Rebel spring gear/wheel weight
Posted: Sat Feb 18, 2012 2:45 pm
I have silver JDM wheels. How do those compare weight-wise? They feel pretty
heavy to me.
Jesse
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heavy to me.
Jesse
From: Bob Patterson <beep@sympatico.ca>
Reply-To: <rebel-builders@dcsol.com>
To: rebel-builders@dcsol.com
Subject: Re: Rebel spring gear weight
Date: Thu, 19 Jan 2006 14:44:07 -0500
Hi John !
Matco make a silver wheel that has much better braking - only
a bit heavier..... or maybe the silver wheel brakes could be
fitted....
The Rotec engines do look good, especially on a Renegade,
BUT - they are a LOT heavier -- in the 220 - 240 lb range,
vs about 158 for a complete installed 912, with oil & coolant...
I'm with you on the Jabirus - still old air-cooled technology,
and they are also heavier than the 912, for less power...
.....bobp
-------------------------------orig.-------------------------
On Thursday 19 January 2006 12:40 pm, John Kramer wrote:I'mThanks Bob,
More excellent information I can use. I do have the gold wheels and
the Matco lady at Oshkosh has told me there are ways to improve the
brakes; though I've considered new wheels and brakes as the previous
kit owner let corrosion steal the pretty. The Rotax has jumped way
up in my considerations as the Jabiru owners at my local EAA chapter
have had to open theirs up and fix the insides too often, on low time
engines, to suit me. But just like with women, beautiful still turns
my head so I keep drooling on the Rotec pictures; they ran me off at
Oshkosh -- said I was going to make it all rusty.
John...
At 10:16 PM 01/18/06, you wrote:
Hi John !
I totally agree with your approach - as I understand the
US regs at the moment, building as EXPERIMENTAL, at the LSA
weight, gives you all the advantages of BOTH worlds - and,
as an EXPERIMENTAL, if you sell it to someone who wants to
install an O-320, they can just do that ! Can't fly with
an LSA licence, but gross can go up to 1650, no problem...
You can definitely reduce the size of the fuel tanks -
the stock Rebel has about 50 % more fuel than a C-172 !!
We flew our Rebel all over North America with 10 1/2 gal tank
capacity (and an 'auxiliary' tank in the baggage area on
trips .... ;-) ).
Most folks with 912s reduce to 2 bays per side, instead of 3,
and several have 1 bay on the left, and 2 on the right. At about
8 gallons/bay, this still gives LOTS of fuel, at about 4 - 5 gph !
And you can always use a red gas can in the baggage area for
an extra hour or so of range .... the 912 fuel pump can do this
with no problem !
Reducing the tank size saves weight, because you have a
smaller area of the thicker tank skin, as well as less fuel.
It makes no sense at all to carry 300 lb of fuel around that
you will never burn - 'way beyond bladder range !! And you
will get condensation, and fuel flow problems if you try to
run around with only a few gallons in the bottom of the
big tanks !!!!!
While the other engines are tempting, the 912 is a VERY
well proven, reliable, and low maintenance engine - there are
several now flying with over 4,000 hours without overhaul !
Ours took over 600 hours to break in !
The firewall plates help with strength and C of G -
if you are going Rotax, ask for a longer mount than the old MAM
standard - a good 4" farther forward would be really nice !
Also, you definitely can improve on the old radiator & oil cooler
setup - mount them to the engine mount, NOT the cowling !!
With the 912-ULS, go with the Rotax intake & exhaust - otherwise,
you lose over 5 hp ! (Another reason for an improved engine mount -
the old one might not accomodate the exhaust system ...)
Are the Matco wheels that you have SILVER coloured ???
If so, you are fine ! If they are GOLD, you are still ok with
a 912, but you will have VERY little braking -- not even enough
to hold the Rebel for full-power run-ups ! If you are going
with the die spring gear, you really shouls add Gord Mohr's
gear kit, with bushing inserts in the tops of the gear legs, as it
moves all the time with die springs. The gear is NOT supposed
to move with the bungees, except to prevent structural damage !
(NOT like Cubs ....) A good reason to use the fat DICO or
Carlyle tires ! :-)
......bobp
-------------------------------orig.-------------------------
On Wednesday 18 January 2006 09:18 pm, John Kramer wrote:myanddepending65c/shopdata/index.shopscriptground.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~================== SNIP ! ==================================
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