

    Venue: Babworth Road Social Club (postcode DN22 7NJ)

    Date: Sunday, 1 November 2015

    Time: 12.30 to 5.00pm (Swapmeet 9.30 to 12.30pm)

    If time and light allow, the field is close enough for a late afternoon fly.

    Hope this is OK to allow a good attendance.

    Steve (Agenda to follow, please advise of anything you wish to be included)

    Edited By Steve Dunning on 06/10/2015 21:20:05

    Supra Fly 60

    in Classic Aerobat Build Blogs

    Posted

    Here we go then Extra Slim.

    Weight is 7jb 9oz and is powered by an OS 61 that was built with parts from different sources! Pump and carb from a Hanno Special, crankcase and cylinder head from Brandon Ransley and a new piston and liner (61 RF) from Hong Kong. Don't try, Sam Wragg had the last one!!!! Turning a 12 x9 at the moment but could go higher. It's on a Hanno pipe as well.

    Vertical is now problem and rudder response is very pure, good for getting back on line and not making it obvious!

    Wings, tail and top deck are balsa veneered foam. Wing and tail put in a vacuum table for curing and adhesion. Cores cut on a Step 4 foam cutter. Fuselage parts cut on a cnc router.

    Bout it really, oh and fuselage is self jigging.

    Steve

    Supra Fly 60

    in Classic Aerobat Build Blogs

    Posted

    Just a rider to complete this blog. After a flying layoff of 9 months, pleased to report that the '60 size was maidened today. Minimal trimming, another 'boring' maiden flight for one of my models from the club secretary!

    Thumbs were a bit shaky for the first flight but rock solid on the second. Well pleased.

    Steve

    Wolfgang Matts Arrow

    in Classic Aerobat Build Blogs

    Posted

    What can I say Sam. A fantastic job showing what can be done with care, a little elbow grease and attention to detail. That lead to a to a non-eventful initial flight that proves that all the prep done in the workshop gives a model that is 95% there when taken to the flying field. A couple of Supra Fly 45's have recently had their maiden flights and their owners called them 'boring' because of the lack of any trimming required. The flights did leave them with a big smile on their faces though as I imagined you had Sam after the initial flights with the Arrow.

    Look forward to seeing it 'in the flesh'.

    Steve

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