boatman's 1/72 HMS Tiger C20 build
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An hi John an Andy well ive found the four yr journey went very quick indeed as to me it doesnt seem that long ago since i was cuttin out her keel an hull frames an yes i hope to get all them bugs sorted out but its a job to know which motors to get as they will have to be fairly powerfull to propel her on the pond esp if there is a strong wind an then i maybe back to blowin fuses so instead of 40 amp fuses i'll have to get some 50 amp fuses an hope it dont catch fire which will be right up J/R 's street lol :rolling::smiling2: so really its all gonna be trail an error mostly error i think boy ive never had this kind of trouble before as i could then buy the groupner 600 motors easy but now they have stopped makin them i will have to take pot luck on some new motors an in this case it may be that the motor shaft wont line up with the prop shaft then more probs
but will see what happens
cheers to you both
chrisb
chrisbComment
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G/M ALL well regardin them big fuses well i spoke to the gent who sent me them fuses an yes i can return them for a refund but he told me that 40 amp fuses is the highest they go in the standard size so no 50 amp or more so even if i fit new motors an if it still blows the 40 amp fuses due to her wheight on propload im stuck unless i do away with fuses altogether an just hope that the eletrics will take this very high currant well the ESC X 2 I KNOW SHOULD as they are rated at 320 amp so they should be ok but the wirein even though its very heavy duty an the motors may have probs SO just got to hope she dont catch fire oh dear but will see an hope for the best
chrisb
Did you say. FIRE :nerd:Comment
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Chris, you could change the fuseholder for the larger type: https://en.wikipedia.org/wiki/Fuse_(automotive)
I'm surprised that the motors are drawing enough current to blow 40A fuses though. A typical fuse needs double its rated current for up to 5 seconds to blow.
PeteComment
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Chris, you could change the fuseholder for the larger type: https://en.wikipedia.org/wiki/Fuse_(automotive)
I'm surprised that the motors are drawing enough current to blow 40A fuses though. A typical fuse needs double its rated current for up to 5 seconds to blow.
Pete
chrisbComment
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Maybe a trip to a local scrap yard with a selection of useful tools!! Hammer, jemmy, or something equally as destructive - but useful!!
No way would soldering fuses into the circuit!!:flushed:Comment
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So that will get fitted in the ship along side my normal fuse box so i will have the best of both worlds an i think i'll keep all these big fuses just in case i do need them as tiger is a very heavy model an movin her in the water must take a good bit of power an i may need to buy some bigger props but will see on that on sept warship day an cheers for your ideas
chrisbComment
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AN YES Pete i thought of that an no the fuse blades are bigger as i was thinkin along them lines of usein them to make my own fuse holder which would have been easy but no shot down in flames again but ive just ordered one an my idea will be to leave in the normal fuse holder an fit the new big fuse holder along side it an then fit spade connecters so i can just unclip the wires from the normal fuse box an clip the main feed wire into the big fuse holder an have the same idea on the other side to feed power through a heavy duty
Y lead to both the 320 amp ESC 'S THEN TO ALL 4 MOTORS hows that ?
chrsbComment
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I still think that the root of the problem is why the motors are drawing so much current. Are the propshafts turning freely Chris?
It must be getting pretty hot inside the hull. Do you have any way of recording the temperature? Maybe a greenhouse min/max thermometer? I sued to have a pile of little stick-on discs that change colour at a particular temperature, but they've all gone now. Something like these: https://uk.rs-online.com/web/p/tempe...labels/7799779
PeteComment
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I still think that the root of the problem is why the motors are drawing so much current. Are the propshafts turning freely Chris?
It must be getting pretty hot inside the hull. Do you have any way of recording the temperature? Maybe a greenhouse min/max thermometer? I sued to have a pile of little stick-on discs that change colour at a particular temperature, but they've all gone now. Something like these: https://uk.rs-online.com/web/p/tempe...labels/7799779
Pete
chrisbComment
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