New belt results EZM

[MotorbikeMike]

Hello gang, I am happy to report to you tonight that after consulting with Goodyear, Carlisle, Kelly Springfield, and several independent belt manufacturers, we have arrived at what is the finest combination of belt and pulleys that we could have imagined.

The result of the research with the Belt Companies Service Personnel, who referred us to the engineering staff who did some great engineering studies for us, and re-enforced the decision we had made to use a particular belt both for longevity, and the gear ratio advantage that it provides.

Quenton told me tonight, in a video conference, that his test bike is performing beyond expectations. The pictures below show the speedo on the bike, and the condition of the belt, with the 1409 miles on the new belt, and the actual belt in the V.5 level of the Q-matic bicycle drive system. The latest minor change in the drive system reduces belt drive friction, and therefore allows even more of the engines power to flow back to the drive wheel.

We are pleased to see, that up close, in person, the belt with 1409 miles, looks like it just came out of the package. We are also appreciative of the skilled engineering models that were created for us by the Rubber companies.

As always, American Engineering, American manufacturing and parts where possible,

Mike Simpson

 

[Quenton Guenther]

Latest update,

Impossible to tell the current belt from a new one. After 1700 miles the belt still looks new [see attachments]. The power transfer rate is noticable. The top speed has increased slightly, the belt slippage appears to be ZERO.


I put this belt through some rough tests, the majority of the mileage was at or near full throttle. The mileage has returned over the last couple of days because of lowering the speed to 30 MPH ++. Currently hitting between 182 and 185 MPG.

Looks like the major belt companies gave us some great information regarding power transfer rates and belt durability.

Our special internal idler design is the key, and suspect others will try to copy our design in the future.


Have fun,

 

[northshorepaul]

I am now trying to decide what system to go with and was wondering if your belt arrangement will work with a jack shaft so that I can use the gearing on my bike. Also, does your system allow different size crank shafts, for example a 5/8 and a 3/4 drive. This would allow the buyer to go with the engine of his choice and not just the Honda or the Honda clones. Thanks.

 

[Quenton Guenther]

Hi northshorepaul,

The Q-matic was originally designed to work with the HS & Honda 49 CC 4-stroke motors, however it has been tested a variety of motors including, B & S 5 HP to 8HP, B & S Animal, Lifan, and last year several connected our drive to the HF 79 CC.

The connection to the motor is via a pulley. The drive pulley can be purchased with ½”, 5/8”, ¾” I.D. to fit the crankshaft.

The MaxTorque clutch has a 10 tooth #41 output sprocket and currently SBP is working on a shift kit to fit our drive systems. I would think it possible to use a jackshaft with a little effort.

The MaxTorque clutch can be modified to engage at various speeds to compensate for the motor design & RPM range.

The drive mounting plate can be drilled to fit a large variety of motors, all that is needed is enough crankshaft length to affix a pulley.

Have fun,

 

[jbcruisin]

Well my Q matic sure seems like it will definitely give long life to my belt. I see no wear so far.

 

[Bikeguy Joe]

I have a belt in a CVT that has 10,000+ miles on it, (7.5mm new) and it has very little wear, (6.8mm).

Just thought I'd drop in some real world numbers. 1000 miles isn't even break in time.

 

[Quenton Guenther]

Hi Bikeguy Joe,

I do believe you are right, 1000 miles is still part of the break-in process. We are sure the belt will last longer than the tires. We are striving to get the drive system to last a long as the little 4-stroke motor.

Have fun,

 

[MotorBicycleRacing]

Looks like the major belt companies gave us some great information regarding power transfer rates and belt durability.

Our special internal idler design is the key, and suspect others will try to copy our design in the future.

Have fun,

The best idler design is NO idler .........LOL

 

[KilroyCD]

The best idler design is NO idler .........LOL

Well, that sounds like a good thought at first blush. But as the belt possibly wears or stretches, how would you propose taking up the slack?

 

[Tad Bit Tipsy]

Hey Quenton, do you guys sell just the engine and drive? I don't need the kit.

 

[MotorBicycleRacing]

Well, that sounds like a good thought at first blush. But as the belt possibly wears or stretches, how would you propose taking up the slack?

The Q Matic gearbox is nothing new. There have been many designs
that have pre dated the Q Matic if you know any motorized bike history.

For instance take a look at one of the bikes on our recent ride.
One of msrfan's builds on our 30 mile El Dorado park ride.

Do you see an idler?

Do you see a superior design to a q matic?
Of course the answer is yes
You have a pulley driving another pulley through a V belt
then a centrifugal clutch like a Max Torque behind the rear
pulley driving another belt to the rear wheel [ could be a chain ]

msrfan made this bike and others way before EZ Motorbike ever existed.

The main difference is that there is no backing plate on this superior
design to a Q Matic. Also no idler to rob power.

PS: My buddy Chris's bike, 50 cc Honda with the # 1 production Q Matic was running
40 mph at the ride with my stainless steel flex that was longer than what Quenton
says and had a $8 Briggs lawnmower muffler on it. He was right up there with the 3 fastest 2 strokes.

It was also faster than the Felt Q Matic by Flex Man with EZ motorbike special "patina" flex and tip
How do you like that?

 

[Kline's Kustoms]

PS: My buddy Chris's bike, 50 cc Honda with the # 1 production Q Matic was running
40 mph at the ride with my stainless steel flex that was longer than what Quenton
says and had a Briggs muffler on it. He was right up there with the 3 fastest 2 strokes.

It was also faster than the Felt Q Matic by Flex Man with EZ motorbike "patina" flex and tip
How do you like that?

I can vouch for that 40mph. So can the gps on my bicycle. Even with the most crooked bike on the planet.

 

[The_Aleman]

I can vouch for that 40mph. So can the gps on my bicycle. Even with the most crooked bike on the planet.

With exhaust pipe "patina" that's burnt on, not weathered

 

[MotorBicycleRacing]

Hey Quenton, do you guys sell just the engine and drive? I don't need the kit.

Yes, you can buy just the gearbox and supply your own motor.
or a Huasheng motor and gearbox.

You don't want the EZM kit as it is the usual Chinese junk parts,
rubber rag joint and stamped 56 tooth sprocket, cheap chinese throttle, dubious
chain tensioner, peanut gas tank, badly designed muffler that is really for a 2 stroke,
the motor mount isn't too bad and they do supply a # 41 chain.
You really don't get much for your money as there are no American upgraded parts.

EZMs "special" flex pipe is not included in the kit. You gotta pay extra.

I just bought a Honda GXH 50 and Q Matic gearbox and will be selling
the Q Matic box off after doing a little "special" testing.

It has a cool expanded metal cover too, much nicer than the
big ugly Black plastic cover that EZ Motorbike supplies.

 

[Kline's Kustoms]

What's the matter with EZM pipes? They rust or something?

 

[Quenton Guenther]

Hi Tad Bit Tipsy,

Yes, however we are currently low on motor inventory, however we expect large shipments to arrive within a few weeks.

Have fun,

 

[MotorBicycleRacing]

Hi Tad Bit Tipsy,
Yes, however we are currently low on motor inventory, however we expect large shipments to arrive within a few weeks.
Have fun,

Hi Quenton
I am not sure what serial # Q Matic I bought.
Can you tell from the pic above?

What do I need to do to upgrade it to teh latest and greatest from EZM?
This is exciting as I had the very first production Q Matic too........

Last time I talked to you you told me EZM had sold well over 1000 Q Matics
and that was a long time ago
How many has EZM sold now?

 

[jbcruisin]

Hey Quenton, do you guys sell just the engine and drive? I don't need the kit.

Yes we do. We'll sell you whatever combination you want.
Jay

 

[flex man]

Hey Bio
I sure don't rember him passing me as when we started the ride I was in the back . But i ran to the front with norm and a few others .at the first stop to let people catch up when we left i was behind norm almost the whole way to the first rest stop.and nobody went flying by us I dont even rember seeing that bike any near the front of the pack ............bio I think you got your notes mixed up.............Flex...............

 

[jbcruisin]

Hey Bio
I sure don't rember him passing me as when we started the ride I was in the back . But i ran to the front with norm and a few others .at the first stop to let people catch up when we left i was behind norm almost the whole way to the first rest stop.and nobody went flying by us I don't even remember seeing that bike any near the front of the pack ............bio I think you got your notes mixed up.............Flex...............

And the plot thickens.

 

[silverbear]

I don't know if I'm hearing some real hostility or what. I'm a great admirer of msrfan's builds and have a signed copy of his little book. I have no doubt that his drive system works well and could very well predate the Qmatic. And I doubt that msrfan invented the setup either. No doubt it goes way back in some form. As a person who does not weld and does not want to attempt fabricating a drive system from scratch, trying to figure out pulley sizes, etc. I appreciate that there is a ready made transmission I can bolt onto a reliable engine with a mount available to fit the motor. In my opinion none of the kits, 2 or 4 stroke have great tanks, throttles, tensioners, etc. Some of us can build something up from scratch and the rest of us can't and may not even want to. What many of us want is something we can assemble ourselves without a great shop or tools or expenditure of time. And the bottom line is to have a setup that works like it is supposed to, knowing that the seller stands behind what we have purchased. That's good enough for me.
SB
SB