One little job becomes a Baker's Dozen.

[Greg Mitchell]

Looked at the weather website and decided that Wednesday and Thursday looked good for flying.Decided I would bring the Monarch home and change the brake fluid out for transmission fluid as clearly stated in the Black Max owners operators manual I downloaded from the web. I needed/wanted to adjust the fluid level so as I could bet a better purchase on the brake lever. So effectively I had one job to sort before flying again. Adjusting the brakes should give me holding power to 6000 plus eng rpm.When I got the gyro out of the van and into the daylight I gave her a thorough inspection and began to find things I felt really needed seeing to before my next time out.The list in my head got too large, so I penned a list. Thirteen items on my written list and everyone of them will be sorted before I fly later in the week.Seriously, If I had not bought the gyro home for servicing, I would like have simply bled of some fluid on the master cylinder tested the holding power, then spun up and gone......Moral of the story.......It"s never just one thing, so make a list! Mitch.

[Weedy]

I have found in the past that the rubber seals in brake systems are compatible with only one or the other, - brake fluid (mineral) or transmission (vegitable) you might find swelling should you decide to trip down the master and calipers.

[Greg Mitchell]

G"Day Weedy,I tested the brakes today after finalising my list. 4700-5000 engine rpm the brakes are creeping.Got me buggered how Larry can get 6250, must have a grip of steel.Cheers,Mitch.

[Des Garvin]

;D May be he put a cheeter bar on the lever Mitch and aint telling ya about it. Mate as we increase in years the old hand grip looses power, Think about taking some of those lids off of bottles, when we were teenagers it was no trouble and now we hand it to a teenager because we are unable to get the lid off. :-

[Mark Horan]

loosing strength as we get older? I thought we got stronger!when I was a teenager I used to wake up with something in the front of me underpants that I couldnt bend with all the strength of me two hands , Now That I am stronger, I can bend it with two fingers! ;D

[Ken Watson]

Sleeve the master cylinder down, it will give more pressure with less input. Ken

[Greg Mitchell]

G"Day Des,You"re absolutely right of course. I give jars and bottles over to Elise regularly.OK Ken, I have no clue. So I would be pleased if you could explain how I would do that.Thanks.Mitch.

[GraemeMonro]

loosing strength as we get older? I thought we got stronger!when I was a teenager I used to wake up with something in the front of me underpants that I couldnt bend with all the strength of me two hands , Now That I am stronger, I can bend it with two fingers! ;DMr Horan, your logic is spot on and I agree 100% with you. I thought that it might have been something else, but after reading your post and thinking about what you have said, and testing your theory, I have come to the same conclusion.Graeme.

[birdy]

Ken"s idea will work, but the leaver will bottom earlier.Just put an extention on the leaver you got now.Anatha tip;Arrange the leaver so"s your strongest fingers are furtherest from the hinge.IOW, opposite to the regular way like on scooters.This puts your strongest fingers furtherest from the hinge and give them more leaverage.

[Ken Watson]

If the system is free of air there is no noticeable difference Bird. We use to do it on bikes to make the lever pressure less. Its best to pump fluid back the front by using

[Greg Mitchell]

Thanks Ken, Birdy, will make some inquiries.Cheers,Mitch.

[Greg Mitchell]

G"Day Gents,FYI.....Allan and I have the 3/4" motorcycle style Master Cylinders from Hegar, which used to run the 500 lb AUW puck brakes on our respective gyros. Larry informed us we needed the 1/2" bore MC. I believe this is inline with what Ken was suggesting. Less fluid is required to operate these upgraded brakes we have and apparently when you halve the bore stroke size then you double the pressure or similar.This morning I purchased two replacement MC"s for our assy"s at $47 USD each. Thanks to all for your input.Cheers,Mitch.

[birdy]

If the system is free of air there is no noticeable difference Bird.If you change the active ratio Wotto, youll also be changen the REactive.

[Ken Watson]

pad only has to move a poofteenth to work and then it is all presssure. Volume then means diddly squat. trust me, I"ve used a lot of brakes.The other thing that can effect it is pad surface area. On the go karts we"ve got I have experimented with this and got better results when cold with a smaller surface area, but a much quicker wear rate. Its a bit of a trade off. Going down that much in size is a lot Mitch and there should be a huge difference. As I said volume only moves the pad to the disc, and pressure then gives the stopping power. Ken

[Greg Mitchell]

I"m hoping for a big difference Ken.Having to "reef" the brake on and hold it whilst spinning up, has thus far been a hugh effort and not doing the recently operated on wrist any favours. Been getting Rotor rpm in the order of 190 to 220 then the brakes have "crept".I"d like 240-270, more should be achievable.The rotor rpm to engine rpm ratio is spot on so far at each 100 engine rpm increase. Nevertheless, If I can "hold" the gyro comfortably, to get off safely from the home paddock, then all will be as it should.