Today's Message Index:
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1. 12:12 AM - What fuel for Rotax 100hp (aerosiam)
2. 03:47 AM - Re: Re: Hydraulic Brake System Master Cylinder (Brad Kramer)
Message 1
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| Subject: | What fuel for Rotax 100hp |
There are a choice of 3 fuels here in Thailand.
'Normal' 95 octane
91 octane
95 Gasohol (ethanol) either E5 or E10
Normally I use normal 95 but many areas of Thailand no longer have it and I have
to fuel up with 91 with a higher risk of detonation.
I was advised not to use ethanol because it may not be compatible with the fiberglass
fuel tank and also because of high humidity here. I know a friend using
ethanol in his Zenair 701 without problems (but that has aluminum tanks) and
most cars here run on E10 but I have also heard horror stories about ethanol.
A friend used ethanol on his motorbike and after leaving it standing while he was
away for 2 months, the carburetor system was ruined by a hard residue deposited
everywhere.
What fuel does everyone else use for the 100 hp and is gasohol / ethanol safe in
the Allegro fuel system?
Paul
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=336791#336791
Message 2
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| Subject: | Re: Hydraulic Brake System Master Cylinder |
The Allegro manual has a bleeding procedure that is basically just quickl
y pumping the handle. My A&P didn't think it made sense, but it worked. (
at least for minor air near the top of the system) I also found it really
helpful to have a syringe with a flexible attachment end where the needl
e usually goes (don't know the name... got it from my wife who works at a
vet clinic).
I did a lot of troubleshooting before realizing my problem was the rubber
plunger tip on the cylinder. I was quickly able to get a new one from B
Bar D. So if you have soft brakes that is one thing to check.
As for B Bar D and recent news about getting back into production and par
ts, I'm happy to say that after I recently reminded them I was waiting fo
r a wing-tip light cover for almost a year, within a few days I received
one, with a note of apology for the delay and no charge. Seems like a sig
n of good things to come.
Maybe next I'll write to them and say I have been waiting for a 100 hp Ro
tax upgrade for over a year, along with wing tanks, and see if those are
free too.
Brad Kramer
N221FA
Bismarck ND
-----Original Message-----
From: aerosiam [mailto:pk@aero-siam.com]
Sent: Wednesday, April 13, 2011 01:52 AM
Subject: Allegro-List: Re: Hydraulic Brake System Master Cylinder
ts The pinhole is presumably the breather and can also be used to top up
cleanly with a hypodermic needle. I replaced the disk pads and bled the s
ystem a couple of years ago. One point is that there are TINY fluid trans
fer holes in the bottom of the piston which need to be cleaned and checke
d. From memory, the set screw protrudes exactly between the ears of the c
irclip below. If they are not lined up, the set screw will not screw down
. Recently I renewed all the seals in the whole system but the original E
vektor master cylinder didn't feel soild so I replaced it with a Matco wh
ich works great. The outlets are at 90 degrees to the original and the ve
rtical mounting post had to be elongated but otherwise it was a simple sw
op. I use silicon DOT 5 because of the humidity in Thailand (and it is sa
fe on paintwork) Paul Read this topic online here: http://forums.matronic
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