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12 Hydro Wire Drive


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#16 Mike Byer

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Posted 15 November 2017 - 04:39 AM

 

 

Should be1/4 20  I will let you know

 

I think you mean 1/4-28

 

Good catch from one old fart to another Thanks      hope your well sir

 

Just when I thought that you didn't care about your children anymore, there you are.





#17 Tom David

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Posted 06 December 2017 - 04:06 PM

Anyone runing wire drive on 21 nitro riggers ?



#18 rhomodel

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Posted 07 December 2017 - 08:05 AM

No, but I run a wire drive on a gas engine in hydro & mono's. Not homemade system, but made by Brent Bryers. This uses 3,1 mm wire.

A smaller driveline is offered by http://www.rcraceboa...ewiredrive.htmlhave no experience with them, but the system looks very similar. Otherwise you might seek on some fast electrics forum as these guys often also use a wiredrive.

 

 

A how to or video would be very welcome as I only use a RTR system.



#19 Glenn Quarles

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Posted 07 December 2017 - 08:54 AM

Yes I have used a wire on one of my .21 boats. I didn't notice as much difference as I did in the .12.

GQ

#20 rhomodel

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Posted 07 December 2017 - 02:15 PM

Yes I have used a wire on one of my .21 boats. I didn't notice as much difference as I did in the .12.

GQ

Did you use the same hardware(eg same sort of strut, wire diameter etc), or was it different, which could explain smaller differences?



#21 Glenn Quarles

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Posted 07 December 2017 - 06:58 PM

Slightly bigger wire, same kind of ball bearing strut setup.

GQ

#22 rhomodel

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Posted 09 December 2017 - 03:56 PM

Slightly bigger wire, same kind of ball bearing strut setup.

GQ

Interesting: may be the .21 is much more powerfull and the reduction of friction is proportionally less then with a .12 engine.



#23 Glenn Quarles

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Posted 09 December 2017 - 06:32 PM

Slightly bigger wire, same kind of ball bearing strut setup.
GQ

Interesting: may be the .21 is much more powerfull and the reduction of friction is proportionally less then with a .12 engine.

Yes I think that is pretty close.

GQ

#24 Tom David

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Posted 09 December 2017 - 06:56 PM

[quote name="Glenn Quarles" post="715263" timestamp="1512658477"]
Yes I have used a wire on one of my .21 boats. I didn't notice as much difference as I did in the .12.





Thanks Glenn for sharing your experience on this subject👍

Edited by Tom David, 09 December 2017 - 06:57 PM.


#25 Amp Eater

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Posted 10 December 2017 - 04:30 AM

I use wire drives from Jeff's site, if ran on the bench too long you can heat up 

the Loctite used to mate the wire to the bored out stub shaft. Had to reglue

one with Loctite 638 as the engine was peaking 50k ish. while setting the NV. 

Now I quickly get the lil screamer in the water as soon as possible after setting

the NV. 



#26 Glenn Quarles

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Posted 10 December 2017 - 02:15 PM

I have never had good luck with the glued ones on my .12 boats...they would always break loose as soon as I got on the gas! I think the power pulse of the bigger IC engines breaks the glue pretty quick.

GQ

#27 Amp Eater

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Posted 11 December 2017 - 08:40 AM

Yes big leap in torque with a .12. For me using the Picco .05 / .8cc engine just

barely able to get away with it using 1/8" stub shaft. Next would have been steel

tube with the grub screw through the dog drive to cable trick. Use to do that for

brushless motors back in the day.