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RE: Fastest Engine - 1/23/2008 7:17 PM   
Mike Connor



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From: Tulsa, OK, USA
Status: offline 		The drag coefficient increases with speed when using a round shape.
Attachment form NASA web site.

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RE: Fastest Engine - 1/26/2008 11:13 AM   
hooty301


 

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Status: offline 		Some very good info! I love the way you guys think.
Im gonna make a seperate set of tubes with a shorter length and I will definatly have to do some experimenting with them.

< Message edited by hooty301 -- 1/26/2008 11:34 AM >

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RE: Fastest Engine - 2/3/2008 10:12 PM   
hooty301


 

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Status: offline 		Just thought Id show you guys a few pics of my flatbottom with a Jettstream on the 91fx, setup with water rudder. Ive got a topspeed of 56mph with this combo.

The fuel tank is set for the pictures only, I normaly keep it insualated with foam to help with the vibration.

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< Message edited by hooty301 -- 2/4/2008 12:20 AM >

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RE: Fastest Engine - 2/4/2008 2:08 AM   
daven



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Status: offline 		That looks like a lot of fun Hooty, but I'd rather go 190 in the air

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RE: Fastest Engine - 2/4/2008 2:15 AM   
Lomcevak Duck



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Status: offline 		You do good work with wood Hooty. It looks great.

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RE: Fastest Engine - 2/8/2008 10:38 AM   
hooty301


 

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Status: offline 		Thanks for the kind words Lomcevac Duck.

Daven wrote:
quote:

That looks like a lot of fun Hooty, but I'd rather go 190 in the air


I can only imagine the rush


Heres some more progress on my rigger, I shortend the boom tubes some in the second pic. Weight is at 1lb 14oz in the first pic a lil more in the others.

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< Message edited by hooty301 -- 2/8/2008 10:49 AM >

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RE: Fastest Engine - 3/17/2008 7:11 AM   
hooty301


 

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Status: offline 		I want to thank you guys for helping me select a good engine for my project.

I went with a 90lx fire.



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< Message edited by hooty301 -- 3/19/2008 11:01 AM >

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RE: Fastest Engine - 3/17/2008 10:47 PM   
jettlag


 

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RE: Fastest Engine - 3/17/2008 11:15 PM   
hooty301


 

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Status: offline 		Jetlag wrote:
quote:

was it rich?


I havent run it yet.

BTW Mr Jett, this thing is a work of art!


Thankyou

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RE: Fastest Engine - 3/24/2008 9:02 PM   
hollander101


 

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From: Winter Haven, FL, USA
Status: offline 		Wow that thing looks sweet, how has everything been going?? I have got to get some pics posted of my plane that I am working on I will have the other wing put together tonight do you have any pointers about wings??? As I see you have a wing on the back of your boat just how big is it??

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RE: Fastest Engine - 4/4/2008 11:15 AM   
hooty301


 

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Status: offline 		Hollander101 wrote:
quote:

Wow that thing looks sweet, how has everything been going?? I have got to get some pics posted of my plane that I am working on I will have the other wing put together tonight do you have any pointers about wings??? As I see you have a wing on the back of your boat just how big is it??


Sorry about the delede response, somehow I missed the post.

Thanks, glad you like it. Things are going perty good here, how about yourself?

Im no expert on wings, these guys on here are the pros. Is it a scratch build or kit? The wing on my boat is around 18 inchs in span.


< Message edited by hooty301 -- 4/4/2008 11:16 AM >

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RE: Fastest Engine - 4/4/2008 11:19 AM   
hooty301


 

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RE: Fastest Engine - 4/4/2008 12:17 PM   
HaveBlue



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Status: offline 		you know your gonna have to get a video of this thing hauling..dont you

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RE: Fastest Engine - 4/4/2008 10:59 PM   
proptop



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Status: offline 		That's really cool man
Pretty spiffy (does anybody else still use that word? ) engine mount/pylon too

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RE: Fastest Engine - 4/4/2008 11:59 PM   
Craig-RCU



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quote:

ORIGINAL: HaveBlue

you know your gonna have to get a video of this thing hauling..dont you

I think that there is a law to that effect in most states that if you build something that looks like it could break the sound barrier, you have to post video on RCU of a speed-run. You don't want to go to jail over this do you Hooty? Also, tell us more about that metal engine mount; is it stainless steel, aluminum?

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RE: Fastest Engine - 4/5/2008 4:29 AM   
freakingfast


 

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Status: offline 		I dont see any control surface for when it leaves the water and wants to be a plane

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RE: Fastest Engine - 4/5/2008 1:41 PM   
HaveBlue



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Status: offline 		I doubt to much of that hull? (fuse with pylons?) will see much water..besides I just want to hear that Jett 90 get on the pipe..take heed, you best included control surfaces for both water and air

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RE: Fastest Engine - 4/5/2008 3:55 PM   
cncswiss1


 

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Status: offline 		I agree it needs elevons, or at least an elevator

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RE: Fastest Engine - 4/5/2008 5:19 PM   
freakingfast


 

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Status: offline 		Some kind of horzontal control surface placed fore or aft and connected to a gyro would quickly help if the hull's pitch gets out of contol.....or level flight

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RE: Fastest Engine - 4/7/2008 9:48 AM   
hooty301


 

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Status: offline 		Thanks fellows, Ill definatly get some video for you guys.


quote:

think that there is a law to that effect in most states that if you build something that looks like it could break the sound barrier, you have to post video on RCU of a speed-run. You don't want to go to jail over this do you Hooty? Also, tell us more about that metal engine mount; is it stainless steel, aluminum?


LOL..no I dont wanna go to jail, will post video

The engine stand is aluminum.

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RE: Fastest Engine - 4/7/2008 7:44 PM   
asmithnc



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Status: offline 		I am such a fan of Hooty's work..... way to do BRO. For the video thingy.... I will host it on a dedicated site for you We ALL can see it in the quality it deserves.

Also when you come to NC for the meet my offers still stands. I'll put you in a 100mph speed boat so you can stretch the legs on your creation.

< Message edited by asmithnc -- 4/7/2008 7:46 PM >

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RE: Fastest Engine - 4/9/2008 7:09 PM   
mike the snake


 

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Status: offline 		56mph with an air boat might just be the world record! You should look into that.

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RE: Fastest Engine - 4/10/2008 11:22 AM   
hooty301


 

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From: lisbon, OH, USA
Status: offline 		Andy wrote:
quote:

I am such a fan of Hooty's work..... way to do BRO. For the video thingy.... I will host it on a dedicated site for you We ALL can see it in the quality it deserves.

Also when you come to NC for the meet my offers still stands. I'll put you in a 100mph speed boat so you can stretch the legs on your creation.


Thanks Andy!

Cant turn that offer down

mike wrote:
quote:

56mph with an air boat might just be the world record! You should look into that.


Ive seen 56mph out of it but it wasnt documented, the fastest documented speed from an airboat so far that I know of is 53.3mph.

Record run

http://www.rcairboats.net/Videos/Others/Nitro/Nitro533.wmv

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RE: Fastest Engine - 4/10/2008 5:38 PM   
mike the snake


 

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Status: offline 		I've been following that thread.

If you've already gone 56, then you should be able to eek even more speed from it.

GIT er Done Man! Take that World Record! That's something you can keep forever and not many people can say that.

I'm gunning for the all out world record for ALL model aircraft.

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RE: Fastest Engine - 5/19/2008 8:51 AM   
hooty301


 

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Well I got her ready for the water, heres a few pictures.










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< Message edited by hooty301 -- 5/20/2008 8:31 AM >

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