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Old Apr 25, 2012, 09:29 PM
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that may do the trick,ill have to see if my rx can run a digital servo.
i was under the impression you need a digital rx/tx to run them.
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Old Apr 25, 2012, 09:31 PM
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building the adjustable battery box.
the beauty of the power trim....i dont need to be ballanced to adjust the ride.


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Old Apr 25, 2012, 10:58 PM
I feel the need for speed!
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Well, you need to be somewhat balanced............you cant stick everything in the nose for instance................keep it somewhat "normal" for the CG........like 30% range.
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Old Apr 25, 2012, 11:06 PM
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oh i know...the better balanced i get her,the less the motor has to work to keep the boat in check.
i was just making a point...if im a little off...the power trim will easily take care of that.
balance plays a big part in how well the boat rides.
with the trim i can fine tune it during the ride,instead of comming to shore to make the adjustment.
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Old Apr 25, 2012, 11:58 PM
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done a test fit on everything,fit was good.
so i gave everything a decent coat of polyester resin,installed some foam in the battery tray.
just gotta wait for her to dry,mod my tq3 tx to run the trim,install everything for the test run.

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Old Apr 26, 2012, 12:30 AM
I feel the need for speed!
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Lookin good!
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Old Apr 26, 2012, 12:39 AM
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thanx!
my attention to detail wont be great,or beautiful.
my main focus is to get her riding.
later on ill do a rebuild thread.
including a better...more compact and efficient trim package,brushless...maybe a different deck....build her like a ski boat.

hopefully everything works out that way.
i know she will be slow....compared to other race boats....but i build for scaleness....not speed.
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Old Apr 26, 2012, 05:45 PM
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modded my traxxas tq3 rx to use the trim.shes ready to hit the waves.
gotta add more weight to the nose though.
pool tested great,when trimed 3/4 the way up,she hops out the water....cant wait to go run her.



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Old Apr 26, 2012, 06:10 PM
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added 3 0z of lead to the front,and 3 20 0z temp flotation for the test run.

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Old Apr 26, 2012, 10:07 PM
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first test ride in water was nice,a bouncy ride,the trim works great.
on the second pack i went out to open choppy water with 8-10 mph breeze.
made 1 lap before the stock motor threw a brush.
so i didnt setup the cam.
first pack lasted about 20 mins running up and down a drainnage ditch.
caught lots of grass in the wheel,tested the motor kickup by jumping a submerged bucket.
i had fun.its a wild ride steering this thing straight in a narrow ditch,in open water she was pretty stable,but due to the bounce i slowed alittle on turns....just in case.
a good 15-18 mph.
the trim is sensitive....lol.
ill post up a youtube test vid in a few.
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Old Apr 26, 2012, 10:21 PM
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nothing fancy....just a test,some weeds in the wheel,a few trim adjustments from the tx,a jump...lol


ep-1 test with power trim (4 min 18 sec)
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Old Apr 26, 2012, 11:45 PM
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after 30 mins total run on the ep-1....ive got water in the lower unit.

heres a closer look at the guts.


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Old Apr 27, 2012, 12:14 AM
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after a quick clean up and inspection....my gears show wear.
the ep-1's downfall.

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Old Apr 27, 2012, 01:09 AM
I feel the need for speed!
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Southern U.S.
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You may need a bigger lake.................

Thats the weak link of the EP-1, the brass bevel gears and you cant find them anywhere..........maybe someone can make you some out of steel/titanium?
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Old Apr 27, 2012, 01:14 AM
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theres a bayou 150 yards wide at that location,i put the boat in...about 30 seconds later i threw a brush.
she rode great in the deep choppy water....ill put in a fresh motor tonight,try again tomorrow or saturday.

i have a lead on a guy that made gears for them last year.
i sent him an email.
a certin graupner motor uses the same gears....i think the 800 series.
id be happy with stainless gears.
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