Alan Hilton
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Posts posted by Alan Hilton
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2 hours ago, Alan Hilton said:
That’s similar to my ones I think that mine are smaller I will check later .My hangar is up the garden
Mine are 2.5 amp and are fine
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That’s similar to my ones I think that mine are smaller I will check later .My hangar is up the garden
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I use a 2 volt lead acid (cyclone) cell wired in parallel .This works with os f type plugs in a laser v twin . It’s a bit heavy but is ok in a bigger model
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Bill Manley of Bill kits makes great foam wings and turtle decks
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Mick Reeves makes laser fit flexible pipes which have lasted well for me on a couple of models as well as plain flexibles
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Mick Reeves
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Cellulose thinners when the iron is cold
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6 hours ago, RICHARD WILLS said:
I will do a little A4 layout with the retract packs when Ive sorted them . But the basic principal for keeping retracts in foam wings is pretty straightforward and surprisingly forgiving compared to a built up structure .
Generally I draw round the marine ply retract plate onto the bottom wing skin . Then draw a second square , 3mm further out .
I cut into the skin to a depth of about 25mm . and then sink in vertical grain balsa all round the square , a bit like shoring up a grave !
The ply plate should be a snug fit into the balsa box . If you can keep as much if the foam base to glue to as well , it will help spread the load .
Mick Reeves used a slight variation , He simply glued the plates onto the bare foam then drilled through each corner and epoxied pointed dowels in like underpins .. All worked rather well .
I have tried both methods and found Richards way the best .On larger models I used 3 mm ply in place of the balsa
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I suspect that the difference is well inside the error of the monitor ,so no problem .You will probably find more difference shown between cell voltages on a balanced charged pack
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I would prefer electric retracts for the la7 and olios if available
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21 hours ago, Dad_flyer said:
The main task is to fill this gaping space with power.
All my models are electric, mostly on 4s. This is quite a bit heavier. I think most people would put in 6s, but I shall double up 4s give 8s. It will then share 4s5000mAh with Child_flyer's Black Horse Renegade. The only issue with 8s is that it adds to the cost of the ESC, as mid-range ESCs will only take the voltage of 6s.
I am looking at 4-Max 6366 230kv with probably 20×12 or 20×11 prop.
With batteries the take-off weight is on the edge of 7.5kg.
The question is, should I try to keep below 7.5kg, or should I live with the 400ft limit?
I have the same motor in an 80” Laser 200 using 8 s lipos it weighs a bit more than your eagle and is well powered so you should be fine
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Thanks chaps
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Please could anyone tell me how buying from the European warehouse is going now
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AKA metal door stop !!
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Yes please for la7 retracts ,I’m in no rush the ju88 isn’t finished yet
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Hi Gordon
you are right on the enthalpy of combustion ,but you get a better ratio of fuel to oxygen for an explosive mixture with alcohols so it’s swings and roundabouts
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Use Aspin it’s a bit more expensive but worth it
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Thanks Ron what width did you get
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Hi Ron where did you get the lam film from ?
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If the frsky 2.4 module is in place no 35 meg rf will be transmitted so no problem
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4 hours ago, Ron Gray said:
As they say, wind becomes more of an issue the older you get.
Your not kidding Ron I usually blame the anchovies
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On 13/08/2021 at 14:23, Geoff S said:
Indeed. Ian Redshaw lost a beautiful DeHavilland Fox Moth (or a similar passenger bipe with fold-back wings) when it was on the ground in the pits. I used to fly my Limbo Dancer in silly winds but landing had to be followed by a very swift retrieval before it blew away or, at least, over.
As for youngsters having no fear, I think it has a lot to do with no responsibility for repair or expense ? Some years ago the son of one of our members was flying his Dad's Lazy Bee and executing very violent bunts at a supposedly safe altitude. Actually the altitude was irrelevant when the wing detached itself and floated gently to earth - the same couldn't be said for the fuselage!
I got the remains and rebuilt it .Its a 1/4 scale leopard moth G ACUS I’m selling because my knackered back won’t cope with large models anymore which is a shame because it flys well and looks the part
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Micro balloons and white emulsion paint works well but doesn’t keep
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Check out the local tip .I have seen several old school British made presses at mine .I have an old Elliot which is built like a tank .I got mine from an engineering firm which used to deal in second hand stuff .Its so heavily built it doubles as a bearing press with no problem
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Dual Glow Plug Driver
in IC Engines
Posted
2 volt in series won’t work well , 2 volt in parallel is fine