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View Poll Results: Who wants one?
Yes 1 88 88.00%
Yes more than 1 12 12.00%
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February 25th, 2010, 07:13 AM   #91
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Re: Replacement sub frame fuel tank is in the works!!!!

Originally Posted by trevr450
Thanks for the update. It sure sounds like you are burning the midnight oil on this project. I sure hopr you meet with the success you deserve.
I think, that despite the limited capacity, this will be the most popular add-on fuel tank sold. The advantages of location, weight distribution and not being intrusive or visible have the other tanks beat. For many owners, this will be just enough additional fuel for woods riding. For those that need more, they will probably get this tank in addition to the Safari tanks to eek out every last bit of capacity they can add.

I will probably go with one of these and the Safari saddle tank. At first I wasn't inclined to get the subframe tank as I thought I would go with the Safari tanks, but then I thought about it some more and decided the value of the subframe tank with its location, was of more benefit than just thinking along the lines of capacity v. cost. I don't know why Husaberg didn't just go down this road in the first place - it is so obvious.

Maybe later, if I find that I need more, then I will get the aux. front tank, but I think 5 to 5.5 gallons should be enough for most of my riding needs.

In short, I think Dale has a winner here.
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February 25th, 2010, 09:10 AM   #92
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Re: Replacement sub frame fuel tank is in the works!!!!

Dale,
Looks as though you are putting a great effort into this tank and I will be interested in one possibly. I haven't rode the 570 enough to know how the stock fuel capacity will be for our style of riding.
I would like to comment on a few things that have my concerns. I removed a bolt from one of my shrourds to install the cooling fan and the insert began to spin in the tank. I was very upset that this would happen on a new $10,000 dollar bike. I proceded to remove the bolt and somewhat saved the insert and I believe it will be fine with some delicate hands whenever removed again. I removed all of the bolts carefully and chased the threads on both the inserts and the bolts and ant-siezed all.
My point being here is the inserts that you have pictured look as if they could possibly not have enough prominant rough built onto them to be conducive to torque in a polypropylene type compound. We are designing that mud cover for circle track dirt cars and they have some inserts that are molded into them also. There are many suppliers of these type fastener inserts and allot of different ways to install. Some are installed after mold and maybe help with that possible gas leak that could occure. I'm a little niave about that department but thought I would pass on some info for thought. If you are interested I will look into the suppliers that I have ran across that supply these inserts that have more protrusion to be better for the softer plastic.
Hope I can help, Dana Young, Western Fabrication Specialties
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February 25th, 2010, 10:56 AM   #93
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Re: Replacement sub frame fuel tank is in the works!!!!

Originally Posted by HSBcrazy
Dale,
Looks as though you are putting a great effort into this tank and I will be interested in one possibly. I haven't rode the 570 enough to know how the stock fuel capacity will be for our style of riding.
I would like to comment on a few things that have my concerns. I removed a bolt from one of my shrourds to install the cooling fan and the insert began to spin in the tank. I was very upset that this would happen on a new $10,000 dollar bike. I proceded to remove the bolt and somewhat saved the insert and I believe it will be fine with some delicate hands whenever removed again. I removed all of the bolts carefully and chased the threads on both the inserts and the bolts and ant-siezed all.
My point being here is the inserts that you have pictured look as if they could possibly not have enough prominant rough built onto them to be conducive to torque in a polypropylene type compound. We are designing that mud cover for circle track dirt cars and they have some inserts that are molded into them also. There are many suppliers of these type fastener inserts and allot of different ways to install. Some are installed after mold and maybe help with that possible gas leak that could occure. I'm a little niave about that department but thought I would pass on some info for thought. If you are interested I will look into the suppliers that I have ran across that supply these inserts that have more protrusion to be better for the softer plastic.
Hope I can help, Dana Young, Western Fabrication Specialties

Hi Dana,

Thanks for your input!!!

To address one of your concerns, our tank, or sub frame is made from the same material that the original main tank is made from and that is XLPE or cross linked poly ethylene, which is much stronger than poloy propylene.

The insert that spun in your tank has happened to others as well. If I am not mistaken, it is a round insert with a slotted or knurled surface, no? On the 2009 bikes the shroud bolts that go into the tank are the large wood screw type fasteners, which work great as long as one does not overtighten them.

All of the rotational torque taking inserts in the sub frame have large flats on them which provide a much larger area for the torque forces to be spread out on. The exception here is the round inserts which do not take rotational torque, rather, they take radial and to some extent lateral torque, therefore they do not need a flat to hold them from turning, just large flanges to support those stresses for which they are designed.

The only spinning problems we had on the 2009's was the center sub frame second part 8mm bolts that go into the aluminum bar that passes through the top part of the tank. This problem was solved by just using a liberal coating of anti seize on the not only the bolt threads but on the angled surface of the bolt face.

All of our inserts, including the vent line and the fuel connection will be cast into the molded tank when it is made. We decided on this course of action for a couple of reasons, one being that these would not need to be installed or removed thereby removing any possibility of these inserts spinning in the plastic.

It is a shame that some folks are having these problems with the 2010 model shroud inserts. And you have done what needs to be done, clean up the threads and apply a liberal coating of anti seize compound and don't over tighten them.

Dale
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February 25th, 2010, 01:05 PM   #94
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Re: Replacement sub frame fuel tank is in the works!!!!

Hey Dale, So are you estimating the capacity still to be around 1.1 gallons?

Thanks,
Ron
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February 26th, 2010, 05:53 PM   #95
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Re: Replacement sub frame fuel tank is in the works!!!!

Originally Posted by Busa10
Hey Dale, So are you estimating the capacity still to be around 1.1 gallons?

Thanks,
Ron

If one stands the sub frame on it's tail and fills it up with water it holds 1.65 gallons. We have increased that area by about 3 tenths at least by using the triangular area that was hollow where the grab handles are, so in theory the total capacity could be as much as two gallons.

However, I doubt that that one could get the sub tank to fill to that level. Our goal was 1.1 gallons at least. I'm going to venture a guess here that you cannot hold me to. My best guess at this point, if you were to top the sub tank off by gravity filling it from the main tank, since the main tank cap is higher than the sub frame, is that the sub tank will hold at least 1.4 gallons-THAT'S A BIG GUESS AT THIS POINT. As I have had zero experience with that how much the stock subframe will hold when it has been converted like a few people have done.

As soon as we have the tank done, I will fill both tanks from empty and post the total fuel capacity. So we'll have to wait and see!!
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February 26th, 2010, 05:58 PM   #96
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Re: Replacement sub frame fuel tank is in the works!!!!

Another step forward today..............

As I mentioned in my last update post, the molder thought that they could supply the inserts for the sub frame tank, and in the end could not.

Well today I met with a top notch machinist, who's work can be found on a lot of off road bikes, and we reached an accord that will have him producing the inserts for our tank. I should have them in my hand in about two weeks or less. Which will be fine since the mold will not be ready by then anyway. So I feel like we had a good day at 70 Degree Racing by finding a machinist in basically one day that can produce the inserts for us!!

Dale
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February 26th, 2010, 06:49 PM   #97
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Re: Replacement sub frame fuel tank is in the works!!!!

I don't see what all the fuss over capacity is about... I was just doing a little looking at justgastanks.com, and most of the aftermarket fuel tanks for comparable late model (08 and up) dirt bikes only hold 3 to 3.5 gals at most. And, they're big and ugly! With the subframe tank, no one would ever even know you have a bigger tank. Well, at least without a real good look anyway. Point is for most of us, we will be able to go at least as far as our buddies with their big ugly 3 gallon tanks. That's good enough for me. Thanks Dale Keep up the good work, you're definitely in uncharted waters here!
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February 26th, 2010, 07:32 PM   #98
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Re: Replacement sub frame fuel tank is in the works!!!!

Well, we all want to get the most for our money, and the new Hussys are especially thirsty, so every little bit counts. It may mean the difference between walking ten miles out and then walking ten miles back in with a gas can, and riding ten miles.

Then there are the people who ride rallyes and those of use who ride deep into the back-country from time to time.
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March 5th, 2010, 09:11 AM   #99
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Re: Replacement sub frame fuel tank is in the works!!!!

Question.

I thought I saw some mention of the timeframe for shipping of tanks (if they aren't all spoken for yet). I've been doing my part in trying to get a job so I can buy one without guilt. Nothing for sure yet, but that can change quickly if an employer takes the bait. If I have to move out of state I want to take my bike down to Tasky's and have some work done, including aux. tanks, before I move everything. So I was wondering what the new projected completion date is?
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March 5th, 2010, 11:03 AM   #100
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Re: Replacement sub frame fuel tank is in the works!!!!

I'm glad you asked Code...........I was getting ready to make an update post.

I just got a call from the molder yesterday and he sent me some new pictures of the model which you can see at http://www.70degreeracing.com

The model is now in the female shop which is one step closer to the mold being made. We are hoping to have the tanks ready for shipping by the end of March. However, see my previous posts about the reason for the current delay.

The good news is that progress is being made, and the model is now at the female shop!!!!

P.S. Even better news for us is that the total number of pre orders we currently have is right at 80 tanks, so we are really pushing hard to get the tanks into production!!!!
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