Lidl - Foam Glider

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10 months 2 weeks ago #26532 by kevinross
Replied by kevinross on topic Lidl - Foam Glider
Yes Colin - it seemed to perform well 
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10 months 1 week ago - 10 months 1 week ago #26536 by 4Pedalsfly
Replied by 4Pedalsfly on topic Lidl - Foam Glider
First item to modify was the wing - to remove outer panel dihedral I cut down from the top leaving a thin
membrane of foam then eased the panel flat onto the building board and weighted the whole wing to keep
it flat. The open joint was then filled using hot glue & left overnight to fully set.
Ailerons were top hinged by cutting away foam on the aileron at about 30 degrees leaving a membrane of
foam to act as the hinge.
Pockets cut in for each servo, glued in place with epoxy & channels cut to take servo leads.
Carbon fibre rod & strip added to increase wing stiffness.  
See 3 pics attached.   
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Last edit: 10 months 1 week ago by 4Pedalsfly.
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10 months 1 week ago #26539 by 4Pedalsfly
Replied by 4Pedalsfly on topic Lidl - Foam Glider
Next item to modify was the tailplane.
Decided on proportions for elevator, as per ailerons, top hinged using thin membrane to act as hinge.
Centre section of elevator had to be removed and replaced by flat foam joiner.
Carbon rod  added to tailplane & elevator for additional stiffness.
See 3 pics attached.
 
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10 months 1 week ago #26540 by 4Pedalsfly
Replied by 4Pedalsfly on topic Lidl - Foam Glider
Last item to modify was the fuselage which was the most time consuming item , I do not have a hot wire cutter so all the cutting out of foam was done with scalpel blades.
The black canopy was first cut off, this was glued in place and required care to maintain the original canopy line.
Next the nose was cut off at an angle of about 15 degrees to give suggested downthrust at wing root.
Fuselage front was then hollowed out to take receiver, same treatment given to the canopy
to house the E.S.C.
Ply engine mount was cut to suit motor backplate & epoxied to the nose.
Pockets were cut for the servos and slots cut to take all servo leads.
Model was then assembled and the battery positioned determined to give suggested C of G 40mm from the leading edge.
Suitable hole then evacuated in bottom of fuselage for LiPo which is retained by a velcro strap passing
round the bottom of the  fuselage and under the wing, cross slot in fuselage provides for this.

3 pics attached showing relative details.
 
                                         
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10 months 4 days ago #26543 by 4Pedalsfly
Replied by 4Pedalsfly on topic Lidl - Foam Glider
Final posting - Maiden flight was on Monday 12th June - well pleased with the performance and achieved what I set out to do.
Hot-Liner type performance - capable of loops, rolls & vertical climb .
Fixed prop was no problem, model landed fairly slowly and a little nose up before touchdown
resulted in a gentle belly landing.
Three Pictures attached.
Hopefully other members will be tempted at the conversion and we could have a mass launch at our
next event.
Photography - Tim Sullings.  
Thanks for following the postings
Colin.
 
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