First airboat. Have no idea what Ive got myself into....

Aircraft powered airboat discussion.
Barry830
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Re: First airboat. Have no idea what Ive got myself into....

Post by Barry830 » Fri Jun 19, 2015 1:35 pm

I used Rotella in mine for a while...then changed over to Aeroshell 100.

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Brotherbob
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Re: First airboat. Have no idea what Ive got myself into....

Post by Brotherbob » Sun Jun 21, 2015 7:57 pm

Ok Aircraft gurus....we got new oil, new plugs, soaked the cylinders in PB Blaster, fresh fuel line a good pump,and we got it spinning over but NO SPARK?
So what is normally the fix for dual mags with no spark?
They are hot -like a generator right? You ground them to KILL them?
It makes good sounds and has compression.....enough to blow a rats nest out of the header!
BB
BRAB41,TAA-220 ,Air Ranger 15x8 , SBC , 78 " 3 blade WW prop, 2.88 Stinger
SHO-NUF!

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gblack15
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Re: First airboat. Have no idea what Ive got myself into....

Post by gblack15 » Sun Jun 21, 2015 9:31 pm

clean the points with fine emory paper

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CactusJack
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Re: First airboat. Have no idea what Ive got myself into....

Post by CactusJack » Mon Jun 22, 2015 8:50 am

Have you borrowed a prop for it, or are you trying to start it with the starter motor with no prop? You really need a prop on it, even if it is not exactly the right one.... maybe someone can loan you one? The prop acts like a flywheel, without one, it can over rev real quick.....
I was told I was wrong, once (not sure I believe it though)
If you can't blind 'em with brilliance, baffle 'em with BS
Airboat experience so far, limited to having bolted a gyrocopter to a flat bottom punt.... but THAT.... is about to change, bigtime :-)

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GeeLeDouche
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Re: First airboat. Have no idea what Ive got myself into....

Post by GeeLeDouche » Mon Jun 22, 2015 10:53 am

Sounds like a mag problem to me. I would start by Checking your mag grounds..
16x8 Utah style hull With a Waterthunder motor W/ 2.3 CH3 reduction swinging a 3 blade 78" R.
&
17-51 Legend craft w/pods pushed by a MB HD7000

Barry830
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Re: First airboat. Have no idea what Ive got myself into....

Post by Barry830 » Mon Jun 22, 2015 1:33 pm

I agree with "gblack15" & "CactusJack"........chances are , all the mags need are the points cleaned & wouldn't even try to start without a prop.

I sent my phone # to "CantGetRight".......told him if he had questions to call. Wish I lived closer.

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dan-o
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Re: First airboat. Have no idea what Ive got myself into....

Post by dan-o » Mon Jun 22, 2015 1:39 pm

Yes you ground the mags to kill them. Make sure the points open and close. Ok to start engine with out a prop but idle only.
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Comanche-pup
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Re: First airboat. Have no idea what Ive got myself into....

Post by Comanche-pup » Mon Jun 22, 2015 3:59 pm

Mine wont start without a prop, it just huffs


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CantGetRight
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Re: First airboat. Have no idea what Ive got myself into....

Post by CantGetRight » Mon Jun 22, 2015 5:46 pm

Thanks BrothaBob. Haven't been on acomputer yet and typing on the phone sucks.

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Brotherbob
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Re: First airboat. Have no idea what Ive got myself into....

Post by Brotherbob » Mon Jun 22, 2015 5:47 pm

Ok clean the mags points...run engine but only at idle...
Thanks we will report more after the weekend.
BB
BRAB41,TAA-220 ,Air Ranger 15x8 , SBC , 78 " 3 blade WW prop, 2.88 Stinger
SHO-NUF!

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Re: First airboat. Have no idea what Ive got myself into....

Post by dan-o » Mon Jun 22, 2015 7:30 pm

well I'm no expert by any stretch. but I have seen several run on their engine stand with no prop. don't punch it easy to over rev is what I've been told.
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Comanche-pup
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Re: First airboat. Have no idea what Ive got myself into....

Post by Comanche-pup » Tue Jun 23, 2015 9:10 am

I didnt mean to say dont do it, was just saying mine wont


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CactusJack
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Re: First airboat. Have no idea what Ive got myself into....

Post by CactusJack » Tue Jun 23, 2015 10:19 am

Comanche-pup wrote:I didnt mean to say dont do it, was just saying mine wont


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I 'm not saying if you try to start it with no prop it will explode and fall to bits, simply saying that it is a good idea to have some sort of prop on it for flywheel effect and a bit of resistance. I have often run an engine with any prop that fits the hub, even if it is turning the wrong direction or way too small, wrong pitch, too light.... I just think it is safer to have something on there.... maybe someone has something they could loan you? If you put a prop on back to front tho, chock the trailer wheels.... it might want to pull the trailer backwards (please don't ask me how I know this) :dontknow: :shock: :lol:

Have someone ready to hit kill, either the switch or ground the mags, just in case it starts and goes wild (don't ask me how I know that either) :oops: :salute:
I was told I was wrong, once (not sure I believe it though)
If you can't blind 'em with brilliance, baffle 'em with BS
Airboat experience so far, limited to having bolted a gyrocopter to a flat bottom punt.... but THAT.... is about to change, bigtime :-)

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Re: First airboat. Have no idea what Ive got myself into....

Post by cdid » Tue Jun 23, 2015 10:27 am

Starting the motor without a prop could cause it to spin backwards and you will rip the mags off the block... dont ask how i know... To me not worth it.
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Deano
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Re: First airboat. Have no idea what Ive got myself into....

Post by Deano » Tue Jun 23, 2015 10:31 am

:shock: Jack, you don't let the kids help you work on that thing, do you ? :D
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but it is not the path to knowledge; it has no place in the endeavor of science."
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Brotherbob
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Re: First airboat. Have no idea what Ive got myself into....

Post by Brotherbob » Tue Jun 23, 2015 11:27 am

OK...yes , no , you'll put your eye out and in a perfect world.......Got it!
Thanks we try again on Sat.
Maybe we should just drill out a 2x6 for a counter weight! LOL!
BB
BRAB41,TAA-220 ,Air Ranger 15x8 , SBC , 78 " 3 blade WW prop, 2.88 Stinger
SHO-NUF!

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CactusJack
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Re: First airboat. Have no idea what Ive got myself into....

Post by CactusJack » Tue Jun 23, 2015 12:46 pm

Surely someone has a prop they could lend you for a couple of starts? :dontknow: I've got 3 here (I'm looking at one right now) I would happily lend you if you weren't on the other side of the planet :scratch: Don't laugh, I have used a piece of 6" x 1" hardwood before... balanced on a screwdriver.... only because it was hand start only and I didn't have a prop to fit my hub..... made one hell of a noise.... I don't recommend it :shock: :lol:

Where are you? There must be someone on here near you with a serviceable prop to help you out? :wink:
I was told I was wrong, once (not sure I believe it though)
If you can't blind 'em with brilliance, baffle 'em with BS
Airboat experience so far, limited to having bolted a gyrocopter to a flat bottom punt.... but THAT.... is about to change, bigtime :-)

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Brotherbob
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Re: First airboat. Have no idea what Ive got myself into....

Post by Brotherbob » Tue Jun 23, 2015 6:07 pm

Jack we are in Brock Tx and almost noone runs a aircraft boat....
I'm hunting a used prop but it would be a pretty small prop 66-70" 32-36 pitch from what I read?
Thanks
BB
BRAB41,TAA-220 ,Air Ranger 15x8 , SBC , 78 " 3 blade WW prop, 2.88 Stinger
SHO-NUF!

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CactusJack
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Re: First airboat. Have no idea what Ive got myself into....

Post by CactusJack » Thu Jun 25, 2015 3:17 am

Brotherbob wrote:Jack we are in Brock Tx and almost noone runs a aircraft boat....
I'm hunting a used prop but it would be a pretty small prop 66-70" 32-36 pitch from what I read?
Thanks
BB
Yeah, it is a pain in the butt being away from where the airboats hang out.... if you were in Florida and asked to borrow a prop, prolly 30 folks would turn up at your door with props :salute:

As I said, I would have no problem loaning one of mine, hopefully someone will read this thread and loan one to you? So, what would you need diameter wise? No bigger than 70"? Pitch and type doesn't matter, it is just to start the motor with :thumbleft: is it just the standard hub pattern? Maybe give folks the pattern dimensions, someone might remember a prop they have laying around doing nothing :scratch: :thumbleft:
I was told I was wrong, once (not sure I believe it though)
If you can't blind 'em with brilliance, baffle 'em with BS
Airboat experience so far, limited to having bolted a gyrocopter to a flat bottom punt.... but THAT.... is about to change, bigtime :-)

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Re: First airboat. Have no idea what Ive got myself into....

Post by Chaseh » Thu Jun 25, 2015 9:04 pm

Bob, there may be some guys down here with a ivo 3 bld 70-72". It was on a sbc until I sold them my old ngh. Want me to see if they'd loan her out?

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Brotherbob
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Re: First airboat. Have no idea what Ive got myself into....

Post by Brotherbob » Sun Jun 28, 2015 7:03 pm

Chaseh wrote:Bob, there may be some guys down here with a ivo 3 bld 70-72". It was on a sbc until I sold them my old ngh. Want me to see if they'd loan her out?
Nah we are good for now Chase thanks.

Update- We took a peek inside the mags and its got "SLICK" mags? They dont have "points" so I'm not sure how to proceed. Everything looks good inside the mags but they appear to electronic? Not what I expected to see , however I did get a buddy to hold on to the wire contacts while I spun it and it didnt knock the $hit out of him! :D
So does this make any since to ya'll?
BB
BRAB41,TAA-220 ,Air Ranger 15x8 , SBC , 78 " 3 blade WW prop, 2.88 Stinger
SHO-NUF!

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Re: First airboat. Have no idea what Ive got myself into....

Post by CantGetRight » Sun Jun 28, 2015 11:41 pm

Here are some pics of it....Image

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Re: First airboat. Have no idea what Ive got myself into....

Post by CantGetRight » Sun Jun 28, 2015 11:43 pm

Image

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JT540
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Re: First airboat. Have no idea what Ive got myself into....

Post by JT540 » Mon Jun 29, 2015 6:14 am

they have points! I believe I have a set of those that are new old stock still have factory boxes and paper work. they are the old style slick mags that nobody uses anymore. if you pay for shipping I will give them to you.
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CantGetRight
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Re: First airboat. Have no idea what Ive got myself into....

Post by CantGetRight » Mon Jun 29, 2015 1:13 pm

I will totally take you up on that!

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