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Who calls LEIs vertical structural elements "masts"?

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revhed
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Re: Who calls LEIs vertical structural elements "masts"?

Postby revhed » Mon Oct 09, 2017 8:34 am

Jackie Treehorn wrote:
Fri Oct 06, 2017 3:07 pm
mast [mast, mahst]

noun
1.
Nautical.

a spar or structure rising above the hull and upper portions of a ship or boat to hold sails, spars, rigging, booms, signals, etc., at some point on the fore-and-aft line, as a foremast or mainmast.
any of a number of individual spars composing such a structure, as a topmast supported on trestletrees at the head of a lower mast.
any of various portions of a single spar that are beside particular sails, as a top-gallant mast and royal mast formed as a single spar.

2.
Also called pillar. the upright support of a jib crane.
3.
any upright pole, as a support for an aerial, a post in certain cranes, etc
Thanks for the above definition!

"a spar or structure rising above the hull and upper portions of a ship or boat to hold sails, spars, rigging, booms, signals, etc."

"rising above the hull and upper portions" Our STRUTS are BELOW!

to hold sails, spars, rigging, booms, signals, etc." Our STRUTS are used to resist compression, not hang something on and, or support said sails,
spars, rigging, booms, signals, ect.

Can anyone really justify this definition as applying to our STRUTS!

I am quite sure that had the worlds leading KBHFing country NOT used the word "MAT" but had the word "STRUT" existed in French then we would not be having this conversation!!

R H

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Re: Who calls LEIs vertical structural elements "masts"?

Postby revhed » Mon Oct 09, 2017 8:42 am

BWD wrote:
Sat Oct 07, 2017 3:59 pm
When there is a mast,it is either THE main structural component of an entire object or one of its principal sub-parts, exemplified by sailboats radio towers, etc. Struts are usually multiple and are usually smaller parts of the whole of smaller parts of a sub-part: car suspension struts, space frame components, individual parts of furniture, buildings etc.
Sorry, but wikipedias definition under aircraft does not support your above post.
https://en.wikipedia.org/wiki/Strut
"sometimes even to form, the main functional airframe."
R H

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Re: Who calls LEIs vertical structural elements "masts"?

Postby revhed » Mon Oct 09, 2017 8:45 am

FLandOBX wrote:
Sat Oct 07, 2017 8:19 pm
If you say mast (not strut), you'd refer to your rig as a sail (not kite), and you'd call yourself a sailboarder (not kiteboarder). I can't go there. :-?
:D :thumb:
I can and will continue to go there!
R H

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Re: Who calls LEIs vertical structural elements "masts"?

Postby revhed » Mon Oct 09, 2017 9:05 am

https://en.wikipedia.org/wiki/Strut
First Photo example,
strutwiki.jpg
strutwiki.jpg (6.24 KiB) Viewed 300 times

https://en.wikipedia.org/wiki/Mast_(sailing)
First photo example,
mast1wiki.jpg
mast1wiki.jpg (8.06 KiB) Viewed 300 times
Which does your KBHF STRUT look more like?
Also interesting to note that wings (which we use) are shown being fixed together AND resisting compression as in our application VS
a sail being supported!
R H

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Re: Who calls LEIs vertical structural elements "masts"?

Postby foam-n-fibre » Mon Oct 09, 2017 12:11 pm

I think strut is the more correct word. But it's tough to battle the momentum that "mast" seems to have got. Try discussing the hydrofoil setup on a windfoil or any hydrofoil sailboat. They would have masts on both sides of the boat! I doubt they will use the word mast in the long term, it's too confusing.

Peter

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Re: Who calls LEIs vertical structural elements "masts"?

Postby revhed » Mon Oct 09, 2017 12:24 pm

foam-n-fibre wrote:
Mon Oct 09, 2017 12:11 pm
strut is the correct word. Try discussing the hydrofoil setup on a windfoil or any hydrofoil sailboat. They would have masts on both sides of the boat! I doubt they will use the word mast in the long term, it's too confusing.
Peter
:thumb:
So simple in this context, the mast is above and supports a sail, and the STRUT is below resisting compression as the definitions clearly state!
R H

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Re: Who calls LEIs vertical structural elements "masts"?

Postby borist » Tue Oct 10, 2017 2:12 am

In some languages it is called leg...;-)

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Re: Who calls LEIs vertical structural elements "masts"?

Postby K-Roy » Tue Oct 10, 2017 3:39 pm

In the Circus, the large poles holding up the Big Top are also called "Mast".
It's universal around the world...

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Re: Who calls LEIs vertical structural elements "masts"?

Postby BWD » Tue Oct 10, 2017 4:46 pm

revhed wrote:
Mon Oct 09, 2017 9:05 am
https://en.wikipedia.org/wiki/Strut
First Photo example,
strutwiki.jpg


https://en.wikipedia.org/wiki/Mast_(sailing)
First photo example,
mast1wiki.jpg
Which does your KBHF STRUT look more like?
Also interesting to note that wings (which we use) are shown being fixed together AND resisting compression as in our application VS
a sail being supported!
R H
Your own examples illustrate my point.
The sailboat mast you clearly see in your picture is the central and sole rigid member (ahem) holding up the sails and wires that form the rig.
The biplane you depict has struts that no doubt attach the WING SPARS of the two wings and are critical to airframe integrity.
BUT that is not the role analogous to a sailboat mast (Which incidentally in stayed designs as you show resists compression >boat's weight, held in column by other rigging).
The struts' role is to reinforce an airframe, not create it. Remove the struts from biplane and there is still an airframe, at least for a time.
Struts therefore play a role soumise.
The principal role that is played by the FUSELAGE of the airplane.
Especially if monocoque.
And the WING SPARS.

So one may strut off into the shadows, or if preferred, ride a monocoque or spar into the sunset, but know this, "C'est un mat."

BTW if you want to keep going at this google "UpTip Foils" and the name, Doug Lord.
Excellent example of how someone can know some things, and sometimes be right, but so, so wrong.

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Re: Who calls LEIs vertical structural elements "masts"?

Postby revhed » Tue Oct 10, 2017 8:17 pm

BWD wrote:
Tue Oct 10, 2017 4:46 pm
The struts' role is to reinforce an airframe, not create it.
As already noted above wiki disagrees with your statement!
https://en.wikipedia.org/wiki/Strut
"and sometimes even to form, the main functional airframe"
"C'est un mat." Yes in French, BUT not in English, period!


https://www.merriam-webster.com/dictionary/strut
noun
Definition of strut
1 :a structural piece designed to resist pressure in the direction of its length

https://www.merriam-webster.com/dictionary/mast
Definition of mast
1 :a long pole or spar rising from the keel or deck of a ship and supporting the yards, booms, and rigging

https://en.wikipedia.org/wiki/Hydrofoil
"Description
The hydrofoil usually consists of a wing like structure mounted on struts below the hull,"
By the way have a read of the above quoted article and note the word "mat and,or mast is mentioned NO WHERE!

https://en.wikipedia.org/wiki/Sit-down_hydrofoil
"Foil assembly - a long strut, usually around 3 feet long, connected to a fuselage carrying a front wing (for lift) and a rear wing (for stability). "

R H


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