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Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers [message #325991 is a reply to message #325988]

Tue, 14 November 2017 06:44

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma:

Senior Member

G'day,

Question: As the weight is increased on the rear suspension it would drop, when the ride height control system sensed it drop below
the spec it would raise it which would transfer weight back to the front end would it not?

Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808

-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of John Phillips
Sent: Tuesday, November 14, 2017 1:52 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers

Our tongue weight is an example of a third-class lever.
The front axle is the fulcrum = Af
The rear axle is the force = Ar
The ball hitch is the load, tongue = T
---Af------------------Ar-------T
The distance from (Af to T) / (Af to Ar) tongue weight = rear axle load
increase.
Rear axle load increase - tongue weight = front axle weigh decrease.
Af to Ar = wheelbase.
In the case of a trailer T is the ball center.
In the case of carrying, an object on a rack, T is the center of gravity
for the item.
For the front carrier:
Af becomes the force.
The distance from (T to Ar) / (Af to Ar) tongue weight = front axle load
increase.

I hope that helps to show how much moving the rack back a foot changes the
loading.

*John Phillips*

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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[Message index]

		Hitch mounted Motorcycle - Scooter carriers By: GMC Jimmy on Sun, 12 November 2017 08:00
		Re: Hitch mounted Motorcycle - Scooter carriers By: Wackster on Sun, 12 November 2017 08:19
		Re: Hitch mounted Motorcycle - Scooter carriers By: GMC Jimmy on Sun, 12 November 2017 19:25
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: powerjon on Sun, 12 November 2017 08:23
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: GMC Jimmy on Sun, 12 November 2017 19:32
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: johnd01 on Sun, 12 November 2017 23:15
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ronald Pottol on Mon, 13 November 2017 03:00
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ronald Pottol on Mon, 13 November 2017 03:10
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: jimk on Mon, 13 November 2017 18:42
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: emerystora on Mon, 13 November 2017 18:53
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: jimk on Mon, 13 November 2017 18:58
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ronald Pottol on Tue, 14 November 2017 03:29
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: <rallymaster on Mon, 13 November 2017 12:55
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: johnd01 on Tue, 14 November 2017 12:47
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Matt Colie on Tue, 14 November 2017 13:50
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Keith V on Tue, 14 November 2017 14:00
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: jimk on Tue, 14 November 2017 14:28
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ken Henderson on Tue, 14 November 2017 20:50
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Bullitthead on Tue, 14 November 2017 21:40
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ken Henderson on Wed, 15 November 2017 08:53
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Kosier on Wed, 15 November 2017 09:45
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ken Henderson on Wed, 15 November 2017 11:32
		Re: Hitch mounted Motorcycle - Scooter carriers By: Ken Burton on Mon, 13 November 2017 05:48
		Re: Hitch mounted Motorcycle - Scooter carriers By: Justin Brady on Mon, 13 November 2017 05:52
		Re: Hitch mounted Motorcycle - Scooter carriers By: Ken Burton on Mon, 13 November 2017 06:48
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: johnd01 on Mon, 13 November 2017 06:52
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ronald Pottol on Mon, 13 November 2017 07:11
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ken Burton on Mon, 13 November 2017 08:23
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: k2gkk on Mon, 13 November 2017 09:17
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ken Henderson on Mon, 13 November 2017 18:42
		Re: Hitch mounted Motorcycle - Scooter carriers By: Michael Leipold on Mon, 13 November 2017 10:09
		Re: Hitch mounted Motorcycle - Scooter carriers By: Dutch Marc on Mon, 13 November 2017 12:45
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Rob on Tue, 14 November 2017 14:54
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Justin Brady on Tue, 14 November 2017 16:01
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Rob on Tue, 14 November 2017 19:00
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: johnd01 on Tue, 14 November 2017 19:07
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: GMC Jimmy on Wed, 15 November 2017 07:03
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Rob on Thu, 01 February 2018 11:45
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: GMC Jimmy on Thu, 01 February 2018 12:47
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Rob on Thu, 01 February 2018 13:36
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Gary Worobec on Mon, 13 November 2017 13:06
		Re: Hitch mounted Motorcycle - Scooter carriers By: GMC Jimmy on Mon, 13 November 2017 21:23
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: johnd01 on Tue, 14 November 2017 01:52
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: USAussie on Tue, 14 November 2017 06:44
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Richard Denney on Tue, 14 November 2017 07:37
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: USAussie on Tue, 14 November 2017 08:45
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: johnd01 on Tue, 14 November 2017 09:53
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Keith V on Tue, 14 November 2017 11:00
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: johnd01 on Tue, 14 November 2017 12:38
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ken Henderson on Tue, 14 November 2017 20:44
		Re: [GMCnet] Hitch mounted Motorcycle - Scooter carriers By: Ken Burton on Tue, 14 November 2017 21:35

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