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Search: Posts Made By: coops1
Showing results 1 to 25 of 54
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03-07-2007, 11:40 AM
Replies: 12
Views: 979
Posted By coops1

RE: best for longer running time

the boat is 20 inches by 11inches wide (or 510mm by 280mmm) so its fairly small and most of the inside of the boat space is taken up by the two hoppers for the bait. So I dont have that much room,...
03-06-2007, 03:36 PM
Replies: 12
Views: 979
Posted By coops1

RE: best for longer running time

ok cheers for that however that lipo is a bit out of my price range. would you definatly not recomend running the motor on 6v with this 6v 5cell 4300 mah and if so why not what would it do to the...
03-06-2007, 12:52 PM
Replies: 2
Views: 556
Posted By coops1

03-06-2007, 12:50 PM
Replies: 12
Views: 979
Posted By coops1

RE: best for longer running time

ok so do i need a smaller ship prop than the speed one i have (x30) or larger due to the less pitch? are these the three blade props? (still learning about all the props ect..) I cant do the gearbox...
03-05-2007, 03:14 PM
Replies: 2
Views: 556
Posted By coops1

fibreglass and silicon

does anyone know whether I can fibreglass over the top of silicone sealant (the white kitchen/bathroom stuff) or will it eat away at it? like it does with foam ect.. as my homemade bait boat is...
03-05-2007, 02:50 PM
Replies: 12
Views: 979
Posted By coops1

RE: best for longer running time

yeah I thought about trying a 6v 4ah sealed lead battery I have lying around (am i right in thinking this will be equivalant of 4000mah) will this give me better run times? I just about have the room...
03-05-2007, 02:04 PM
Replies: 12
Views: 979
Posted By coops1

best for longer running time

I have built a baitboat from scratch (ie for fishing, it carries my line and bait out for me and drops it in the correct spot out in the lake through a trap door operated by a servo) and I need it to...
03-03-2006, 01:46 PM
Replies: 2
Views: 444
Posted By coops1

can i use this for measuring the amp draw?

Can I use one of these digital multimeters to measure the amp draw from my battery pack?





if so, where shall I set the dial, to measure amps?
03-02-2006, 03:57 PM
Replies: 2
Views: 543
Posted By coops1

RE: lipo dead????

ok I ran the motor till it started pulsing and tested the battery at the same time and it read 9.4volts so I presume this is where the esc starts to cutoff correct? The battery dosn't seem to hold a...
03-02-2006, 01:09 PM
Replies: 2
Views: 543
Posted By coops1

lipo dead????

I have a 3 cell 10-12c 1100mah lipo battery and it doesn't seem to last that long before making my brushless motor pulse at wot. When I first charge the battery it revs up nice but then after a...
02-02-2006, 03:26 PM
Replies: 390
Views: 116,399
Posted By coops1

RE: Hydro-Foam by Michael Connally

I don't know the make of the battery there is nothing written on it but it weighs 65grams.
My motor gets warm but not hot and the battery pack stays quite cool does this usually mean it is ok?...
02-02-2006, 02:53 PM
Replies: 390
Views: 116,399
Posted By coops1

RE: Hydro-Foam by Michael Connally

my hydrofoam weighs 13ounces dead and wouldn't take off with a rewound 22.7 mm brushless outrunner and a 9x4 prop ( I rewound it myself with 26 gauge wire and 14 turns on a 12 tooth stator) so i...
02-02-2006, 01:28 PM
Replies: 390
Views: 116,399
Posted By coops1

RE: Hydro-Foam by Michael Connally

Matt, I think there are different 'c' (discharge rate) ratings on lipo packs I don't think you can just tell by the ma of it. Mine is a 3 cell 1100ma 10-12c so 10 amps to 12 amps discharge rate...
Replies: 1
Views: 430
Posted By coops1

how many winds shall I do?

I am building a hydrofoam which weighs 300 grams or 11 oz AUW and I bought a 1300 rpm outrunner from ebay, which when I cut the connectors off to solder them to the speed control wires, it stopped...
Replies: 3
Views: 505
Posted By coops1

RE: esc problem no power!!

and tried full trim with full throttle too, does my TX not have enough forward throttle to arm it or something? it is quite an old futaba.
Replies: 3
Views: 505
Posted By coops1

RE: esc problem no power!!

ive tried reversing the throttle and ive tried all the channels on the handset too in both forward and reverse!
Replies: 3
Views: 505
Posted By coops1

esc problem no power!!

Just wondered if anyone knows how to get my esc to power up it is a tower pro 30amp brushless jobbie from ebay and i cant get any power from it!! I got power to the servos via the esc but nothing to...
Replies: 4
Views: 1,243
Posted By coops1

RE: multiplex receiver compatibility prob!!

yeah that does make sense. I know it used to work, not with my current tx, but my mates old futaba skysport 6. I don't have the crystal for it anymore, i still have the one i mentioned for the rx and...
Replies: 4
Views: 1,243
Posted By coops1

RE: multiplex receiver compatibility prob!!

I used to use the receiver with my mates futaba skysport handset but his handset broke and got thrown away with the transmitter crystal so it did work just wondered if anyone knows whether i need to...
Replies: 4
Views: 1,243
Posted By coops1

multiplex receiver compatibility prob!!

I have a multiplex pico receiver and cant get it to work with my futaba challenger transmitter. I have lost the transmitter crystal and have been using futaba ones and they don't seem to work with...
Replies: 1
Views: 614
Posted By coops1

multiplex pico receiver copatibility prob!!

I have a multiplex pico receiver and cant get it to work with my futaba challenger transmitter. I have lost the transmitter crystal and have been using futaba ones and they don't seem to work with...
Forum: Unusual R/C
10-27-2005, 04:03 PM
Replies: 1
Views: 711
Posted By coops1

Hydro foam

Just wondered if any one knows what motor i can use to build the hydro foam? I know it needs to be a brushless outrunner but what type ie how many rpm would it need to run at?

would this be ok?...
Forum: Unusual R/C
10-25-2005, 11:17 AM
Replies: 10
Views: 23,020
Posted By coops1

RE: brushless motors out of old cd rom drives

ok so what can i do next to make the equivelent power to a 340 brushless outrunner? will i need different magnets? as this one only has one single magnet which goes all the way round.

and can i...
10-17-2005, 04:25 PM
Replies: 28
Views: 1,933
Posted By coops1

RE: totally confused now can anyone help??!!!

the tunnel is just over half an inch so it is too small, so i will try lowering the prop shaft even more so it comes out the bottom and see what happens.
Will the speed control be ok if it does...
10-17-2005, 10:56 AM
Replies: 28
Views: 1,933
Posted By coops1

RE: totally confused now can anyone help??!!!

i did try giving it a shove it picked up a bit sunk down again. So should i try moving the prop shaft even lower so it comes more out of the bottom of the hull? or will it be too steep an angle? Also...
Showing results 1 to 25 of 54
 


 
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