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Forum members' new models: Let's see them.


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2 hours ago, Tosh McCaber said:

Thanks for that Dick!  It'll be pretty fast?

Yes, I hope so. Should be approaching 100mph.

With the standard E2K powertrain all 4 flyers in a race should have the same performance, so it is all down to the flying. Could be fun if I ever get round to having a go 😀

Dick

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Wanted to try something different, so I built this plan from Depron sheet. It is based on plans  and videos you find on the Internet ( Buschtrottel Agro). The model features a Fogleman airfoil, flaperons an leading edge slats which are fixed with Velcro as well as the landing gear. Flies great.

 

Karl

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5 hours ago, Peter Jenkins said:

Are you able to reduce the control throw by moving the pushrod to a more inner hole on the servo or more outer hole on the control horn?

unfrotneley i dont think it does i even had it on the lowest mode as its got 3 different levels for the extent it will do 

 

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Jaydeez an genulmen, I give you...

 

...Dusty Crophopper.

 

My 2 year old Grandson has taken a huge liking to the Planes movie. If you haven't seen it, it's really rather good and the aircraft are well represented. To stoke his interest, I've built a flying version that if we ever get some decent weather, he'll be able to see in the air.

 

My usual B&Q laminate flooring insulation depron construction. Glass cloth/ B&Q water based varnish covered and painted with sprayed emulsion. The orange in Valspar matchpot, and a story in itself. I had a picture on my phone, but of course you can't match to a phone image, so I grabbed a B&Q bucket. This was too translucnt, so the match was dark, so we scanned the B&Q apron of the young lady operating the machine!

 

Span is 47", 3536 1200 motor and will use 3S 1500 packs. Weight is just a touch over 2 pounds ready to go.

 

I think it might qualify as a scale model...

 

Graham

 

 

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My contribution is a "silly" light Douglas Skyray EDF.

DecasTop.JPG.4dba0f9864f169391ce606d8d2605f75.JPG

36" span all in 2 & 3mm Depron with no spar as such. 160W (1300mAh 4s) is available. It weighs 554g (20oz) giving a wing loading just over 5oz/sqft. It is most definitely not fast but it does make it a "doddle" to hand launch.

Actually it is not a conventional EDF as it uses an Emax 2205 done motor driving a 3x4.5 3 blade drone prop in a home designed 3d printed housing.

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The motor is right at the back so complete duct is inlet and it is printed in LW-PLA. It also forms the "spine" of the fuselage.

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All the loads are carried by the Depron skin.

The completed wings are simply glued on to to the fuselage, Plastic kit style!

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Using Technicqll polyvinyl adhesive a well fitted butt joint is as strong as the foam so if the 2mm foam skin is strong enough then so is the glue joint.

The plane was sized so scale inlets gave a 1.2 FSA duct. As a result the exhaust nozzle at 90% FSA is slightly under scale size.

Just 2 x 3.7g servos as elevons. No rudder.

It was built in the autumn of 23 but the appalling weather meant it just "hung on the wall" but I have managed to fly it on each of the truly calm dry days so far this year.

This is the video of its rather "interesting" maiden 2 weeks ago.

https://www.youtube.com/watch?v=fNv_YloJanY 

Just as well it posses a substantial endurance for an EDF!

 

Edited by Simon Chaddock
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My latest, back from my repair shop, a donated airframe of a VMC Hurricane -a rubber powered model, 16" span, about 60g in weight, converted to full house and electric flight with the innards from a Volantex Super Cub by my pal Bob.

 

bobhurri20jan2023-5.thumb.jpg.3b11667515b38ff41030d5dad2fd5598.jpg

 

 

Unfortunately the Hurricane met with a more rigid object in the form of the windsock a few weeks ago and Bob passed the badly damaged, but repairable, airframe on to me, as I'd been wanting a Hurricane to add to the fleet of wee fellers. I built a replacement wing, covered it with 38um laminating film and after paining made some new replacement laser waterslide decals. All done now and waiting for a remaiden.

 

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42 minutes ago, leccyflyer said:

My latest, back from my repair shop, a donated airframe of a VMC Hurricane -a rubber powered model, 16" span, about 60g in weight, converted to full house and electric flight with the innards from a Volantex Super Cub by my pal Bob.

 

bobhurri20jan2023-5.thumb.jpg.3b11667515b38ff41030d5dad2fd5598.jpg

 

 

Unfortunately the Hurricane met with a more rigid object in the form of the windsock a few weeks ago and Bob passed the badly damaged, but repairable, airframe on to me, as I'd been wanting a Hurricane to add to the fleet of wee fellers. I built a replacement wing, covered it with 38um laminating film and after paining made some new replacement laser waterslide decals. All done now and waiting for a remaiden.

 

627447769_topsidesfinished.thumb.jpg.c267123fa2054deaa0d642da87bee318.jpg

 

 

Very nice job.

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`Using Technicqll polyvinyl adhesive a well fitted butt joint is as strong as the foam so if the 2mm foam skin is strong enough then so is the glue joint.`

 

Is this the stuff you are using Simon, would you say it is a stronger glue joint than UHU POR?

 

https://www.ebay.co.uk/itm/283943374807?chn=ps&norover=1&mkevt=1&mkrid=710-153316-527457-8&mkcid=2&itemid=283943374807&targetid=4584619899083039&device=c&mktype=&googleloc=&poi=&campaignid=554609234&mkgroupid=1296325313557553&rlsatarget=pla-4584619899083039&abcId=9320693&merchantid=87779&msclkid=f8061964cbbb152e57a77f64d98a2f59

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4 hours ago, Paul Marsh said:

Xfly F22. 

 

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I've just got myself the very same. With a 4S 2200 in situ and a moderately heavy receiver right up front, the CG is still 5mm too far back. So 10 or 20g will be needed at the pointy end.

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A £10 special,  Functional resto for the summer, needed a nose job, pan of hot water, glue and filler. nose retract with trailing link and larger wheel, larger diameter mains, trailing links to follow-may be.  Top cheater curtesy of Leccyflyer. Plenty of previous owners mods to tidy if its still with us come winter.

Roughed out a rudder plan, single servo with connecting rod aft and in-line with the elevator, so kind of hidden.

 

Cheap Powerfun 4S 12 blade edf en-route from aliexpress.

 

Silver was Humbrol met silver, exact match but shiny so a splodge of matt minwax and nose Tamiya red, will supply codes if anyone asks.

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Edited by Frank Day
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3 hours ago, Futura57 said:

I've just got myself the very same. With a 4S 2200 in situ and a moderately heavy receiver right up front, the CG is still 5mm too far back. So 10 or 20g will be needed at the pointy end.

I'll use a 2700 4s, so no lead is required and useful weight, probably 1 min of extra flight.

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1 hour ago, Paul Marsh said:

I'll use a 2700 4s, so no lead is required and useful weight, probably 1 min of extra flight.

My 2700s are too long to fit. I have a single short fat Turnigy 4S 2800 which will fit, but methinks it be too heavy.

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I have just balanced my Xfly F-22 with a 2300 lipo and it needed 25g of weight at the front. Unfortunately my 2600 lipo's won't fit. Hopefully after test flying I can take some of the weight out.

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