Hornet F1 Tunnel Hull Mods And Test Runs




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Did this video help you?

Mike Sallustio: I am an avid follower of yours from Montreal Canada and the thought is how goes the Fullers lower leg ?

beaneriser: the boat is flying about 73.5 percent of the time lol.

Pyr0D3vil79: Very Nice Boat! Best Regards from Germany !

steg140: thank yo so much for your answers! so if I could find a 28mm motor with a maximum of 1400kv I may have my problem solved? I guess the stock one was defective then or it should have not burned..am I right? I saw your first run when the boat was stock and it seemed everything was allright...

DiehardRCaddicts: Sorry, don't know what you mean by 4mods

DiehardRCaddicts: @VitorHugoz as seen in the video the water did not ruin the motor. You just have to be sure to check the bearings and keep them lubricated.

Frank Kjøllefjord: Hi Frank what did you do with the motor and parts inside? I own a Dragon Tamoil F1 that look very similar to your boat, inside my boat it's impossible to do anything as i think the parts was put inside before the hull was placed around it. Also the sleeve that is suppose to connect the motor and propeller shaft drive me nutz... the locking screws will simply not lock the axels in place (i end up breaking the allan holes in them. Thus i'm looking to outboard it now

DiehardRCaddicts: We haven't tested the Sprint F3 so can only give suggestions on that one. I think it is smaller than the Hornet F2 so you may be more limited as to what you can run. If you are going for 6s keep the motor kv rating around 1600kv.

stratosFZ1: HI Frank first of all thx for all the mods u upload to show how the hull can be better!U really helped me!I tried to put also a 4 cell lipo in my F1 but when i test run the boat at full throttle the propeller (with the shaft propeller went out of the outboard leg!!!:(:( So i d like to ask you the upgrade that you bought from ebay is ready to install??What i mean is the the outboard unit has already the flex shaft inside and a prop shaft or u put these parts from the stock outboard lower unit?THX

redrumm101: Im thinking 4mods is a screen name for someone.

Anuar Razak: Frank - have you tested the new Sprint F3 ?The stock motor is a 3000kv on a 3s -.Any suggestion for an upgrade to a 6s

Dismal Dream: Don't spend more with hobbyking than your willing to lose.

traxxasinsane1: hey would a inrunner brushless motor work on one of these thanks!! Brian

startazz: Nice going Frank mate and i hope we get to see that bad boy going with the 6s batteries in there ;-) but it looks to be going fast enough with just 4s and thanks for sharing man.

catamaranman333: I knew it was only a matter of time before the 6s batteries found their way into a boat.....

DiehardRCaddicts: Angled down 1 or 2 degrees with the prop center line even with the bottom ride surface of the boat.

S30Uploads: its a channel, maybe its just that sprinkler in the lake, they must be kinda common. anyways, check out his channel I bet you'd make good friends =D

Simon Clements: Hi Frank, I've copied your mods, except I got the large aluminium leg. It went ok on 3s and is very quick on 6s. However the 5mm shaft has broken on at the coupling on only the second speed run. I was using a 40mm aluminium propellor. The sales guy reckons 6s is way to much. What shaft are you using?

Rick Shane: I want an Asian girlfriend that will come out flying with me!

Frank Kjøllefjord: Ok thanks for replying :) I've been able to sort out my locking screws problem... finally. What do you suggest to do to extend the drive time on my boat, is it is now i run a 1.11V 3S 2200mAh which give me 8 - 10 min. run time. The ESC is water-cooled 50A so i guess i can upgrade some, just wondering if it will be worth it.

DiehardRCaddicts: Yes, and you just answered all your own questions.

steg140: thanks! I'll try describing you a few more things, maybe you can help. in both the cases the boat ran with a 3 cell 5000mAh li-po battery and the cooling was perfectly working (I did the adjustments you did in your first videos so I could see the water coming out), in the first run with the stock esc, in the second one with a 30A new one. when the boat runs the propeller is near the surface, the second motor was a 4800kv. cheers

Natalia Saavedra: nice video and boat. what did the adjustable motor mount do for you? did it make the boat turn better? My boat tends to hook and spin out. maybe im turning it too hard in a tight circle.

steg140: haha nice vid, funny

TheLipRipp3r: Awesome!

DiehardRCaddicts: This boat comes stock with an outboard setup. There was no motor or drive hardware mounted inside the hull when I got it. I just upgraded to a better outboard unit.

steg140: thank you very much, you have been very kind

S30Uploads: i recognize that pond, do you know 4mods?

julie bery: Hello I shall like the reference of the helix thank you I have to find the boat on hobbyking the esc and the engine but I find not the helix Sorry I am french thx

Boot2yourHead: Franky she move, now how the heck is that motor still good I thought they were done if they got wet. guess i have to rethink brush less motors.

catamaranman333: Also, have you thought about using a check-valve in the drain holes so if you do get any water in the hull it comes right out (as long as you're on a plane)

DiehardRCaddicts: Well I see your problem clearly now. 4800kv is about 3.5 times more than the stock motor which is 1400kv. The stock prop is way to big and that is what killed the second motor. Your lucky if you didn't burn the esc too! If you are going to run a 28mm diameter motor with the stock prop you will need to stay around 1400kv. If you want to run a high kv motor, you can go up to 2800kv but would need to go down to a 35mm prop.

Chris Wyatt: i want to to the upgrades but keep the look of an actual boat outrunner any ideas ???

Mick Bet: hello where did you get the parts to make the outbaord

jdgurl143: where do i get a replacement flex shaft, and drive dog, and collet?

Anuar Razak: Thanks - But it is going to be a bit difficult to find a 1600kv with a shaft size of 3.175mm - Don't think HK carry any of those

mozzy72: Back in the day of racing off or on road cars on brushed motors, we used to break them in on a 9V battery with the motor sitting in a glass of water. How else can Traxxas say that their cars are ok to be driven in water?

DiehardRCaddicts: @traxxasinsane1 yes it will work fine with an inrunner motor. Actually if you buy the ready to run outboard from Fullers Fast Electric it comes with an inrunner motor on it.

DiehardRCaddicts: @jdgurl143 links to all the parts used are in the video information bar below the video.

RIPcombat: 6s up front hang on. I no you have to try it

dioncuda .: man, that thing has alot of bite:)

DiehardRCaddicts: Could be a lot of differnt things.Examples: New motor kv is too high for stock prop size, not getting good water flow for cooling, prop shaft not lubed well and is binding, running too many battery cells for the setup, the prop is too deep and causing too much load, the drive angle is wrong and causing the boat to plow which makes the motor have to work too hard. Check all these things

steg140: excuse me, I burned two motors with this boat, the stock one and a new one which had the same dimensions as the stock one. before the second run I even changed the esc to be sure it could properly match with the engine, but it fried after 1 minute...can you tell me what's wrong?

DiehardRCaddicts: Not sure which shaft you are talking about. If you mean the 5mm motor shaft it is the stock one only cut shorter to fit in the lower leg. If you mean the flex shaft or prop shaft at the bottom of the drive, I was using the stock ones that come with the Fullers Fast Electric lower drive leg. You can find them on Ray Fullers ebay site. You can find a link in the video information bar below the video.

VitorHugoz: Hello , i d like to know if doesnt problem with the water in to the motor . I have a Hornet and burnnet 1 motor . could you please , can you help me???? best regards

Natalia Saavedra: ok thanks. How did you angle your boat with this new mount? Did you raise the motor up or down?

Linoge279: thats a good speed for racing and whats the runtime with that motor?I didn't expected the tunnel ran that fast, you should mod more of this tunnel and sell it, should sell like hot cake!!

DiehardRCaddicts: @stratosFZ1 the Fullers lower leg unit comes with the flex shaft and prop shaft and swivel mount already installed If you have any questions be sure to ask Ray Fuller on ebay before ordering, he is always a great help.

catamaranman333: Oh, one last thing.....that pond is shrinking.

DiehardRCaddicts: I got the outboard drive from Fullers Fast Electric. Please check the links in the video information bar below the video. The Fullers lower leg unit comes with the flex shaft and prop shaft and swivel mount already installed If you have any questions be sure to ask Ray Fuller on ebay before ordering, he is always a great help.
Rating:
Hornet F1 Tunnel hull mods and test runs 4.6 out of 5

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Hornet F1 Tunnel hull mods and test runs