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Author: Subject: Is a reverse a legal requirement?
Gear Monkey

posted on 25/4/14 at 08:21 PM Reply With Quote
Is a reverse a legal requirement?

Hi Guy's,

Weighing up the pro's and con's of ditching the MX5 idea and going down the BEC route. Are there any (potentially expensive) legal issues with bike power? Do I need a reverse?? Etc??

Thanks

Paul

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adithorp

posted on 25/4/14 at 08:28 PM Reply With Quote
I order to pass IVA you must have a reverse. For a BEC that means either an electric reverse set-up (starter motor driving a sprocket on the prop) or a reverse gearbox on the prop.

Once through IVA there's no requirement to keep it (and it wasn't required back when the test was SVA).





"A witty saying proves nothing" Voltaire

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Gear Monkey

posted on 25/4/14 at 08:38 PM Reply With Quote
Thank you! Electric option may be the way to go for cost reasons then.

Paul

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chrism

posted on 25/4/14 at 09:08 PM Reply With Quote
I'm not sure about this but doesnt the IVA have issues with people using a starter motor as an electric reverse. I seem to remember a post about it somewhere on here.





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A little hard work never killed anyone, but why take the risk!
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adithorp

posted on 25/4/14 at 09:12 PM Reply With Quote
Not as long as it works. Plenty have passed with electric reverse.

The current draw does tend to be enough to stall the engine though and many fit a BIG battery to overcome this.





"A witty saying proves nothing" Voltaire

http://jpsc.org.uk/forum/

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theprisioner

posted on 25/4/14 at 09:35 PM Reply With Quote
To comply with road going class in hill climbs and sprints you need a reverse.





http://sylvabuild.blogspot.com/

http://austin7special.blogspot.co.uk/

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chrism

posted on 25/4/14 at 10:13 PM Reply With Quote
Theres a thread here with loads of info.

http://www.locostbuilders.co.uk/viewthread.php?tid=113340





----------------------------
A little hard work never killed anyone, but why take the risk!
-----------------------------

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MikeRJ

posted on 26/4/14 at 08:22 AM Reply With Quote
quote:
Originally posted by theprisioner
To comply with road going class in hill climbs and sprints you need a reverse.


It's also rather handy in autotests

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