All ActivityMost RecentMost LikesSolutionsRe: Need a 3500 series monster truck for a camplite 6.8? Kayteg1 wrote: I was building my dually on Ford site and don't remember the dually adding that much to the price. New dually makes 16-17 mpg empty or 12-13 with 6000lb camper, so higher fuel consumption is not an issue neither. The only bummer for me was that dually did not have lockable differential option that SRW do. Had to buy LSD. So IMHO > even if you only "think" the SRW might be marginal - get dually and don't look back. Dually are just too wide and not good offroad where I am. Rocks get caught between the tires and tear them up.Re: Can you put a short bed camper in a long bed pickup? Grit dog wrote: Jonnygsx wrote: ticki2 wrote: In the sticky Truck camper university , on the second page , scroll down to TOWING/HITCH EXTENSIONS . THERE are several good threads explaining weight distribution with hitch weight and it's effect on axles , including simple ways to calculate . Cool thanks, so like I said, not 300lbs 170" wheelbase length 60" hitch to axle distance 500 lb tongue weight 60 / 170 x 500 = 176 Yes, you understand that part. What you're not getting is the rear axle will see an additional 5' x 500lbs in your example, so 2500 ft lbs of torsional force or moment (less because the rear spring hanger is another say, 2.5' back). So actually the rear spring hangars will see about 1250lbs total. Divided by 2 springs, each spring will feel like it has an additional 600lbs pressing down on it....roughly. It's hard to explain, but again, hold 50lbs with one hand, hanging down at your side (or on your shoulder). Now hold the same 50lbs arm straight out, another 2-3' away. It's still 50 lbs, but your arm and shoulder think its heavier. your truck feels the same way! Oh well then I'll just give up since there is no truck big enough to haul a 2800lb camper plus dirtbikes. Thanks for solving my issue.Re: Need a 3500 series monster truck for a camplite 6.8? valhalla360 wrote: I the first post you were talking about a 2500 which has a lower rear axle rating. (I found 6200 online). In the first post I was literally describing how the 2500 doesn't suit my needs. Pretty much eliminated the 2500 as an option at this point. Its 3500 or nothing.Re: Need a 3500 series monster truck for a camplite 6.8? Grit dog wrote: Jonnygsx wrote: Grit dog wrote: Fair enough, but 3 bikes I’m pretty sure will require hitch racks front and back. And when I suggested a traielr I was thinking a little 8’ utility trailer that weighs almost nothing, or even better a small cargo trailer. I mean, where do you store enough fuel for 3 or more bikes for multiple days (assuming you are wanting a compact tc and no traielr to get off the beaten path.)? Either of these will be insignificant to pull compared to a toyhauler. Not sure why you jumped to 3 bikes. I said a few, 2. Gas will go in the bed of the pickup or worst case on hitch carrier. If I even need to bring gas at all. valhalla360 wrote: Keep in mind, those bikes are way behind the rear axle, so they will add far more than 600lbs to the rear axle (I'm assuming the bikes are only around 450lb as the hitch and rack will likely push 150lb). You are probably looking at the bikes adding 900lbs to the rear axle because the center of gravity for them is probably 80" behind the rear axle, so the leverage effect will transfer around 300lb from the front tires to the rear. Add in the base curb weight plus 2800 for the camper and you are probably north of 6500-6800lbs on the rear axle. Check the specs but that is probably over the axle limits. Rear axle lists at 7050lbs on the 3500. 500lbs for the two bikes, 100bs for the double hitch hauler, I don't buy the whole leverage thing. Leverage on the hitch ok, because that has a point of contact you are leveraging against. But 600lbs on the rear axle is 600lbs. There isn't leverage connected to it. Anyways, I didnt come here to discuss the bikes, I was only adding that to the list because of their weights. Sounds like a 3500 will do the trick. Now that I realize the 3500 isn't a step up from a 2500 in the same way its a step up from a 1500 to 2500 I guess its not that big a deal. Look man, few =3, couple = 2. Can't put much gas in the truck bed......if there's a camper in it, but maybe you plan on using less than a tank of gas? This is getting silly like the short bed long bed thread. Maybe just do some research because you're not liking the answers you're getting and you don't know much about moment arms. Regarding g your hitch comment and leverage, look at it this way. Hold The full gas can you won't need in your hand, arm at your side. Now hold it straight out and tell me it isn't heavier. Few means more than 1. http://www.dictionary.com/browse/few Do they even make 3 bike hitch carriers? If you have a long bed pickup and a short bed camper you might be able to throw a few 5gal back there, but like I said this is dependent on where you are riding if you even need to bring gas. And also like I said, can always strap it to the hitch carrier or hell the **** ladder could hold it. I understand the physics. Tongue weight and axle weight are not the same thing. The fulcrums are different. Anyways i'm trying to avoid being in the position where 100lbs is going to put me overload so it really doesn't matter does it? Am I not doing research by starting these threads? I thought that is what I was doing, my mistake.Re: Can you put a short bed camper in a long bed pickup? ticki2 wrote: In the sticky Truck camper university , on the second page , scroll down to TOWING/HITCH EXTENSIONS . THERE are several good threads explaining weight distribution with hitch weight and it's effect on axles , including simple ways to calculate . Cool thanks, so like I said, not 300lbs 170" wheelbase length 60" hitch to axle distance 500 lb tongue weight 60 / 170 x 500 = 176Re: Can you put a short bed camper in a long bed pickup? Grit dog wrote: ^ No it won’t be the same, unless the moment arms are the same, ie same distance from rear axle to applied point load and from rear axle to front axle. Johnny I know you don’t want to believe it, but moment = force x distance in a static equation. I didn’t make the rules of statics and dynamics so don’t shoot the messenger. Lol If you hung the dirt bikes far enough off the back of the truck, you could pop a wheelie with the truck. I literally don't know what you are arguing here. I agreed that you could shift some weight off the front axle to the rear but that it will be pretty minor.Re: Can you put a short bed camper in a long bed pickup? ticki2 wrote: Jonnygsx wrote: ticki2 wrote: Ignoring leverage doesn't make it go away , it is physics . On a seesaw you can easily lift 600# with 100# depending on Where the weights are placed Thats true. And that scenario would be much closer to how this would function. When the fulcrum is the rear wheel you are balancing the load with the whole front end and engine of the truck. So it isn't the same as a straight lever with no balance to the load. I do not agree that 600lbs on the tongue is multiplied beyond that number. 600lbs is 600lbs. Does your camper weigh more because it also extends beyond the wheel both fore and aft? Didn't think so. No it doesn't change the total weight . Any weight you put behind the rear axle will to some degree unweight the front axle , how much depends on the weight and distance behind the rear axle . So the weight on the rear axle will be the initial weight plus the weight taken off the front axle . I could believe that, You'd need to do some actual math to get a real number though. There is far greater leverage and weight forward of the rear axle than there is behind it with a hitch carrier. So I personally don't believe you'd be adding much beyond the weight of the bikes and carrier. Certainly not 300+lbs.Re: Can you put a short bed camper in a long bed pickup? jimh425 wrote: d3500ram wrote: jimh425 wrote: ... I do think you'd have to ride with the tailgate off... Not sure why the tailgate on would be an issue that would require it to be off:h I could envision it working either way as a user preference option. If you put the tailgate down, it will hit the dirtbike. ;) I'm assuming the TC door won't open with the tailgate up. Gotcha, could do a soft tailgate if you want to travel with anything stuck back there, like fuel.Re: Can you put a short bed camper in a long bed pickup? jimh425 wrote: I'm not sure why you are trying so hard to avoid a trailer, but in any case, I don't think sliding a TC forward would be a problem carrying it. I do think you'd have to ride with the tailgate off. I dirt biked a few times with friends in the Class A that I had. One problem that I didn't solve was how to deal with the dirt and extra gear required to dirtbike. For that reason, I think you'd be far better off with a Toy Hauler TT. The bikes would be protected from weather and could stay loaded which would be a big plus as far as I'm concerned. Yeah there is a good pile of gear for dirtbiking thats true. Since a camper is already so tall i'm not sure how much taller you want to make it. But that camplite mentions it has a rack on the top and a fully walkable roof. Could put a luggage carrier up there for more space. As long as it can fit under a gas station awning i suppose...Re: Can you put a short bed camper in a long bed pickup? ticki2 wrote: Ignoring leverage doesn't make it go away , it is physics . On a seesaw you can easily lift 600# with 100# depending on Where the weights are placed Thats true. And that scenario would be much closer to how this would function. When the fulcrum is the rear wheel you are balancing the load with the whole front end and engine of the truck. So it isn't the same as a straight lever with no balance to the load. I do not agree that 600lbs on the tongue is multiplied beyond that number. 600lbs is 600lbs. Does your camper weigh more because it also extends beyond the wheel both fore and aft? Didn't think so.
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