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RE: RE: hovercraft go - 3/10/2004 11:34 PM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		Tegwin!
The words of an american hovercraft pilot sums it all up, he said ! and I quote" the british have taken the hovercraft to one stage,we have simply taken it a stage further" unquote.
This guy flys on of the most sophi sophis the most advanced acv'v today lololol.
Now I do not know how much experience you guys have of acv's, but pray tell me tegwin! what kind of advancement do you expect?, nor does it matter who it comes from ,beit hover mal or the queen of sheeba.
Anyway! I came on to help, not stabbed in the back,and beleive you me I come with a wealth of info. more than you can handle!.
Im beginning to feel a bit guilty now and I have done nothing,.
BTW. Respect to hover mal and his designs ,I would have it no other way, ok chaps.





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RE: hovercraft go - 3/11/2004 10:07 AM   
struts


 

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Status: offline 		Speak to you later today, and hello to Mal and tegwin

regards


Struts.............

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       Post #: 127

RE: hovercraft go - 3/11/2004 12:28 PM   
Eclipse SS 750


 

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From: Australia
Status: offline 		Ive been reading this slanging match for a while, seems that's what the original post has turned into and I read with interest you guys talking about technology and inovation. But if you truely look into the area of full size craft you will see that there has been very little advancement in the basic design and principles since the 1960's. I have been involved with full size (2-4 person craft) for many years and ofcourse there have been improvements and developments. But basicaly the only inovatiuons have been in modern contruction materials, modern high performance engines, more effecient fans, and in larger commercial craft computers and electronics. The actual basic designs and experimentation was all done by the British in the 50's & 60's.


As for the view expressed above that a lack of full size commercial craft is due to a lack if innovation - this is not true. The lack of commercial craft is due solely to the limitations all hovercraft have. They are a high maintenance and expensive craft to operate. They are primarily water going craft and are not all terrain vehicles and as such commercial viable operations are limited. They are simply too expensive to operate in most situations where cheaper alternatives are available.

And as for the quote that the British took hovercraft to one level and we (the Americans) have taken it further - what a load of rubbish. The Americans built the LCAC - big deal, the thing is an ugly looking tank that looks like it is clad with roofing sheets, sure it works but tell me where the innovation is over something like the SRN4 built 25 years before it?

The fact remains that hovercraft are still a generally misunderstood type of vehicle and that many operators / manufactures have gone broke attempting to establish a commercially viable operation with them. Its also true that a great number of craft have been produced that never worked properly due to inherent deign floors and lack of understanding. To make a craft work stick to the basic principles and designs that have been proved. Why reinvent the wheel when you can use basic hull and skirt designs that have been prov en as the basis for your own designs and craft.

< Message edited by Eclipse SS 750 -- 3/11/2004 12:32:46 PM >

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       Post #: 128

RE: hovercraft go - 3/11/2004 10:24 PM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		Im not about to get into any slanging match,and your words are my sentiments exactly, My quote on the hovercraft pilot was not a boost for US enterprise ,it was a statement of where Britsh Design finished and the lcac took over and the only advancements are of structurel materials and engines etc, as for the SrN4, and although retired is still a very impressive sight, and Im talking from my own experience of the craft in the cockpit and at sea and in the jump seat, no other hovercraft can touch the SrN4.
Now shall we get on with the job in hand and help some of these guys get a model flying.
Btw. I also have been involved with acv design and construction and I continue to do so, I only came on here to help, and got the buttend of a slanging match. So here endeth the 5th lesson .
No more lads! lets get on with it or shut up.

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       Post #: 129

RE: RE: hovercraft go - 3/11/2004 11:16 PM   
tegwin



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From: malvern, UNITED KINGDOM
Status: offline 		Yup KIDS ITS TIME TO STOP SUQABLING AND GET BACK TO WORK/PLAYING

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       Post #: 130

RE: RE: hovercraft go - 3/12/2004 9:29 AM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		Yes Tegwin,
Its time to get back to playing as you say. and hello to Eclipse SS 750, and goodbye for now!.

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       Post #: 131

RE: RE: hovercraft go - 3/12/2004 9:31 AM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		Tegwin!
You are supposed to put the 'Q' before the 'U'.

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       Post #: 132

RE: RE: hovercraft go - 3/12/2004 11:16 AM   
tegwin



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From: malvern, UNITED KINGDOM
Status: offline 		Struts ur a cocky litle sod, no one else gives a toss if i cant spell

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       Post #: 133

RE: RE: hovercraft go - 3/12/2004 11:39 AM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		I dont giv a tos eeeedder, I jus ceep on tayking the tablets.

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       Post #: 134

Airflow - 3/12/2004 12:22 PM   
Hover Mal



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From: Basingstoke, UNITED KINGDOM
Status: offline 		Anyone know a good way to bend an airflow from a ducted fan through 90 degrees and get an even flow. I have tried a pvc 90 drainpipe joint but the airflow tend to go to one side, diagram attached may help explain.

The airflow goes straight until it hits a surface and then follows it, this means that although the pipe bends, the air will only follow one side. Sorry for quick poos descritpion, if you dont get what I mean let me know.

The only idea I have so far is adding vaines inside the tube.
Oh, its for a lift fan

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       Post #: 135

RE: Airflow - 3/12/2004 12:36 PM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		Mal
The air leaving the blades has a swirl, so have to be straightened out, how long is the pipe? cause I think you will have to put in flow straighteners, and turn vanes! to counter the blade angle.

Ps. did you get my last email,sent this morning?

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       Post #: 136

RE: RE: hovercraft go - 3/12/2004 12:43 PM   
tegwin



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Status: offline 		I would segest building your own duct with flow straigheners or relocate the fan so you dont have to waste enegry in a tube.

The thing i want to do is use the tail drive system of a model helicopter and have one engine for lift and thrust all geared together. That might solve ur problem

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       Post #: 137

RE: RE: hovercraft go - 3/12/2004 12:55 PM   
Hover Mal



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From: Basingstoke, UNITED KINGDOM
Status: offline 		Hi Struts/Tegwin,

The fan unit incorporates flow straighteners (missed them off the diagram oops) so the flow is straight which means it all goes to the back curve (right hand side on the diagram).

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RE: RE: hovercraft go - 3/12/2004 6:08 PM   
tegwin



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From: malvern, UNITED KINGDOM
Status: offline 		If you have a wide thin tube you wont get the dead space, but why does it matter, aslong as all the air is getting down towards the ground isnt that all that counts

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       Post #: 139

RE: RE: hovercraft go - 3/13/2004 12:43 PM   
Hover Mal



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From: Basingstoke, UNITED KINGDOM
Status: offline 		Good idea tegwin, not sure its quite what I need but worth considering, thanks.

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RE: RE: hovercraft go - 3/13/2004 2:45 PM   
tegwin



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From: malvern, UNITED KINGDOM
Status: offline 		Hovermal, will you be at the model hovercraft event at the hovercraft museum in june? It would be nice to see some of your inovations. I will be there with my pretty normal hovercraft

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       Post #: 141

RE: RE: hovercraft go - 3/13/2004 7:42 PM   
Hover Mal



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From: Basingstoke, UNITED KINGDOM
Status: offline 		I hope so Tegwin, all been well my current job finishes end of june (software engineer) so I will be a busy job hunting but should make the event. I've just started (today) a new model I hope to take. Is there a pic of your model on here.

Mal
How do we get a seperate Hovercraft forum ?

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       Post #: 142

RE: RE: hovercraft go - 3/13/2004 11:22 PM   
tegwin



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From: malvern, UNITED KINGDOM
Status: offline 		Here is a pic of the MARK1 version of my craft.


MARK2 is still in production, but will be at the hover event in june

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       Post #: 143

RE: RE: hovercraft go - 3/14/2004 9:21 PM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		Hiya Mal

About our own forum ! Ive just went into trouble ticket and asked them, why not do the same , how about you too tegwin it may help !

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       Post #: 144

RE: RE: hovercraft go - 3/14/2004 9:24 PM   
struts


 

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From: Rye, East Sussex , UNITED KINGDOM
Status: offline 		Is that the Brian clewes acv tegwin ?with 26cc petrol and roll bar ?

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       Post #: 145

RE: RE: hovercraft go - 3/14/2004 10:07 PM   
tegwin



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From: malvern, UNITED KINGDOM
Status: offline 		Yeas that is the brian clewes desighn, it is the best model i have come across. I am using it as a test platform for variable pitch blades and various other things.

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       Post #: 146

RE: RE: hovercraft go - 3/15/2004 12:20 PM   
Hover Mal



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From: Basingstoke, UNITED KINGDOM
Status: offline 		Since there are more hits on this Hovercraft thread than all of the other threads added together in the Boat forum it would appear that Hovercraft are popular enough for a separate forum . I'm not sure we should all raise trouble tickets though, hopefully yours will be enough.

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       Post #: 147

new hovercraft forum - 3/23/2004 5:09 AM   
Gerco


 

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From: Zandvoort, NETHERLANDS
Status: offline 		its funny that you mention that
With the help of Eddy Matthews, the moderator of Yahoo groups which is the only
hovercraft only forum, I have started a new "hovercraft community" with all features that
hovercraft fans could want A full featured forum obviously (unlike Yahoo groups !) and also a photo album where all you
hovercraft fans can upload as much pictures as you want, they wil be displayed in hi res with various more features.
Just check out the site at
http://www.rc-hovercrafts.com

Also there soon will be more features like files and video sharing.
And there is already a very extensive link list.

talk to you all hovercraft fans there !

Kind regards,

Gerco Marsch

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       Post #: 148

RE: new hovercraft forum - 3/25/2004 7:02 PM   
Hover Mal



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From: Basingstoke, UNITED KINGDOM
Status: offline 		Now I know why its gone quiet here ..... Cool site Gerco, just what we need.

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       Post #: 149

RE: new hovercraft forum - 3/26/2004 4:35 AM   
Gerco


 

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From: Zandvoort, NETHERLANDS
Status: offline 		Thanks !!!
I hope to see you around a lot on the new forum !

I am pretty happy with how its taking off, new members are registering every day and the photo album is filling up daily too.
If you have a hovercraft you gotta post some pics of it in the photo album also

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       Post #: 150

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