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I've cut quite a few model wings myself. What issues are you getting. One point is you need virgin foam, some is recycled & has hard lumps in it. As others have said the templates need to be very smooth, otherwise the wire will drag & could break. Run your thumbnail over it there should be no...

Unfortunately Ivan has said this won't be a kit or plans, this is for his own personal.

Fantastic thanks, units I can understand as well! NO work getting done tomorrow as I play with this!

Interesting Bill, inrested in the formula to calculate this, to knock up a spreadsheet with. Any chance of the basics please?

But surely all the foam is doing is giving an overall rib outline, beam strength comes from the aluminium tube spars. I've built model aircraft wings this way. Home cut polystyrene foam, wooden leading & sub training edge & covered in film. The thing you've linked to is predominately sales puff...

Main issue with DC at these levels is burns, shorting out a battery pack of these sizes will produce a huge amount of amps. Yup a 100VDC will kill you, 50VDC will if you get it wrong. The issue with lowering the voltage is if you halve the volts, you double the current. At these levels of power...

The motor he used for the twin is the Hobbyking 150cc equivalent. It is this one. Turnigy RotoMax 150cc Size Brushless Outrunner Motor That is 9800Watts or around 12BHP. These are the specs:- Battery: 14 Cell / 51.8V RPM: 150kv Max current: 190A Watts: 9800w No load current: 51.8V/5.2A...

Quick search on outerzone found a few, https://outerzone.co.uk/search/results.asp?keyword=ciel

Been following these conversations with interest from the UK. The Rotax is expensive to buy & very expensive to service. I understand that Rotax will not sell anything which involves splitting the cases. This has led to a lot of engine thefts in the UK & I suspect across Europe. Reputedly by...

That is very pretty, Franklin engine so some of the resto costs will be there, spares hard to get as well. Designed by Walt Mooney & was a semi monocoque

This is interesting, looks like a 40BHP engine from Subaru in the mix! https://britishhovercraft.com/2016/02/hovercraft-engines-briggs-stratton-vanguard-kohler-subaru-honda/

The BoB ME or Bf109s were Hispano Aviación HA-1112 M1L 'Buchon' the Spanish licence built 109 with Merlin engines.

Quick Google & it is a Rotax 912 series & it is German. https://en.wikipedia.org/wiki/Roland_Me_109_Replica As for registration in the UK most ex military stuff gets a dispensation not to display G-xxxx but can display ex RAF IDs.

Several of the G reg aircraft are still registered. G-APIZ & G-AEXT, the Turbi & Kitten respectively, are certainly alive & well

They do a reasonably priced one for the Porsche M96 & M97 engine. Flat 6 Innovations Try IMS Guardian

This is absolutely on point. Pfarber has a very US centric view of things. In Europe the market for the Rotax 582 & 91xx series is massive, well compared to the traditional aero engine market. Why, our fuel prices are much higher for a start. The Vans & similar are either using the 912x engines...

As someone who travels EMEA (Europe, Middle East and Africa) for work I would say French. We have offices in something like 132 countries in the world and French is most useful. That's despite working for a USA company where the default is meant to be English. In eastern Europe their second...

This is known as Oasis is the UK, has a similar consistency to honeycomb sweets.