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Search: Posts Made By: sportygreg
Showing results 1 to 25 of 442
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07-15-2014, 04:41 PM
Replies: 1
Views: 330
Posted By sportygreg

Any surface system should work for you.Get a 2.4...

Any surface system should work for you.Get a 2.4 ghz for less interference-I still run a few older boats on 75mhz but the range seems to be about the same.Generally,my buddy and I don't run further...
07-10-2014, 05:17 PM
Replies: 10
Views: 807
Posted By sportygreg

Well I have several boats and never had to do...

Well I have several boats and never had to do that to a water pickup.
07-10-2014, 05:14 PM
Replies: 1
Views: 505
Posted By sportygreg

Vee hull is the way to go-I run cats only when...

Vee hull is the way to go-I run cats only when the water is relatively smooth,Even a slight chop can make a cat hull flip at higher speeds.
06-26-2014, 01:54 PM
Replies: 3
Views: 863
Posted By sportygreg

The purpose of the lipo cutoff is to prevent the...

The purpose of the lipo cutoff is to prevent the voltage from getting too low and damsge the battery.Any lipo cutoff should work.Without knowing the voltage capacity of the esc I don't know if it...
06-26-2014, 01:42 PM
Replies: 10
Views: 807
Posted By sportygreg

Usually the water pickup is mounted straight up...

Usually the water pickup is mounted straight up and down.If you can blow through your cooling system it should be working-some larger diameter tubing might help increase water flow.Most of my boats...
06-25-2014, 02:53 PM
Replies: 10
Views: 807
Posted By sportygreg

At slow speed you may see little or no water but...

At slow speed you may see little or no water but at higher speeds you should have a steady stream of water coming out.After a run, the motor should only be warm.If you can't keep your fingers on it...
06-25-2014, 02:42 PM
Replies: 3
Views: 863
Posted By sportygreg

No need for a marine receiver as long as it stays...

No need for a marine receiver as long as it stays dry.I take my receivers apart and spray them with corrosion x in case they get wet.Lipo won't work with stock esc unless you use a voltage cutoff for...
06-25-2014, 02:35 PM
Replies: 6
Views: 874
Posted By sportygreg

You can almost buy a Shockwave brushless for that...

You can almost buy a Shockwave brushless for that without radio on Fleabay.My buddy has one and it's fast with 3s lipo.
05-12-2014, 12:11 PM
Replies: 2
Views: 1,246
Posted By sportygreg

I had a Dauntless and you can still get the...

I had a Dauntless and you can still get the running gear for it-I ran mine on 2 12v Dumas motors wired to 1 Dumas 12v speed control with a 12v gel cell and it ran at scale speeds.A cheap alternative...
05-12-2014, 11:29 AM
Replies: 4
Views: 665
Posted By sportygreg

I have had similar problems after taking on...

I have had similar problems after taking on water-I take the rx apart and spray with Corrosion X. This stuff is great and I have even brought dead rx back to life this way.
04-29-2014, 10:56 AM
Replies: 7
Views: 608
Posted By sportygreg

I would go parallel to lower the amp draw on the...

I would go parallel to lower the amp draw on the batteries.It must be a good sized boat to handle all that!
04-27-2014, 04:21 PM
Replies: 4
Views: 988
Posted By sportygreg

You definitely would be better off with the...

You definitely would be better off with the brushless setup for that size boat.I have a 24" shovel with a 540 motor and it gets on plane ok but I wouldn't say it's fast.
04-27-2014, 04:13 PM
Replies: 7
Views: 608
Posted By sportygreg

As long as you have 2 high amp esc's and a...

As long as you have 2 high amp esc's and a boatload of batteries I don't see a problem!
04-27-2014, 04:08 PM
Replies: 1
Views: 492
Posted By sportygreg

Since they are both 5000 mah it should be about...

Since they are both 5000 mah it should be about the same run time.
03-29-2014, 12:26 PM
Replies: 3
Views: 394
Posted By sportygreg

I would say they are grease fittings as there is...

I would say they are grease fittings as there is no need for water lines to connect with the shaft tubes.These were common on Graupner boats with solid shafts.Probably meant to save you the trouble...
03-20-2013, 11:14 AM
Replies: 7
Views: 1,141
Posted By sportygreg

RE: What make/model is this hull???

That looks like a Graupner Electro Vee-great running hull with a 700 motor.
Forum: RC Airboats
02-04-2013, 01:25 PM
Replies: 5
Views: 1,620
Posted By sportygreg

RE: Tempest airboat

I like to back the hole with thin plywood and fill it in with epoxy or fiberglass resin.I don't know if epoxy can be colored without affecting the strength.
02-04-2013, 01:19 PM
Replies: 6
Views: 814
Posted By sportygreg

RE: Boat electric question?

Thanks for the advice-I run a Kershaw 700 in my old ElectroVee hull with a 4mm flexshaft and it runs great.I thought the EVX supplied 14.4 V to each motor so I bought 2 Titan marine 14V motors for...
02-04-2013, 12:49 PM
Replies: 8
Views: 4,324
Posted By sportygreg

RE: Vintage MRC Jet Boat

The boat looks to be made of fiberglass and I think MRC made all ABS hulls but I could be wrong.I know it says MRC on the transom but maybe those are initials or Mr.C.It looks like it was powered by...
02-04-2013, 12:29 PM
Replies: 2
Views: 790
Posted By sportygreg

RE: MRP hydrosport

The hull alone is probably worth the 20 bucks-original MRP parts would be hard to come by but there are plenty of rc boat parts available on Fleabay.I have rehabbed several old kit boats by finding...
02-04-2013, 12:19 PM
Replies: 3
Views: 561
Posted By sportygreg

RE: R/C tech help

With boats the biggest problem is corrosion.The receiver especially is prone to corrosion if not in a balloon or radio box.Get a cheap voltmeter and see if you are getting juice to everything...
01-29-2013, 04:24 PM
Replies: 6
Views: 814
Posted By sportygreg

RE: Boat electric question?

Thanks for the response but brushless is not an option -I already have 14.4v speed controls and it would be a lot cheaper to replace motors than go brushless.I can get 2 14v motors for less than 1...
01-28-2013, 07:35 AM
Replies: 6
Views: 814
Posted By sportygreg

Boat electric question?

I have 2 older boats running 14.4 V with the motors wired in series using manual speed controls and gearbox running one shaft.The motors are stock 540 types-are the motors sharing the voltage or...
Replies: 8
Views: 543
Posted By sportygreg

RE: Motor Can

Without drilling and tapping for a larger screw,you might be able to wrap a screw with Teflon tape and get a tight enough fit that it would hold.
01-11-2012, 01:17 PM
Replies: 4
Views: 675
Posted By sportygreg

RE: Newby driveshaft question

The shaft should be a tight enough fit in the stuffing tube so that all you need is some grease to keep water out.
Showing results 1 to 25 of 442
 


 
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