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1,869 posts for “brushless” · in Forum
Page 18 of 67
Forum
Too Powerful Brushless ?
Graham, I have attached the same table that Doug sent me. This has the relevant information you seek. According to the table attached the Graupner 500 kV ECO has a specified output of 1440 watts and 80Amps. Strangely the 400 kV ECO has a sp …
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Too Powerful Brushless ?
hi all, so what wattage is the Graupner 500 ECO, can't find the Amps. how do you know what ESC Amperage to buy? Regards Graham
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Too Powerful Brushless ?
Mon plaisir Haig, that's what we're all here for - ain' it? Happy sailing, Doug BTW: that's one thing I really like about the German suppliers, most of them give much more info in their on-line specs. Funny; for years at work here I used to …
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Too Powerful Brushless ?
RM. thanks for the propshop up-date, did not know of there problems, hope they are back in business soon, Simon at Protean, was propshop till he left, his range is superb. Mark
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Too Powerful Brushless ?
Hi reilly, you don't have to go that far! There's a dealer in Oz, Ringwood Victoria http://www.floataboat.com.au/products.htm Cheers Mate, Doug
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Too Powerful Brushless ?
I get my Raboesch propellers from Cornwall model boats - and I am in Australia. It would be very interesting if there was a video made at the start of this post. How many Watts of power is that motor producing. That is the question I would …
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Too Powerful Brushless ?
Simon Higgins at Protean Design does a large range of props and M5 is no problem. He used to be at Prop Shop.
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Too Powerful Brushless ?
PS Deans Marine do Raboesch as well http://deansmarine.co.uk/shop/index.php/cPath/35 I recently bought their HMS Manxman kit and it came with cast brass props and excellent shafts & tubes.
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Too Powerful Brushless ?
Hi Dave, yep, seems Raboesch don't do direct sails and the Jotika site directs you to the shipwrightshop for orders. There they only seem (at the moment?) to have rubbish soldered props http://www.shipwrightshop.com/shop/contents/en-uk/d7_R …
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Too Powerful Brushless ?
Hi Doug Thanks for the update on PropShop. I can't find a way to order from Raboesch, they seem to have agreed distribution with Jotika who have not yet set up to take orders. The Raboesch web site directs me to the USA for distributors! Co …
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Too Powerful Brushless ?
Regarding propshop and other possibilities you could look up protean design on Facebook. He has some nice items. And I would stay on 4mm shaft as you will get the largest range of props to choose from.
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Too Powerful Brushless ?
Hi I use 4mm stainless steel shaft with a brass or roller bearing at the motor end and a Teflon bearing at the bottom. Grease I use Dow Coring Molykote Compound 111. A squirt in each bearing and install the shaft with a finger over the inne …
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Too Powerful Brushless ?
Hi Mark, all good stuff, as ever from you Just one thing; Prop Shop has ceased production after the fire they had. Probably only still trading until rest stock is sold and the business then wound up. So I would go straight to Raboesch http: …
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Too Powerful Brushless ?
Hi Graham, all agreed with you post. But. The last photo looks like the blades are soldered or brazed on, that is a week point, but looking closely the blade appears to have sheared of above the hub. Your hull is not really a high speed hul …
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Too Powerful Brushless ?
Hi Mark, i have a 4mm shaft fitted and the boat was out of the water at the time, it happened when i just touched the throttle! i thinking maybe a 5mm shaft would be good (less whipping)with a racing propeller and a 1100kv motor with a rubb …
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Too Powerful Brushless ?
HI Graham. Every picture tells a story!!! The motor is definitely wrong, its designed for racing, low torque, mega revs, not for scale boats. What diameter is the shaft tube??? looks thin??? did the prop shear in the water?? would explain t …
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Too Powerful Brushless ?
Hi All, a lot of info, i need a complete change to the power train setup. canabus setup looks good, i think i will follow that. what size in diametre prop shaft did you use, 4 -5 mm? have uploaded some pictures of the boat, complete with of …
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Too Powerful Brushless ?
This is a Fairey Marine Huntress on a trailer and this rudder has next to no leading edge, These were used for racing way back. I have based some of my rudders on this type of rudder.
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Too Powerful Brushless ?
I always use as smaller rudder as I can get away with. I had been running model boats for many years then one day when on Blackheath pond someone was watching my boat and remarked on how it turned. badly, and I replied that's how it had alw …
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Too Powerful Brushless ?
Boatshed - as regards the rudder the part in front of the spindle is to balance part of the force acting on the rudder and take some of the load off the servo or in the case of a full size boat off the wheel. If a boat is turning too sharpl …
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Too Powerful Brushless ?
Hi All I am using Hobbyking 3639-1100 and 3648-1450kv motors in that size boats(Sea Commander, Precedent Huntsman and SG&K Gentleman's Runabout). 60 Amp ESC with either 3 or 4S Lipo batteries. Props 2 blade 40mm 1.4 or 1.6 pitch. The motors …
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Too Powerful Brushless ?
Graham - don't tell me you ran the boat at anything like full throttle. if so, it wouldn't just be the prop shaft that you'd have to worry about! if you did it must have been virtually uncontrollable! I take it you bought the boat with the …
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Too Powerful Brushless ?
Very nice but I think our friend's prop tube comes through the keelson .The wedge shaped keel extension piece to which the tube is secured so that support would not suit. However a "U" tube or two could be fabricated and wrapped round tube …
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Too Powerful Brushless ?
What about adding a prop shaft support under the boat I useually add one something like this. I have never had one this strong looking but all ways had one just before the end of the shaft. you could also add one inside the boat or even a s …
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Too Powerful Brushless ?
Hi Graham, are you a member of a local club??? or do you have a local machine shop who could make a couple of plastic bearings for you??? alternatively you could make some with a drill and a couple of files. Most shafts are only held at eac …
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Too Powerful Brushless ?
Hi Mark, i don't have excess to a lathe, do they sell prop shafts already loaded with bearings? or racing props? Thanks for your help Graham
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Too Powerful Brushless ?
Hi Graham, a 14" shaft is definitely going to whip inside, do you have access to a lathe? if so remove the rear bearing and push a plastic bearing into the tube, move it in about 10" then insert a second about 5" then replace the outer bear …
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Too Powerful Brushless ?
Hi Boatshed, i have just ordered today, an aligner tool for when i rebuild the prop shaft, i didn't know they exsisted when i installed the prop shaft the first time! But the prop-shaft does seem to be inline to the motor spindle..... and t …