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Subject Topic: Deflector Post Reply Post New Topic
20/7/2010 at 2:14pm
 Location: Fife
 Outfit: Adria Adiva 552PH
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Hi everyone, we're contemplating getting a deflector for a long trip around europe next year.  Has anyone got any experience with these, are they worth the outlay etc.  any feedback will be very welcome.  Cheers Marian

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Mine's a Pint!


20/7/2010 at 3:18pm
 Location: Lancashire
 Outfit: Caravan now Sold
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read some test reports the other week on petrol savings with these fitted and they are a waste of time and save nothing.one fitted wrong was to increase the MPH very much.

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the only silly question is the one you do not ask.


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20/7/2010 at 3:28pm
 Location: Freckleton Nr Preston
 Outfit: Autotrail Apache 700
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only good for keeping the flies off the van windows!!!


20/7/2010 at 4:00pm
 Location: West Mids
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These aren't worth the outlay in my opinion. Any fuel saving only amounts to maybe an extra mile per gallon and then again only an advantage above 65mph (someone on here did some exhaustive testing recently to check).
The position of these is fairly critical too; do you have a wind tunnel to optimise positioning?

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Paul

Every day's a school day!


20/7/2010 at 4:11pm
 Location: Weardale
 Outfit: Flares and a flowery shirt
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For some of us old enough, this is the second outing for these. They were tried in the 60/70's...along with the periscopes! Anyone remember those?

Total waste of money.

Incidently Michael, I think you meant MPG, not MPH

 



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20/7/2010 at 4:22pm
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In theory, such a thing would work, but they would have to be a close fit to the caravan like the ones on lorries are and contoured so the outfit can turn. Given that the front of a caravan is not round, a deflector can never be made to fit close enough while still allowing the outfit to turn.

If caravan manufacturers made the front of caravans round, then possibly a deflector designed specifically for a particular car and caravan could be designed to work. Unfortunately, even if caravan manufacturers did adopt a rounded front, the number of car/caravan combinations would make it impractical and uneconomic to design a suitable deflector for even some of the most popula outfits.

Even if all these criteria were met, the results would be minimal.

In essense, don't waste your money. If you want to save some fuel, the most effective way of this is to drive economically.


20/7/2010 at 4:35pm
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. . . & keep your tyres inflated to the correct pressure!

D


20/7/2010 at 5:13pm
 Location: Lancashire
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 Michael, I think you meant MPG, not MPH

oops yes



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the only silly question is the one you do not ask.


20/7/2010 at 6:49pm
 Location: corby northants
 Outfit: swift charisma 540 Landrover Freelande
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keep your cash

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cheap holidays my arse


21/7/2010 at 9:04am
 Location: Fife
 Outfit: Adria Adiva 552PH
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Thanks a lot for the replies.  It seems we wont be bothering, we'll spend the cash on more wine instead

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Mine's a Pint!


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21/7/2010 at 9:37am
 Location: Merseyside
 Outfit: Bailey Ranger 510 4 Series 5
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Quote: Originally posted by motley on 20/7/2010

For some of us old enough, this is the second outing for these. They were tried in the 60/70's...along with the periscopes! Anyone remember those?

Total waste of money.

Incidently Michael, I think you meant MPG, not MPH


Periscopes?  Please tell more!  Was this a submarine conversion kit?



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Mark


21/7/2010 at 9:44am
 Location: Sitingbourne
 Outfit: baily champaign
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It was called a seebackcroscope & was fitted to the roof of the car above the rearview interior mirror. It enabled the driver to seeback through the caravan front & rear windows in order to see the traffic behind,but caravan interiors were much simpler then.& wing mirror extensions were not available.

I also had a "Windslammer" which was a air deflector they have to be fitted as far to the rear as possible & the gap between the roof & slammer should be as little as 2-3" the fly (dead)line on the van should be aprox 12" above the front window of the van. on a normal saloon car it was not possible to get it far enough back.In fact it was no naffing good

Post last edited on 21/07/2010 09:54:52


21/7/2010 at 9:55am
 Location: Blackburn Lancashire
 Outfit: Coachman Laser 650 and Discovery
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I remember them well.  Not sure about the name though.  Seebackroscope  was something in the Ellisons adverts along with many other strange contraptions, including glasses that enabled you to see through clothing.  Alledgedly.

I'm not saying the name wasn't also applied to the caravan periscope, I just don't remember it.

Jim



22/7/2010 at 10:09pm
 Location: East Midlands
 Outfit: Coachman VIP 575.Santa Fe
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I thought it was called a retrovisor!

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Mister G


22/7/2010 at 10:41pm
 Location: Staffs
 Outfit: Swift Challenger 490 SEL & VW Tiguan
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I use CFD software for my job fairly regularly. I've been meaning to get a side view of my car & one of these deflectors, & then model it in CAD so I can play around with positioning & see what effect it has. 

I've become sidetracked by Greendemon's talk of glasses that can see through clothing though. I cant find them in the Towsure book.

 



22/7/2010 at 11:12pm
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Quote: Originally posted by takisawa on 22/7/2010
[

I've become sidetracked by Greendemon's talk of glasses that can see through clothing though. I cant find them in the Towsure book.

 




Ahh... well here yah go then wear them at the poolside on your next caravan holiday and see through all those swim suits (if you dare)

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Caravanning is a way of getting a cheap holiday out of an expensive hobby

rune@tabbytha.com



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