Re: [COUPERS-FLYIN] Single Fork vs Double Fork nose Gear

[Hartmut Beil]

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I think Forney came up with the double fork style gear.

There  were later style single fork gears on 415-E and 415-G models which were using double bearing wheels and the 5.00X5 tire. You still can get these from Skyport , they go on a Electrol landing gear, which was the landing gear of choice at the time.

However, I think Forney switched back to the steel landing gear and was in need of a nose fork. They did not want to go with the single bearing wheel, so they came up with their own fork - double instead of single. It is also using the double bearing wheels and is a good marketing plot.

 

The advantages of the double bearing wheels are maybe less shimmy and a cheaper tire source.

the disadvantage is that the nose goes significantly higher and snubber cables, spacers and who knows what were invented to overcome the adverse effects of this.

 

The single bearing wheel is surprisingly strong and will work as good or bad as the double one.

Shimmy problems on that is most likely a combination of worn and loose parts in the nose gear.

However, it is using the more expensive tire.

 

 

Hartmut

----- Original Message -----

From: Tommy Terry

To: flyin@ercoupers.com

Sent: Tuesday, April 06, 2004 9:43 AM

Subject: [COUPERS-FLYIN] Single Fork vs Double Fork nose Gear

----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----

If the single fork is better overall, who designed the double fork and why?

 

It never fails, the more I find out about coupes; the less I know.

 

Tommy

N93929

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