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Originally Posted by No.6 I very gratefully received last Christmas, a Guillow's PBY Catalina build and show Giant scale balsa kit. She, when built (not got the space to build her yet) will have a wing span of 45.5". I have built and enjoyed a number of Guillows rubber powered free flight scale kits in the past and I aware that people convert these into electric RC.
I was just wondering if anybody knows if any one has converted one of these build and show kits to electric RC? perhaps in might involve replacing some of the balsa supplied parts with lighter balsa as I know that Guillows free flight models can be a bit on the heavy side due to the type of balsa that’s used. Perhaps some powerful motors could compensate for this? |
*** Hello again number 6,will the Guillows Catalina fly ? well in a word yes ! that is provided she has been built fairly lightly and preferably with that intention from the beginning,one of the biggest problems with Guillows kits is the poor quality timber,above all it is of a quality that has to be fairly dense due to the hard work that their die cutting is put to ! look at any older Guillows kit and you will see what I mean,the wood comes from the highest density that can be prone to splitting if not handled carefully.
What Guillows builders do is to thin down the wood prior to assembly by planing the rear of the sheet,this has two good points,first it reduces the thickness and weight,secondly it releases the parts from the die cut ( or should I say die crushed) sheets,whether your Catalina was this bad I dont know but believe me most of their range are poor in this respect,anyway getting back to the model,she would certainly benefit from some more dihedral on those wings,and this is where early planning comes in.
As regards power then two small electric units would form an excellent clean power source with a miniature battery and servos as well,the modern equipment is so tiny and ideal for such models.
A bit of planning in the layout of where the radio would go perhaps with a module ( see tutorials for advice on this ) that can be removed for other models would be appropiate.
The show and display range includes the B-29 which I know for a fact has been made to fly given the lightening treatment,my advice is have a go,wait for the long grass to do some test flying to avoid any trimming damage,and go for it,best of luck whatever you decide to do,either way your model looks just great,why not build another simplified lightweight version from the plans ?
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